<SEC-DOCUMENT>0001193125-20-183424.txt : 20200630
<SEC-HEADER>0001193125-20-183424.hdr.sgml : 20200630
<ACCEPTANCE-DATETIME>20200630090135
ACCESSION NUMBER:		0001193125-20-183424
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20200630
ITEM INFORMATION:		Regulation FD Disclosure
FILED AS OF DATE:		20200630
DATE AS OF CHANGE:		20200630

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Aon plc
		CENTRAL INDEX KEY:			0000315293
		STANDARD INDUSTRIAL CLASSIFICATION:	INSURANCE AGENTS BROKERS & SERVICES [6411]
		IRS NUMBER:				363051915
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-07933
		FILM NUMBER:		201000574

	BUSINESS ADDRESS:	
		STREET 1:		THE LEADENHALL BUILDING
		STREET 2:		122 LEADENHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V 4AN
		BUSINESS PHONE:		(44) 20 7623 5500

	MAIL ADDRESS:	
		STREET 1:		THE LEADENHALL BUILDING
		STREET 2:		122 LEADENHALL STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC3V 4AN

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AON CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	COMBINED INTERNATIONAL CORP
		DATE OF NAME CHANGE:	19870504
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d925799d8k.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version="1.0" encoding="utf-8" ?>
<html xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31" xmlns:us-types="http://fasb.org/us-types/2019-01-31" xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:aon="http://www.aon.com/20200630" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:utr="http://www.xbrl.org/2009/utr" xmlns:iso4217="http://www.xbrl.org/2003/iso4217" xmlns:ix="http://www.xbrl.org/2013/inlineXBRL" xmlns:ixt="http://www.xbrl.org/inlineXBRL/transformation/2015-02-26" xmlns:ixt-sec="http://www.sec.gov/inlineXBRL/transformation/2015-08-31" xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>8-K</title>
<meta http-equiv="Content-Type" content="text/html" />
</head>
   <body>
 <div style="display:none"> <ix:header> <ix:hidden> <ix:nonNumeric name="dei:AmendmentFlag" contextRef="duration_2020-06-30_to_2020-06-30">false</ix:nonNumeric> <ix:nonNumeric id="Hidden_dei_EntityCentralIndexKey" name="dei:EntityCentralIndexKey" contextRef="duration_2020-06-30_to_2020-06-30">0000315293</ix:nonNumeric> </ix:hidden> <ix:references> <link:schemaRef xlink:type="simple" xlink:href="aon-20200630.xsd" xlink:arcrole="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase"></link:schemaRef> </ix:references> <ix:resources> <xbrli:context id="duration_2020-06-30_to_2020-06-30"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CapitalUnitClassAMember</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> <xbrli:context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0000315293</xbrli:identifier> <xbrli:segment> <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member</xbrldi:explicitMember> </xbrli:segment> </xbrli:entity> <xbrli:period> <xbrli:startDate>2020-06-30</xbrli:startDate> <xbrli:endDate>2020-06-30</xbrli:endDate> </xbrli:period> </xbrli:context> </ix:resources> </ix:header> </div> <div style="font-size:10pt;width:8.5in;margin:0 auto"> <div style="text-align:center"> <p style="line-height:0.5pt;border-bottom:0.50px solid #000000;width:100%;margin-top:0pt;margin-bottom:0pt">&#160;</p></div> <div style="text-align:center"> <p style="line-height:3pt;border-bottom:0.50px solid #000000;width:100%;margin-top:0pt;margin-bottom:2pt">&#160;</p></div> <p style="margin-bottom:0px;margin-top:4pt"></p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:18pt;margin-bottom:0pt;margin-top:0pt">UNITED STATES</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:18pt;margin-bottom:0pt;margin-top:0pt">SECURITIES AND EXCHANGE COMMISSION</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:12pt;margin-bottom:0pt;margin-top:0pt">Washington, D.C. 20549</p> <div style="text-align:center"> <p style="line-height:6pt;margin-left:auto;border-bottom:1px solid #000000;width:21.05%;margin-right:auto;margin-top:12pt;margin-bottom:0px">&#160;</p></div> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:18pt;margin-bottom:0px;margin-top:12pt">FORM <span style="white-space:nowrap"><ix:nonNumeric name="dei:DocumentType" contextRef="duration_2020-06-30_to_2020-06-30">8-K</ix:nonNumeric> </span></p> <div style="text-align:center"> <p style="line-height:6pt;margin-left:auto;border-bottom:1px solid #000000;width:21.05%;margin-right:auto;margin-top:12pt;margin-bottom:0px">&#160;</p></div> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:12pt;margin-bottom:0px;margin-top:12pt">CURRENT REPORT</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:12pt;margin-bottom:0pt;margin-top:0pt">Pursuant to Section&#160;13 or 15(d)</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:12pt;margin-bottom:0pt;margin-top:0pt">of the Securities Exchange Act of 1934</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:12pt;margin-bottom:0px;margin-top:12pt">Date of Report (Date of earliest event reported): <ix:nonNumeric name="dei:DocumentPeriodEndDate" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt:datemonthdayyearen">June&#160;30, 2020</ix:nonNumeric></p> <div style="text-align:center"> <p style="line-height:6pt;margin-left:auto;border-bottom:1px solid #000000;width:21.05%;margin-right:auto;margin-top:12pt;margin-bottom:0px">&#160;</p></div> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:24pt;margin-bottom:0px;margin-top:12pt"><ix:nonNumeric name="dei:EntityRegistrantName" contextRef="duration_2020-06-30_to_2020-06-30">Aon plc</ix:nonNumeric></p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt">(Exact name of registrant as specified in its charter)</p> <div style="text-align:center"> <p style="line-height:6pt;margin-left:auto;border-bottom:1px solid #000000;width:21.05%;margin-right:auto;margin-top:12pt;margin-bottom:0px">&#160;</p></div>
<table cellspacing="0" cellpadding="0" border="0" style="font-size:8pt;border-collapse:separate;border-spacing:0;width:100%;margin-bottom:0px;margin-top:12pt;margin-left:auto;margin-right:auto">
<tr>
<td style="width:34%;"></td>
<td></td>
<td style="width:33%;"></td>
<td style="width:1%;"></td>
<td style="width:33%;"></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:EntityIncorporationStateCountryCode" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:edgarprovcountryen">Ireland</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"> <span style="white-space:nowrap"><ix:nonNumeric name="dei:EntityFileNumber" contextRef="duration_2020-06-30_to_2020-06-30">1-7933</ix:nonNumeric> </span></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"> <span style="white-space:nowrap"><ix:nonNumeric name="dei:EntityTaxIdentificationNumber" contextRef="duration_2020-06-30_to_2020-06-30">98-1539969</ix:nonNumeric> </span></p></td></tr>
<tr style="page-break-inside:avoid;font-size:8pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">(State or other jurisdiction of<br />incorporation)</p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">(Commission<br />File Number)</p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">(IRS Employer</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">Identification No.)</p></td></tr></table>
<table cellspacing="0" cellpadding="0" border="0" style="font-size:10pt;border-collapse:separate;border-spacing:0;width:100%;margin-bottom:0px;margin-top:12pt;margin-left:auto;margin-right:auto">
<tr>
<td style="width:50%;"></td>
<td style="width:1%;"></td>
<td style="width:49%;"></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:EntityAddressAddressLine1" contextRef="duration_2020-06-30_to_2020-06-30">Metropolitan Building</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressAddressLine2" contextRef="duration_2020-06-30_to_2020-06-30">James Joyce Street</ix:nonNumeric></p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:EntityAddressCityOrTown" contextRef="duration_2020-06-30_to_2020-06-30">Dublin 1</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressCountry" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:countrynameen">Ireland</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:bottom;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:EntityAddressPostalZipCode" contextRef="duration_2020-06-30_to_2020-06-30">D01 K0Y85</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:8pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">(Address of principal executive offices)</p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">(Zip Code)</p></td></tr></table> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0px;margin-top:12pt">Registrant &#8217;s telephone number, including area code: +<ix:nonNumeric name="dei:CityAreaCode" contextRef="duration_2020-06-30_to_2020-06-30">353 1</ix:nonNumeric> <ix:nonNumeric name="dei:LocalPhoneNumber" contextRef="duration_2020-06-30_to_2020-06-30">266 6000</ix:nonNumeric></p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0px;margin-top:12pt">Former name or former address, if changed since last report: Not Applicable</p> <div style="text-align:center"> <p style="line-height:6pt;margin-left:auto;border-bottom:1px solid #000000;width:21.05%;margin-right:auto;margin-top:12pt;margin-bottom:0px">&#160;</p></div> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0px;margin-top:12pt">Check the appropriate box below if the Form <span style="white-space:nowrap">8-K</span> filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2 below):</p> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;vertical-align:top;white-space:nowrap;"> <span style="font-family:Times New Roman;font-weight:normal"><ix:nonNumeric name="dei:WrittenCommunications" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span>&#32;</td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</td></tr></table> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;vertical-align:top;white-space:nowrap;"> <span style="font-family:Times New Roman;font-weight:normal"><ix:nonNumeric name="dei:SolicitingMaterial" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span>&#32;</td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">Soliciting material pursuant to Rule <span style="white-space:nowrap">14a-12</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14a-12) </span></td></tr></table> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;vertical-align:top;white-space:nowrap;"> <span style="font-family:Times New Roman;font-weight:normal"><ix:nonNumeric name="dei:PreCommencementTenderOffer" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span>&#32;</td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;"> <span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">14d-2(b)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.14d-2(b)) </span></td></tr></table> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;vertical-align:top;white-space:nowrap;"> <span style="font-family:Times New Roman;font-weight:normal"><ix:nonNumeric name="dei:PreCommencementIssuerTenderOffer" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span>&#32;</td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;"> <span style="white-space:nowrap">Pre-commencement</span> communications pursuant to Rule <span style="white-space:nowrap">13e-4(c)</span> under the Exchange Act (17 CFR <span style="white-space:nowrap">240.13e-4(c)) </span></td></tr></table> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0px;margin-top:12pt">Securities registered pursuant to Section&#160;12(b) of the Act:</p>
<table cellspacing="0" cellpadding="0" border="0" style="font-size:10pt;border-collapse:separate;border-spacing:0;width:100%;margin-bottom:0px;margin-top:12pt;margin-left:auto;margin-right:auto">
<tr>
<td style="width:34%;"></td>
<td></td>
<td style="width:33%;"></td>
<td style="width:1%;"></td>
<td style="width:33%;"></td></tr>
<tr style="page-break-inside:avoid;font-size:8pt;">
<td style="border-bottom:1pt solid #000000;white-space:nowrap;vertical-align:bottom;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">Title of each class</p></td>
<td style="vertical-align:bottom;">&#160;</td>
<td style="border-bottom:1pt solid #000000;vertical-align:bottom;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">Trading</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">Symbol(s)</p></td>
<td style="vertical-align:bottom;">&#160;</td>
<td style="border-bottom:1pt solid #000000;vertical-align:bottom;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">Name of each exchange</p> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:8pt;margin-bottom:0pt;margin-top:0pt">on which registered</p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">Class&#160;A Ordinary Shares, $0.01 nominal value</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">AON</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">Guarantees of Aon plc&#8217;s 2.800% Senior Notes due 2021</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">AON21</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">Guarantees of Aon plc&#8217;s 4.000% Senior Notes due 2023</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">AON23</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">Guarantees of Aon plc&#8217;s 3.500% Senior Notes due 2024</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">AON24</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">Guarantees of Aon plc&#8217;s 3.875% Senior Notes due 2025</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">AON25</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">Guarantees of Aon plc&#8217;s 2.875% Senior Notes due 2026</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">AON26</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">Guarantees of Aon plc&#8217;s 4.250% Senior Notes due 2042</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">AON42</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">Guarantees of Aon plc&#8217;s 4.450% Senior Notes due 2043</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">AON43</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">Guarantees of Aon plc&#8217;s 4.600% Senior Notes due 2044</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">AON44</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">Guarantees of Aon plc&#8217;s 4.750% Senior Notes due 2045</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">AON45</ix:nonNumeric></p></td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" format="ixt-sec:exchnameen">New York Stock Exchange</ix:nonNumeric></p></td></tr></table> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0px;margin-top:12pt">Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (&#167;230.405 of this chapter) or Rule <span style="white-space:nowrap">12b-2</span> of the Securities Exchange Act of 1934 (&#167;<span style="white-space:nowrap">240.12b-2</span> of this chapter).</p> <p style="font-family:Times New Roman;text-align:right;font-size:10pt;margin-bottom:0px;margin-top:12pt">Emerging growth company&#160;&#160;<span style="font-family:Times New Roman;font-weight:normal"><ix:nonNumeric name="dei:EntityEmergingGrowthCompany" contextRef="duration_2020-06-30_to_2020-06-30" format="ixt-sec:boolballotbox">&#9744;</ix:nonNumeric></span></p> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0px;margin-top:12pt">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&#160;13(a) of the Exchange Act.&#160;&#160;<span style="font-family:Times New Roman;font-weight:normal">&#9744;</span></p> <p style="margin-bottom:0px;margin-top:10pt"></p> <div style="text-align:center"> <p style="line-height:0.5pt;border-bottom:0.50px solid #000000;width:100%;margin-top:0pt;margin-bottom:0pt">&#160;</p></div> <div style="text-align:center"> <p style="line-height:3pt;border-bottom:0.50px solid #000000;width:100%;margin-top:0pt;margin-bottom:2pt">&#160;</p></div> <div></div> <p style="margin-top:1em;margin-bottom:0em"></p></div>

<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<hr style="color:#999999;height:3px;width:100%" />

 <div style="font-size:10pt;width:8.5in;margin:0 auto">
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;font-weight:bold;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:10%;vertical-align:top;white-space:nowrap;">Item&#160;7.01. </td>
<td style="font-family:Times New Roman;font-weight:bold;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">Regulation FD Disclosure</td> </tr> </table> <p style="font-family:Times New Roman;text-align:left;text-indent:8%;font-size:10pt;margin-bottom:0px;margin-top:6pt">Aon plc (the &#8220;Company&#8221;) has decided to end the previously announced temporary salary reductions of up to 20%, effective July&#160;1, and to repay colleagues in full, plus 5% of the withheld amount. The Company remains committed to the pledge that no colleague will lose their job due to the <span style="white-space:nowrap">COVID-19</span> outbreak. </p> <p style="font-family:Times New Roman;text-align:left;text-indent:8%;font-size:10pt;margin-bottom:0px;margin-top:12pt">Based on observations and analysis over the last four months, the Company is now confident that temporary salary reductions are no longer necessary to meet this commitment to 50,000 colleagues. This decision is unrelated to any near-term change in the Company&#8217;s financial performance or expectations and is instead supported by three reasons: </p> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;text-align:left;">&#160;</td>
<td style="width:4%;vertical-align:top;">1. </td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">While global GDP and unemployment trends remain negative, and materially worse than in many other downturns, the Company&#8217;s expected likelihood of worst-case macroeconomic scenarios has decreased significantly.</td> </tr> </table> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;text-align:left;">&#160;</td>
<td style="width:4%;vertical-align:top;">2. </td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">The resilience of the core business has been demonstrated, though there has been impact, particularly in the more discretionary portions of the business, as was expected and communicated in the first quarter earnings call.</td> </tr> </table> <p style="margin-bottom:0px;margin-top:6pt"></p>
<table cellspacing="0" cellpadding="0" border="0" style="font-family:Times New Roman;border-collapse:collapse;text-align:left;width:100%;font-size:10pt;margin-bottom:0pt;margin-top:0pt;border:0;">
<tr style="page-break-inside:avoid;">
<td style="width:4%;text-align:left;">&#160;</td>
<td style="width:4%;vertical-align:top;">3. </td>
<td style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt;">Though the organization has been tested by the volatility of the last four months, the strength of the Aon United strategy has proven as effective in this challenge as it has been during more positive times.</td> </tr> </table> <p style="font-family:Times New Roman;text-align:left;text-indent:8%;font-size:10pt;margin-bottom:0px;margin-top:12pt">The Company believes the overall macroeconomic uncertainty and downside are somewhat less significant than anticipated, and therefore is ending this aspect of its operational flexibility plan. Other components of the plan, including expense discipline, pause in share buyback and new merger and acquisition activity, temporary salary reductions of 50% for our named executive officers, and 50% reduction in cash compensation for the Board of Directors, will remain in place at this time. </p> <p style="font-family:Times New Roman;text-align:left;text-indent:8%;font-size:10pt;margin-bottom:0px;margin-top:12pt">The Company expects to accrue the expense for salary repayments in the second quarter and make repayments to employees in the third quarter. </p> <div></div> <p style="margin-top:1em;margin-bottom:0em"></p>
 </div>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<hr style="color:#999999;height:3px;width:100%" />

 <div style="font-size:10pt;width:8.5in;margin:0 auto"> <p style="font-family:Times New Roman;font-weight:bold;text-align:center;font-size:10pt;margin-bottom:0pt;margin-top:0pt">SIGNATURES </p> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0px;margin-top:12pt">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. </p>
<table cellspacing="0" cellpadding="0" border="0" style="font-size:10pt;border-collapse:separate;border-spacing:0;width:100%;margin-bottom:0px;margin-top:12pt;margin-left:0px;margin-right:auto">
<tr>
<td style="width:46%;"></td>
<td style="width:1%;"></td>
<td style="width:4%;"></td>
<td></td>
<td style="width:2%;"></td>
<td style="width:1%;"></td>
<td style="width:45%;"></td> </tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt">Date: June&#160;30, 2020 </p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td colspan="3" style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;font-weight:bold;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt">AON PLC </p> </td> </tr>
<tr style="font-size:1pt;">
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td>
<td style="height:16px;">&#160;</td> </tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt">By: </p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;margin-bottom:1pt;font-size:10pt;margin-top:0pt;border-bottom:1px solid #000000">/s/ Molly Johnson </p> </td> </tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt">Molly Johnson </p> </td> </tr>
<tr style="page-break-inside:avoid;font-size:10pt;">
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"></p> </td>
<td style="vertical-align:top;">&#160;</td>
<td style="vertical-align:top;padding:0;"> <p style="font-family:Times New Roman;text-align:left;font-size:10pt;margin-bottom:0pt;margin-top:0pt"> <span style="font-style:Italic">Assistant Company Secretary</span> </p> </td> </tr> </table> <div></div> <p style="margin-top:1em;margin-bottom:0em"></p>
 </div>
 </body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>2
<FILENAME>aon-20200630.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2020-4 Build:20200505.2 -->
<!-- Creation date: 6/30/2020 12:00:33 PM Eastern Time -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<xsd:schema
  xmlns:nonnum="http://www.xbrl.org/dtr/type/non-numeric"
  xmlns:num="http://www.xbrl.org/dtr/type/numeric"
  xmlns:us-types="http://fasb.org/us-types/2019-01-31"
  xmlns:aon="http://www.aon.com/20200630"
  xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31"
  xmlns:xbrli="http://www.xbrl.org/2003/instance"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
  xmlns:sic="http://xbrl.sec.gov/sic/2011-01-31"
  xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31"
  attributeFormDefault="unqualified"
  elementFormDefault="qualified"
  targetNamespace="http://www.aon.com/20200630"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema">
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
    <xsd:import schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/linkbase" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd" namespace="http://xbrl.sec.gov/dei/2019-01-31" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/numeric" />
    <xsd:import schemaLocation="http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd" namespace="http://www.xbrl.org/dtr/type/non-numeric" />
    <xsd:import schemaLocation="http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd" namespace="http://xbrl.sec.gov/sic/2011-01-31" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd" namespace="http://xbrl.sec.gov/naics/2017-01-31" />
    <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
    <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd" namespace="http://fasb.org/us-gaap/2019-01-31" />
    <xsd:import schemaLocation="http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd" namespace="http://fasb.org/us-types/2019-01-31" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="aon-20200630_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:title="Label Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="aon-20200630_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="aon-20200630_def.xml" xlink:role="http://www.xbrl.org/2003/role/definitionLinkbaseRef" xlink:title="Definition Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation" id="Role_DocumentDocumentAndEntityInformation">
        <link:definition>100000 - Document - Document and Entity Information</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
      </link:roleType>
    </xsd:appinfo>
  </xsd:annotation>
  <xsd:element id="aon_DocumentAndEntityInformationTable" name="DocumentAndEntityInformationTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_DocumentAndEntityInformationLineItems" name="DocumentAndEntityInformationLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" name="GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" name="GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" name="GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" name="GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" name="GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" name="GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" name="GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" name="GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
  <xsd:element id="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" name="GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" type="nonnum:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true" />
</xsd:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.DEF
<SEQUENCE>3
<FILENAME>aon-20200630_def.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2020-4 Build:20200505.2 -->
<!-- Creation date: 6/30/2020 12:00:37 PM Eastern Time -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<linkbase xmlns="http://www.xbrl.org/2003/linkbase" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all" arcroleURI="http://xbrl.org/int/dim/arcrole/all" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain" arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member" arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" />
  <arcroleRef xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension" arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" />
  <link:roleRef roleURI="http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="aon-20200630.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:definitionLink xlink:type="extended" xlink:role="http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationTable" />
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationLineItems" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain_2" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalUnitClassAMember" xlink:type="locator" xlink:label="us-gaap_CapitalUnitClassAMember" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCountry" xlink:type="locator" xlink:label="dei_EntityAddressCountry" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="aon_DocumentAndEntityInformationTable" order="1" priority="2" use="optional" xbrldt:contextElement="segment" xbrldt:closed="true" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="aon_DocumentAndEntityInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="1" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="23" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain_2" order="23.0001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_CapitalUnitClassAMember" order="24" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" order="25" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" order="26" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" order="27" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" order="28" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" order="29" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" order="30" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" order="31" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" order="32" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" order="33" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_AmendmentFlag" order="35.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="36.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentType" order="40.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="41.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityRegistrantName" order="42.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="43.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityFileNumber" order="44.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" order="45.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="46.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" order="47.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="48.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCountry" order="49.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="50.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_CityAreaCode" order="51.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="52.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_WrittenCommunications" order="53.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_SolicitingMaterial" order="54.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" order="55.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" order="56.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_Security12bTitle" order="57.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_TradingSymbol" order="58.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_SecurityExchangeName" order="59.001" priority="2" use="optional" />
    <definitionArc xlink:type="arc" xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="60.001" priority="2" use="optional" />
  </link:definitionLink>
</linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>aon-20200630_lab.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2020-4 Build:20200505.2 -->
<!-- Creation date: 6/30/2020 12:00:33 PM Eastern Time -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:labelLink xlink:role="http://www.xbrl.org/2003/role/link" xlink:type="extended">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CoverAbstract" xlink:to="dei_CoverAbstract_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CoverAbstract_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cover [Abstract]</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_AmendmentFlag" xlink:to="dei_AmendmentFlag_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_AmendmentFlag_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityCentralIndexKey" xlink:to="dei_EntityCentralIndexKey_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentType" xlink:to="dei_DocumentType_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentType_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentPeriodEndDate" xlink:to="dei_DocumentPeriodEndDate_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityRegistrantName" xlink:to="dei_EntityRegistrantName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityRegistrantName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityIncorporationStateCountryCode" xlink:to="dei_EntityIncorporationStateCountryCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation State Country Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation State Country Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFileNumber" xlink:to="dei_EntityFileNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity File Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityFileNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityTaxIdentificationNumber" xlink:to="dei_EntityTaxIdentificationNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Tax Identification Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine1" xlink:to="dei_EntityAddressAddressLine1_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line Two</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressAddressLine2_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line Two</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCityOrTown" xlink:to="dei_EntityAddressCityOrTown_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCountry" xlink:type="locator" xlink:label="dei_EntityAddressCountry" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressCountry" xlink:to="dei_EntityAddressCountry_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCountry_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Country</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressCountry_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Country</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressPostalZipCode" xlink:to="dei_EntityAddressPostalZipCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_CityAreaCode" xlink:to="dei_CityAreaCode_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_CityAreaCode_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_LocalPhoneNumber" xlink:to="dei_LocalPhoneNumber_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_LocalPhoneNumber_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_WrittenCommunications" xlink:to="dei_WrittenCommunications_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Written Communications</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_WrittenCommunications_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Written Communications</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SolicitingMaterial" xlink:to="dei_SolicitingMaterial_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Soliciting Material</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SolicitingMaterial_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Soliciting Material</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementTenderOffer" xlink:to="dei_PreCommencementTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_PreCommencementIssuerTenderOffer" xlink:to="dei_PreCommencementIssuerTenderOffer_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Pre Commencement Issuer Tender Offer</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_PreCommencementIssuerTenderOffer_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Pre Commencement Issuer Tender Offer</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_Security12bTitle" xlink:to="dei_Security12bTitle_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security 12b Title</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_Security12bTitle_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security 12b Title</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_TradingSymbol" xlink:to="dei_TradingSymbol_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_TradingSymbol_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_SecurityExchangeName" xlink:to="dei_SecurityExchangeName_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_SecurityExchangeName_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Emerging Growth Company</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Emerging Growth Company</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationTable" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_DocumentAndEntityInformationTable" xlink:to="aon_DocumentAndEntityInformationTable_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_DocumentAndEntityInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Table]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_DocumentAndEntityInformationTable_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document And Entity Information [Table]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationLineItems" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="aon_DocumentAndEntityInformationLineItems_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_DocumentAndEntityInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Document And Entity Information [Line Items]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_DocumentAndEntityInformationLineItems_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document And Entity Information [Line Items]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_StatementClassOfStockAxis_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_ClassOfStockDomain_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Domain]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_ClassOfStockDomain_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalUnitClassAMember" xlink:type="locator" xlink:label="us-gaap_CapitalUnitClassAMember" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CapitalUnitClassAMember" xlink:to="us-gaap_CapitalUnitClassAMember_lbl" />
    <link:label xml:lang="en-US" xlink:label="us-gaap_CapitalUnitClassAMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Capital Unit, Class A [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="us-gaap_CapitalUnitClassAMember_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Capital Unit, Class A [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" xlink:to="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 2.800 Percent Senior Notes Due 2021 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 2.800 Percent Senior Notes Due 2021 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" xlink:to="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 4.000 Percent Senior Notes Due 2023 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 4.000 Percent Senior Notes Due 2023 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" xlink:to="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 3.500 Percent Senior Notes Due 2024 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 3.500 Percent Senior Notes Due 2024 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" xlink:to="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 3.875 Percent Senior Notes Due 2025 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 3.875 Percent Senior Notes Due 2025 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" xlink:to="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 2.875 Percent Senior Notes Due 2026 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 2.875 Percent Senior Notes Due 2026 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" xlink:to="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 4.250 Percent Senior Notes Due 2042 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 4.250 Percent Senior Notes Due 2042 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" xlink:to="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 4.450 Percent Senior Notes Due 2043 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 4.450 Percent Senior Notes Due 2043 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" xlink:to="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 4.600 Percent Senior Notes Due 2044 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 4.600 Percent Senior Notes Due 2044 [Member]</link:label>
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" xlink:to="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member_lbl" />
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Guarantees Of Aon Plcs 4.750 Percent Senior Notes Due 2045 [Member]</link:label>
    <link:label xml:lang="en-US" xlink:label="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Guarantees Of Aon Plcs 4.750 Percent Senior Notes Due 2045 [Member]</link:label>
  </link:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>aon-20200630_pre.xml
<DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii" standalone="yes"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2020-4 Build:20200505.2 -->
<!-- Creation date: 6/30/2020 12:00:35 PM Eastern Time -->
<!-- Copyright (c) 2020 Donnelley Financial Solutions, Inc. All Rights Reserved. -->
<link:linkbase
    xmlns:link="http://www.xbrl.org/2003/linkbase"
    xmlns:xlink="http://www.w3.org/1999/xlink"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:xbrldt="http://xbrl.org/2005/xbrldt"
    xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="aon-20200630.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:presentationLink xlink:type="extended" xlink:role="http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationTable" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationTable" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="aon_DocumentAndEntityInformationTable" order="21" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_DocumentAndEntityInformationLineItems" xlink:type="locator" xlink:label="aon_DocumentAndEntityInformationLineItems" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationTable" xlink:to="aon_DocumentAndEntityInformationLineItems" order="22" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis" xlink:type="locator" xlink:label="us-gaap_StatementClassOfStockAxis" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationTable" xlink:to="us-gaap_StatementClassOfStockAxis" order="1" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain" xlink:type="locator" xlink:label="us-gaap_ClassOfStockDomain" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_StatementClassOfStockAxis" xlink:to="us-gaap_ClassOfStockDomain" order="23" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalUnitClassAMember" xlink:type="locator" xlink:label="us-gaap_CapitalUnitClassAMember" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="us-gaap_CapitalUnitClassAMember" order="24" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member" order="25" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member" order="26" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member" order="27" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member" order="28" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member" order="29" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member" order="30" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member" order="31" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member" order="32" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="aon-20200630.xsd#aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" xlink:type="locator" xlink:label="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="us-gaap_ClassOfStockDomain" xlink:to="aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member" order="33" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag" xlink:type="locator" xlink:label="dei_AmendmentFlag" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_AmendmentFlag" order="35.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey" xlink:type="locator" xlink:label="dei_EntityCentralIndexKey" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityCentralIndexKey" order="36.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType" xlink:type="locator" xlink:label="dei_DocumentType" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentType" order="40.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate" xlink:type="locator" xlink:label="dei_DocumentPeriodEndDate" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_DocumentPeriodEndDate" order="41.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName" xlink:type="locator" xlink:label="dei_EntityRegistrantName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityRegistrantName" order="42.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode" xlink:type="locator" xlink:label="dei_EntityIncorporationStateCountryCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityIncorporationStateCountryCode" order="43.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber" xlink:type="locator" xlink:label="dei_EntityFileNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityFileNumber" order="44.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber" xlink:type="locator" xlink:label="dei_EntityTaxIdentificationNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityTaxIdentificationNumber" order="45.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine1" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine1" order="46.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine2" xlink:type="locator" xlink:label="dei_EntityAddressAddressLine2" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressAddressLine2" order="47.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown" xlink:type="locator" xlink:label="dei_EntityAddressCityOrTown" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCityOrTown" order="48.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCountry" xlink:type="locator" xlink:label="dei_EntityAddressCountry" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressCountry" order="49.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode" xlink:type="locator" xlink:label="dei_EntityAddressPostalZipCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityAddressPostalZipCode" order="50.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode" xlink:type="locator" xlink:label="dei_CityAreaCode" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_CityAreaCode" order="51.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber" xlink:type="locator" xlink:label="dei_LocalPhoneNumber" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_LocalPhoneNumber" order="52.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications" xlink:type="locator" xlink:label="dei_WrittenCommunications" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_WrittenCommunications" order="53.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial" xlink:type="locator" xlink:label="dei_SolicitingMaterial" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_SolicitingMaterial" order="54.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementTenderOffer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementTenderOffer" order="55.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer" xlink:type="locator" xlink:label="dei_PreCommencementIssuerTenderOffer" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_PreCommencementIssuerTenderOffer" order="56.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle" xlink:type="locator" xlink:label="dei_Security12bTitle" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_Security12bTitle" order="57.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol" xlink:type="locator" xlink:label="dei_TradingSymbol" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_TradingSymbol" order="58.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName" xlink:type="locator" xlink:label="dei_SecurityExchangeName" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_SecurityExchangeName" order="59.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany" xlink:type="locator" xlink:label="dei_EntityEmergingGrowthCompany" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="aon_DocumentAndEntityInformationLineItems" xlink:to="dei_EntityEmergingGrowthCompany" order="60.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>6
<FILENAME>d925799d8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:aon="http://www.aon.com/20200630"
  xmlns:dei="http://xbrl.sec.gov/dei/2019-01-31"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:us-gaap="http://fasb.org/us-gaap/2019-01-31"
  xmlns:xbrldi="http://xbrl.org/2006/xbrldi"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="aon-20200630.xsd" xlink:type="simple"/>
    <context id="duration_2020-06-30_to_2020-06-30">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">us-gaap:CapitalUnitClassAMember</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <context id="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0000315293</identifier>
            <segment>
                <xbrldi:explicitMember dimension="us-gaap:StatementClassOfStockAxis">aon:GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member</xbrldi:explicitMember>
            </segment>
        </entity>
        <period>
            <startDate>2020-06-30</startDate>
            <endDate>2020-06-30</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="duration_2020-06-30_to_2020-06-30">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2020-06-30_to_2020-06-30"
      id="Hidden_dei_EntityCentralIndexKey">0000315293</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2020-06-30_to_2020-06-30">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2020-06-30_to_2020-06-30">2020-06-30</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="duration_2020-06-30_to_2020-06-30">Aon plc</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2020-06-30_to_2020-06-30">L2</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2020-06-30_to_2020-06-30">1-7933</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2020-06-30_to_2020-06-30">98-1539969</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2020-06-30_to_2020-06-30">Metropolitan Building</dei:EntityAddressAddressLine1>
    <dei:EntityAddressAddressLine2 contextRef="duration_2020-06-30_to_2020-06-30">James Joyce Street</dei:EntityAddressAddressLine2>
    <dei:EntityAddressCityOrTown contextRef="duration_2020-06-30_to_2020-06-30">Dublin 1</dei:EntityAddressCityOrTown>
    <dei:EntityAddressCountry contextRef="duration_2020-06-30_to_2020-06-30">IE</dei:EntityAddressCountry>
    <dei:EntityAddressPostalZipCode contextRef="duration_2020-06-30_to_2020-06-30">D01 K0Y85</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2020-06-30_to_2020-06-30">353 1</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2020-06-30_to_2020-06-30">266 6000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2020-06-30_to_2020-06-30">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2020-06-30_to_2020-06-30">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2020-06-30_to_2020-06-30">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2020-06-30_to_2020-06-30">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">Class&#160;A Ordinary Shares, $0.01 nominal value</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">AON</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_us-gaap-CapitalUnitClassAMember">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">Guarantees of Aon plc&#x2019;s 2.800% Senior Notes due 2021</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">AON21</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">Guarantees of Aon plc&#x2019;s 4.000% Senior Notes due 2023</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">AON23</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">Guarantees of Aon plc&#x2019;s 3.500% Senior Notes due 2024</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">AON24</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">Guarantees of Aon plc&#x2019;s 3.875% Senior Notes due 2025</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">AON25</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">Guarantees of Aon plc&#x2019;s 2.875% Senior Notes due 2026</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">AON26</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">Guarantees of Aon plc&#x2019;s 4.250% Senior Notes due 2042</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">AON42</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">Guarantees of Aon plc&#x2019;s 4.450% Senior Notes due 2043</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">AON43</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">Guarantees of Aon plc&#x2019;s 4.600% Senior Notes due 2044</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">AON44</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">NYSE</dei:SecurityExchangeName>
    <dei:Security12bTitle contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">Guarantees of Aon plc&#x2019;s 4.750% Senior Notes due 2045</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">AON45</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2020-06-30_to_2020-06-30_us-gaap-StatementClassOfStockAxis_aon-GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2020-06-30_to_2020-06-30">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>7
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
							if (e.nextSibling.style.display=='none') {
							e.nextSibling.style.display='block';
							} else { e.nextSibling.style.display='none'; }
							}</script>
</head>
<body>
<span style="display: none;">v3.20.2</span><table class="report" border="0" cellspacing="2" id="idm140189810774920">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Document and Entity Information<br></strong></div></th>
<th class="th"><div>Jun. 30, 2020</div></th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000315293<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">8-K<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jun. 30,  2020<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">Aon plc<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation State Country Code</a></td>
<td class="text">L2<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">1-7933<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">98-1539969<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">Metropolitan Building<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">James Joyce Street<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Dublin 1<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressCountry', window );">Entity Address, Country</a></td>
<td class="text">IE<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">D01 K0Y85<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">353 1<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">266 6000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre Commencement Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre Commencement Issuer Tender Offer</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=us-gaap_CapitalUnitClassAMember', window );">Capital Unit, Class A [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Class&#160;A Ordinary Shares, $0.01 nominal value<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member', window );">Guarantees Of Aon Plcs 2.800 Percent Senior Notes Due 2021 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 2.800% Senior Notes due 2021<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON21<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member', window );">Guarantees Of Aon Plcs 4.000 Percent Senior Notes Due 2023 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 4.000% Senior Notes due 2023<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON23<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member', window );">Guarantees Of Aon Plcs 3.500 Percent Senior Notes Due 2024 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 3.500% Senior Notes due 2024<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON24<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member', window );">Guarantees Of Aon Plcs 3.875 Percent Senior Notes Due 2025 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 3.875% Senior Notes due 2025<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON25<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member', window );">Guarantees Of Aon Plcs 2.875 Percent Senior Notes Due 2026 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 2.875% Senior Notes due 2026<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON26<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member', window );">Guarantees Of Aon Plcs 4.250 Percent Senior Notes Due 2042 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 4.250% Senior Notes due 2042<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON42<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member', window );">Guarantees Of Aon Plcs 4.450 Percent Senior Notes Due 2043 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 4.450% Senior Notes due 2043<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON43<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member', window );">Guarantees Of Aon Plcs 4.600 Percent Senior Notes Due 2044 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 4.600% Senior Notes due 2044<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON44<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member', window );">Guarantees Of Aon Plcs 4.750 Percent Senior Notes Due 2045 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_aon_DocumentAndEntityInformationLineItems', window );"><strong>Document And Entity Information [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Guarantees of Aon plc&#8217;s 4.750% Senior Notes due 2045<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">AON45<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_aon_DocumentAndEntityInformationLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">aon_DocumentAndEntityInformationLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>aon_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_AmendmentFlag">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_AmendmentFlag</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_CityAreaCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_CityAreaCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentPeriodEndDate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:dateItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_DocumentType">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_DocumentType</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:submissionTypeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 1 such as Attn, Building Name, Street Name</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressAddressLine2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Address Line 2 such as Street or Suite number</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressAddressLine2</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCityOrTown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressCountry">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>ISO 3166-1 alpha-2 country code.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressCountry</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:countryCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityAddressPostalZipCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityCentralIndexKey">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityCentralIndexKey</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:centralIndexKeyItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityEmergingGrowthCompany">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityEmergingGrowthCompany</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityFileNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityFileNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:fileNumberItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityIncorporationStateCountryCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Two-character EDGAR code representing the state or country of incorporation.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityIncorporationStateCountryCode</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarStateCountryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityRegistrantName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityRegistrantName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_EntityTaxIdentificationNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Regulation 12B<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_EntityTaxIdentificationNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:employerIdItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_LocalPhoneNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_LocalPhoneNumber</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:normalizedStringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementIssuerTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 13e<br> -Subsection 4c<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementIssuerTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_PreCommencementTenderOffer">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 14d<br> -Subsection 2b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_PreCommencementTenderOffer</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_Security12bTitle">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_Security12bTitle</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:securityTitleItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SecurityExchangeName">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Name of the Exchange on which a security is registered.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection d1-1<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SecurityExchangeName</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:edgarExchangeCodeItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_SolicitingMaterial">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Section 14a<br> -Number 240<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_SolicitingMaterial</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_TradingSymbol">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Trading symbol of an instrument as listed on an exchange.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_TradingSymbol</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dei:tradingSymbolItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_dei_WrittenCommunications">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.</p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Securities Act<br> -Number 230<br> -Section 425<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">dei_WrittenCommunications</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:booleanItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=us-gaap_CapitalUnitClassAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=us-gaap_CapitalUnitClassAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementClassOfStockAxis=aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EXCEL
<SEQUENCE>8
<FILENAME>Financial_Report.xlsx
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 Financial_Report.xlsx
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M?!^2!F.,6_0T7X\48JVFL:W&VC$,>8!8\PRA9CC?AT6:&C/5BZPYC0IO0=5
MY3_;U UH]@TT')$%7C&9MC:CY$X*/-S^[PVPPL2.X>V+OP%02P,$%     @
M,4C>4/6:+GS*!@  >2L  !@   !X;"]W;W)K<VAE971S+W-H965T,2YX;6R]
MFEUSVC@4AJ^[OT)#=WO5@K^!-LD,^6@W;9,P)=U.M[,7CBV"I[;%RG))_OT>
M&8)HUYSC 0^]:#!8KU\=O7XD@8\60GXO9IPK]I"E>7'<F2DU?]WK%=&,9V'1
M%7.>PR=3(;-0P:&\[Q5SR<.X:I2E/<>R@EX6)GGGY*AZ;RQ/CD2ITB3G8\F*
M,LM"^7C*4[$X[MB=IS<^)?<SI=_HG1S-PWL^X>KS?"SAJ+=6B9.,YT4B<B;Y
M]+@SLE^?]AW=H#KCKX0OBHW73'?E3HCO^N R/NY8VA%/>:2T1 A_?O SGJ9:
M"7S\NQ+MK*^I&VZ^?E)_6W4>.G,7%OQ,I%^26,V..X,.B_DT+%/U22S^Y*L.
M^5HO$FE1_<\6RW,#.#DJ"R6R56-PD"7Y\F_XL"K$1@/?W=+ 636H"M%;7JAR
M>1ZJ\.1(B@63^FQ0TR^JKE:MP5R2ZU&9* F?)M!.G9R+J(0B*Q;F,;O(5:(>
MV66^'&VHVE%/P47TJ;UH)7BZ%'2V"+XO\RYSK9?,L1SKY^8]\+8VZ*P-.I6>
M2QD<U1IDWSY" W:I>%;\@US.75_.K2[G;;G<"*X55]=[FX;W==W'VT_#M."(
M#V_MPT-U5CT] R<R3*'',7]@'_ACG2-<R8)_KNT[0Q>QY:]M^:C8>C1N'^>\
MS@O>?/#J V(B6)L(FID8<YD(G8J80?AK_>!*3V'][=DS(J[]M;=^DW'[Q.^3
M D8.3%Z'6:TS7&<$T9ZG$>)HL'8T:.+H,H^$G NYO&LF"NK%SD0)\8*4B;C6
M(B[\T4'<#=?NADW<O4U2SJ[+[([+.B.XAOVJ/W2Q=-N6H:'5Q,YM^, N8XA8
M,DVB9<6VFR,DAX-7MN\.A\$0<[C!:[N)PU$<2UX4+Y]>L J#-WGM.!*25UQ)
M,1=IHL*<G99)&B?Y/6;6L-MV=C=[NQ"U9G')]W [%>R]>(PXI%C"O(<Y-=BW
M<6[_ZO1,'PG);L6B?A+$Y<[+.WB+V9@W,Q78C>8"XVUYV];:PI4N+S!#9A*P
M<8S_:F@L"@63U-_)?"M*",5SRV8?K*\#'_-GY@<;QWHU>"-8I&ZW@PNXOHN/
MG9D.;)SC'T4$E1G/1([QC1!Q@H %,(UCCLQT8./8_B(3I7@.I<FR,E_AK:AU
MA0M12QW;S $V#O )L"=*%%"'7<&\)),PK?6#JU!^'#,+.#BRQY)7Y>%YQ)>K
M'5@4<LENIM/Z\2/T2&>&_@Z.ZO\YNRR*$IR1!G%9TN#&:KT1\2\R+N_U>+X#
M!373GN=A7HLL0I"T9A#OX$P^"^>)QM3G/%$ T32$B6C$OEUQ?5=B>P?'D-KQ
M#K%9<0R)'9R;$QZ54E_%=N[8;:+26MH1(E4I7CRW ^O-B-U(F/UA?\XFLQ#H
M_I+];G4!SKF S2<4[T>8ENAP&$@[.&-O9:C7&6SRF-V)VON=$!C=7&-&#*(=
MG*[K&EX\1+,PO^=;E^R$T/77"3:_.@;1#D[6=V6HMPX<%CHW4Z:W N,T*IC3
M'5B6WO1$.F(3GB>P0+D6"DX[+[G><-N-XFRX[ P/LO<VX'5Q4#:+,R&R43VQ
MK!YLI%X\'SAV_\VJB'_\7+UX53VL#P;1+LY2.M>$ .0:MV)@[.+L;)YL0HA(
MMKOQ[0K.X"W)]KH6D6RW2;)= VKW(*!V#:C=-D!-B.#)KHI8GVQL<^P:8KO[
M$IL0T,E&K1AFNVTQFQ"BDFV8[>[$;+?K$\GV&B7;,-L]"+,]PVRO#683(GBR
MJR+6)]O#^F"8[>W+;$) )QNU8ICMM<5L0HA(MF>8[>W$;+<[Z/MHLOTFR?8V
MOA$_"+,]PVRO#683(E2RH8CUR<:^"O$,L[U]F4T(Z&2C5@RSO;:830A1R3;,
M]G9=9Q/)#AHEVS#;.PBS?<-LOPUF$R+D.GM;L@.L#X;9_K[,)@1TLE$KAME^
M6\PFA(AD^X;9_H[K;,='5R.>TR39OF&V?Q!F^QN_3[;!;$*$6F=#$6N3[6&_
MB/F&V?Z^S"8$(-FX%<-LORUF$T)4L@VS_9V8[74](MF-=I"^8;9_$&8'AME!
M&\PF1*AD>]N2C6W; L/L8%]F$P(ZV:@5P^R@+6830D2R \/L8$=F!_@.TFNT
M@PP,LX.#,#LPS [:8#8A0B4[V+*#]+!M6[#Q2,J^S"8$=+)1*X;905O,)H2H
M9!MF!SLRNT\PN]$.,C#,#@["[+YA=K\-9A,B5++[VYB-;=OZAMG]?9E-".AD
MHU8,L_MM,9L0VI;LWL:#E/JAU*M0_XI9L)1/0<>"4G>87#[GN3Q08EX]6WDG
ME!)9]7+&PYA+?0)\/A4P(*L#_;CF^FG;D_\ 4$L#!!0    ( #%(WE"#J:4#
MU $  #(&   -    >&PO<W1Y;&5S+GAM;-55VXK40!#]E:8_P)Y$=D%) BHL
M""H+.P^^=I)*TM W.Y4QV:^W.YW;N RH#Z(ODSJGJD^=OD[6XR3AJ0- ,BJI
M^YQVB/8M8WW5@>+]*V-!^TQCG.+HH6M9;QWPN@^#E&3IZ73/%!>:%ID>U(/"
MGE1FT)C3$V5%UAB],Z]I)'PI5T N7.;T Y>B=&*NY4K(*=)I("HCC2/HK4!.
MD\#TSS&=1!1<+CI*:.,"R6*'^%LNY3\E5M1[**3<#*8T$D5F.2(X_>#!7#R3
M+U)DB<^3]0Y;QZ<DO:/[@/GCFY3&U>"V-@E=J2*3T 0[3K1=^**Q+"01C?)!
M+7AK-)\]K".6P,M6(.53V,*OS97VV)"X%Q_KL TD3'4-O:$EC#(1!/VC6M0^
MR-[]D2RQXF+P_>!GHV?\;3 (CPX:,<YX;+;^M]23V^K<6CF]DZ+5"N+<?[EA
MD?%U'.F,$\^^6S@IE2? 47(!AZ(Z,M\=MV<8<3U-8W/;<_H?>OZ[Z]R"!L?E
MT;0_^O_R*O^.8[;<GL,5O;J@&TO"0YC3+^%]E;L'4@Y"HM +ZD1=@WYQ3[T\
M\M(_X%?ZOKZ&A@\2SULRIWO\&6HQJ#=;U6-8EZ5JCS^%]RBYGQON_Q+%#U!+
M P04    "  Q2-Y0EXJ[',     3 @  "P   %]R96QS+RYR96QSG9*Y;L,P
M#$!_Q=">, ?0(8@S9?$6!/D!5J(/V!(%BD6=OZ_:I7&0"QEY/3P2W!YI0.TX
MI+:+J1C]$%)I6M6X 4BV)8]ISI%"KM0L'C6'TD!$VV-#L%HL/D N&6:WO606
MIW.D5XA<UYVE/=LO3T%O@*\Z3'%":4A+,P[PS=)_,O?S##5%Y4HCE5L:>-/E
M_G;@2=&A(E@6FD7)TZ(=I7\=Q_:0T^FO8R*T>EOH^7%H5 J.W&,EC'%BM/XU
M@LD/['X 4$L#!!0    ( #%(WE <.&7J/P$  #P"   /    >&PO=V]R:V)O
M;VLN>&ULC5'+;L) #/R5U7Y $U"+5$2XE#Z0JA:5BON2=8C%/B*O RU?7R=1
M5*1>>O)Z;(UG9A?G2,=]C$?UY5U(A:Z9FWF6I;(&;])-;"#(I(KD#4M+ARPU
M!,:F&H"]RZ9Y/LN\P:"7BY%K0]EU$QE*QA@$[( =PCG]SKM6G3#A'AWR=Z'[
MMP.M/ ;T> %;Z%RK5,?S2R2\Q,#&;4N*SA5Z,@QV0(SE'WC;B?PT^]0C;/8?
M1H04>I8+8864N-_H^8UH/($L#UW+\0D= ZT,PS/%ML%PZ&C$179EH\]AK$.(
M<_I/C+&JL(15+%L/@8<<"5PG,*0:FZ15,!X*/:XH$ZQZ#"PAJ748J&2W<RJG
MUW9PS2+W*D.:HPQH;0?AHUH+%0:P;W(@"2[)E1M27>EYIK=WDWM)J'7N0;#W
M\!J-'<V/'[?\ 5!+ P04    "  Q2-Y0)!Z;HJT   #X 0  &@   'AL+U]R
M96QS+W=O<FMB;V]K+GAM;"YR96QSM9$]#H,P#(6O$N4 -5"I0P5,75@K+A %
M\R,2$L6N"K<OA0&0.G1ALIXM?^_)3I]H%'=NH+;S)$9K!LIDR^SO *1;M(HN
MSN,P3VH7K.)9A@:\TKUJ$)(HND'8,V2>[IFBG#S^0W1UW6E\./VR./ /,+Q=
MZ*E%9"E*%1KD3,)HMC;!4N++3):BJ#(9BBJ6<%H@XLD@;6E6?;!/3K3G>1<W
M]T6NS>,)KM\,<'AT_@%02P,$%     @ ,4C>4&60>9(9 0  SP,  !,   !;
M0V]N=&5N=%]4>7!E<UTN>&ULK9--3L,P$(6O$F5;)2XL6*"F&V +77 !8T\:
MJ_Z39UK2VS-.VDJ@$A6%3:QXWKS/GI>LWH\1L.B=]=B4'5%\% )5!TYB'2)X
MKK0A.4G\FK8B2K636Q#WR^6#4,$3>*HH>Y3KU3.T<F^I>.EY&TWP39G 8ED\
MC<+,:DH9HS5*$M?%P>L?E.I$J+EST&!G(BY84(JKA%SY'7#J>SM 2D9#L9&)
M7J5CE>BM0#I:P'K:XLH90]L:!3JHO>.6&F,"J;$#(&?KT70Q32:>,(S/N]G\
MP68*R,I-"A$YL01_QYTCR=U59"-(9*:O>"&R]>S[04Y;@[Z1S>/]#&DWY(%B
M6.;/^'O&%_\;SO$1PNZ_/[&\UDX:?^:+X3]>?P%02P$"% ,4    "  Q2-Y0
M!T%-8H$   "Q    $               @ $     9&]C4')O<',O87!P+GAM
M;%!+ 0(4 Q0    ( #%(WE#I8N2 [0   "L"   1              "  :\
M  !D;V-0<F]P<R]C;W)E+GAM;%!+ 0(4 Q0    ( #%(WE"97)PC$ 8  )PG
M   3              "  <L!  !X;"]T:&5M92]T:&5M93$N>&UL4$L! A0#
M%     @ ,4C>4/6:+GS*!@  >2L  !@              ("!# @  'AL+W=O
M<FMS:&5E=',O<VAE970Q+GAM;%!+ 0(4 Q0    ( #%(WE"#J:4#U $  #(&
M   -              "  0P/  !X;"]S='EL97,N>&UL4$L! A0#%     @
M,4C>4)>*NQS     $P(   L              ( !"Q$  %]R96QS+RYR96QS
M4$L! A0#%     @ ,4C>4!PX9>H_ 0  / (   \              ( !]!$
M 'AL+W=O<FMB;V]K+GAM;%!+ 0(4 Q0    ( #%(WE D'INBK0   /@!   :
M              "  6 3  !X;"]?<F5L<R]W;W)K8F]O:RYX;6PN<F5L<U!+
M 0(4 Q0    ( #%(WE!ED'F2&0$  ,\#   3              "  444  !;
H0V]N=&5N=%]4>7!E<UTN>&UL4$L%!@     )  D /@(  (\5      $!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<FILENAME>Show.js
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
// Edgar(tm) Renderer was created by staff of the U.S. Securities and Exchange Commission.  Data and content created by government employees within the scope of their employment are not subject to domestic copyright protection. 17 U.S.C. 105.
var Show={};Show.LastAR=null,Show.showAR=function(a,r,w){if(Show.LastAR)Show.hideAR();var e=a;while(e&&e.nodeName!='TABLE')e=e.nextSibling;if(!e||e.nodeName!='TABLE'){var ref=((window)?w.document:document).getElementById(r);if(ref){e=ref.cloneNode(!0);
e.removeAttribute('id');a.parentNode.appendChild(e)}}
if(e)e.style.display='block';Show.LastAR=e};Show.hideAR=function(){Show.LastAR.style.display='none'};Show.toggleNext=function(a){var e=a;while(e.nodeName!='DIV')e=e.nextSibling;if(!e.style){}else if(!e.style.display){}else{var d,p_;if(e.style.display=='none'){d='block';p='-'}else{d='none';p='+'}
e.style.display=d;if(a.textContent){a.textContent=p+a.textContent.substring(1)}else{a.innerText=p+a.innerText.substring(1)}}}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>10
<FILENAME>report.css
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
/* Updated 2009-11-04 */
/* v2.2.0.24 */

/* DefRef Styles */
..report table.authRefData{
	background-color: #def;
	border: 2px solid #2F4497;
	font-size: 1em;
	position: absolute;
}

..report table.authRefData a {
	display: block;
	font-weight: bold;
}

..report table.authRefData p {
	margin-top: 0px;
}

..report table.authRefData .hide {
	background-color: #2F4497;
	padding: 1px 3px 0px 0px;
	text-align: right;
}

..report table.authRefData .hide a:hover {
	background-color: #2F4497;
}

..report table.authRefData .body {
	height: 150px;
	overflow: auto;
	width: 400px;
}

..report table.authRefData table{
	font-size: 1em;
}

/* Report Styles */
..pl a, .pl a:visited {
	color: black;
	text-decoration: none;
}

/* table */
..report {
	background-color: white;
	border: 2px solid #acf;
	clear: both;
	color: black;
	font: normal 8pt Helvetica, Arial, san-serif;
	margin-bottom: 2em;
}

..report hr {
	border: 1px solid #acf;
}

/* Top labels */
..report th {
	background-color: #acf;
	color: black;
	font-weight: bold;
	text-align: center;
}

..report th.void	{
	background-color: transparent;
	color: #000000;
	font: bold 10pt Helvetica, Arial, san-serif;
	text-align: left;
}

..report .pl {
	text-align: left;
	vertical-align: top;
	white-space: normal;
	width: 200px;
	white-space: normal; /* word-wrap: break-word; */
}

..report td.pl a.a {
	cursor: pointer;
	display: block;
	width: 200px;
	overflow: hidden;
}

..report td.pl div.a {
	width: 200px;
}

..report td.pl a:hover {
	background-color: #ffc;
}

/* Header rows... */
..report tr.rh {
	background-color: #acf;
	color: black;
	font-weight: bold;
}

/* Calendars... */
..report .rc {
	background-color: #f0f0f0;
}

/* Even rows... */
..report .re, .report .reu {
	background-color: #def;
}

..report .reu td {
	border-bottom: 1px solid black;
}

/* Odd rows... */
..report .ro, .report .rou {
	background-color: white;
}

..report .rou td {
	border-bottom: 1px solid black;
}

..report .rou table td, .report .reu table td {
	border-bottom: 0px solid black;
}

/* styles for footnote marker */
..report .fn {
	white-space: nowrap;
}

/* styles for numeric types */
..report .num, .report .nump {
	text-align: right;
	white-space: nowrap;
}

..report .nump {
	padding-left: 2em;
}

..report .nump {
	padding: 0px 0.4em 0px 2em;
}

/* styles for text types */
..report .text {
	text-align: left;
	white-space: normal;
}

..report .text .big {
	margin-bottom: 1em;
	width: 17em;
}

..report .text .more {
	display: none;
}

..report .text .note {
	font-style: italic;
	font-weight: bold;
}

..report .text .small {
	width: 10em;
}

..report sup {
	font-style: italic;
}

..report .outerFootnotes {
	font-size: 1em;
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>11
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.20.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>11</ContextCount>
  <ElementCount>95</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>10</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="d925799d8k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>100000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="8-K" original="d925799d8k.htm">d925799d8k.htm</File>
    <File>aon-20200630.xsd</File>
    <File>aon-20200630_def.xml</File>
    <File>aon-20200630_lab.xml</File>
    <File>aon-20200630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy>http://xbrl.sec.gov/dei/2019-01-31</BaseTaxonomy>
    <BaseTaxonomy>http://fasb.org/us-gaap/2019-01-31</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>13
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "instance": {
  "d925799d8k.htm": {
   "axisCustom": 0,
   "axisStandard": 1,
   "contextCount": 11,
   "dts": {
    "definitionLink": {
     "local": [
      "aon-20200630_def.xml"
     ],
     "remote": [
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-eedm-def-2019-01-31.xml",
      "http://xbrl.fasb.org/srt/2019/elts/srt-eedm1-def-2019-01-31.xml"
     ]
    },
    "inline": {
     "local": [
      "d925799d8k.htm"
     ]
    },
    "labelLink": {
     "local": [
      "aon-20200630_lab.xml"
     ],
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-doc-2019-01-31.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "aon-20200630_pre.xml"
     ]
    },
    "referenceLink": {
     "remote": [
      "https://xbrl.sec.gov/dei/2019/dei-ref-2019-01-31.xml"
     ]
    },
    "schema": {
     "local": [
      "aon-20200630.xsd"
     ],
     "remote": [
      "http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xl-2003-12-31.xsd",
      "http://www.xbrl.org/2003/xlink-2003-12-31.xsd",
      "https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "http://xbrl.sec.gov/sic/2011/sic-2011-01-31.xsd",
      "https://xbrl.sec.gov/naics/2017/naics-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-roles-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-types-2019-01-31.xsd",
      "http://xbrl.fasb.org/srt/2019/elts/srt-roles-2019-01-31.xsd",
      "https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd",
      "http://xbrl.fasb.org/us-gaap/2019/elts/us-types-2019-01-31.xsd",
      "http://www.xbrl.org/lrr/role/deprecated-2009-12-16.xsd"
     ]
    }
   },
   "elementCount": 38,
   "entityCount": 1,
   "hidden": {
    "http://xbrl.sec.gov/dei/2019-01-31": 2,
    "total": 2
   },
   "keyCustom": 0,
   "keyStandard": 95,
   "memberCustom": 9,
   "memberStandard": 1,
   "nsprefix": "aon",
   "nsuri": "http://www.aon.com/20200630",
   "report": {
    "R1": {
     "firstAnchor": {
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "baseRef": "d925799d8k.htm",
      "contextRef": "duration_2020-06-30_to_2020-06-30",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     },
     "groupType": "document",
     "isDefault": "true",
     "longName": "100000 - Document - Document and Entity Information",
     "role": "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation",
     "shortName": "Document and Entity Information",
     "subGroupType": "",
     "uniqueAnchor": {
      "ancestors": [
       "span",
       "p",
       "div",
       "body",
       "html"
      ],
      "baseRef": "d925799d8k.htm",
      "contextRef": "duration_2020-06-30_to_2020-06-30",
      "decimals": null,
      "first": true,
      "lang": "en-US",
      "name": "dei:DocumentType",
      "reportCount": 1,
      "unique": true,
      "unitRef": null,
      "xsiNil": "false"
     }
    }
   },
   "segmentCount": 10,
   "tag": {
    "aon_DocumentAndEntityInformationLineItems": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Document And Entity Information [Line Items]",
        "terseLabel": "Document And Entity Information [Line Items]"
       }
      }
     },
     "localname": "DocumentAndEntityInformationLineItems",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    },
    "aon_DocumentAndEntityInformationTable": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Document And Entity Information [Table]",
        "terseLabel": "Document And Entity Information [Table]"
       }
      }
     },
     "localname": "DocumentAndEntityInformationTable",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    },
    "aon_GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 2.800 Percent Senior Notes Due 2021 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 2.800 Percent Senior Notes Due 2021 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs2.800PercentSeniorNotesDue2021Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 2.875 Percent Senior Notes Due 2026 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 2.875 Percent Senior Notes Due 2026 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs2.875PercentSeniorNotesDue2026Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 3.500 Percent Senior Notes Due 2024 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 3.500 Percent Senior Notes Due 2024 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs3.500PercentSeniorNotesDue2024Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 3.875 Percent Senior Notes Due 2025 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 3.875 Percent Senior Notes Due 2025 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs3.875PercentSeniorNotesDue2025Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 4.000 Percent Senior Notes Due 2023 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 4.000 Percent Senior Notes Due 2023 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs4.000PercentSeniorNotesDue2023Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 4.250 Percent Senior Notes Due 2042 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 4.250 Percent Senior Notes Due 2042 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs4.250PercentSeniorNotesDue2042Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 4.450 Percent Senior Notes Due 2043 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 4.450 Percent Senior Notes Due 2043 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs4.450PercentSeniorNotesDue2043Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 4.600 Percent Senior Notes Due 2044 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 4.600 Percent Senior Notes Due 2044 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs4.600PercentSeniorNotesDue2044Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "aon_GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Guarantees Of Aon Plcs 4.750 Percent Senior Notes Due 2045 [Member]",
        "terseLabel": "Guarantees Of Aon Plcs 4.750 Percent Senior Notes Due 2045 [Member]"
       }
      }
     },
     "localname": "GuaranteesOfAonPlcs4.750PercentSeniorNotesDue2045Member",
     "nsuri": "http://www.aon.com/20200630",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "dei_AmendmentFlag": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.",
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag"
       }
      }
     },
     "localname": "AmendmentFlag",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_CityAreaCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Area code of city",
        "label": "City Area Code",
        "terseLabel": "City Area Code"
       }
      }
     },
     "localname": "CityAreaCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_CoverAbstract": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Cover page.",
        "label": "Cover [Abstract]",
        "terseLabel": "Cover [Abstract]"
       }
      }
     },
     "localname": "CoverAbstract",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "xbrltype": "stringItemType"
    },
    "dei_DocumentPeriodEndDate": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented.  If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD.",
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date"
       }
      }
     },
     "localname": "DocumentPeriodEndDate",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "dateItemType"
    },
    "dei_DocumentType": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The type of document being provided (such as 10-K, 10-Q, 485BPOS, etc). The document type is limited to the same value as the supporting SEC submission type, or the word 'Other'.",
        "label": "Document Type",
        "terseLabel": "Document Type"
       }
      }
     },
     "localname": "DocumentType",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "submissionTypeItemType"
    },
    "dei_EntityAddressAddressLine1": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name",
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One"
       }
      }
     },
     "localname": "EntityAddressAddressLine1",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressAddressLine2": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Address Line 2 such as Street or Suite number",
        "label": "Entity Address, Address Line Two",
        "terseLabel": "Entity Address, Address Line Two"
       }
      }
     },
     "localname": "EntityAddressAddressLine2",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCityOrTown": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the City or Town",
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town"
       }
      }
     },
     "localname": "EntityAddressCityOrTown",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityAddressCountry": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "ISO 3166-1 alpha-2 country code.",
        "label": "Entity Address, Country",
        "terseLabel": "Entity Address, Country"
       }
      }
     },
     "localname": "EntityAddressCountry",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "countryCodeItemType"
    },
    "dei_EntityAddressPostalZipCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Code for the postal or zip code",
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code"
       }
      }
     },
     "localname": "EntityAddressPostalZipCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityCentralIndexKey": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK.",
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key"
       }
      }
     },
     "localname": "EntityCentralIndexKey",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "centralIndexKeyItemType"
    },
    "dei_EntityEmergingGrowthCompany": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Indicate if registrant meets the emerging growth company criteria.",
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company"
       }
      }
     },
     "localname": "EntityEmergingGrowthCompany",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_EntityFileNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Commission file number. The field allows up to 17 characters. The prefix may contain 1-3 digits, the sequence number may contain 1-8 digits, the optional suffix may contain 1-4 characters, and the fields are separated with a hyphen.",
        "label": "Entity File Number",
        "terseLabel": "Entity File Number"
       }
      }
     },
     "localname": "EntityFileNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "fileNumberItemType"
    },
    "dei_EntityIncorporationStateCountryCode": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Two-character EDGAR code representing the state or country of incorporation.",
        "label": "Entity Incorporation State Country Code",
        "terseLabel": "Entity Incorporation State Country Code"
       }
      }
     },
     "localname": "EntityIncorporationStateCountryCode",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarStateCountryItemType"
    },
    "dei_EntityRegistrantName": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC.",
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name"
       }
      }
     },
     "localname": "EntityRegistrantName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_EntityTaxIdentificationNumber": {
     "auth_ref": [
      "r5"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS.",
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number"
       }
      }
     },
     "localname": "EntityTaxIdentificationNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "employerIdItemType"
    },
    "dei_LocalPhoneNumber": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Local phone number for entity.",
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number"
       }
      }
     },
     "localname": "LocalPhoneNumber",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "normalizedStringItemType"
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "auth_ref": [
      "r2"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.",
        "label": "Pre Commencement Issuer Tender Offer",
        "terseLabel": "Pre Commencement Issuer Tender Offer"
       }
      }
     },
     "localname": "PreCommencementIssuerTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_PreCommencementTenderOffer": {
     "auth_ref": [
      "r3"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act.",
        "label": "Pre Commencement Tender Offer",
        "terseLabel": "Pre Commencement Tender Offer"
       }
      }
     },
     "localname": "PreCommencementTenderOffer",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_Security12bTitle": {
     "auth_ref": [
      "r0"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Title of a 12(b) registered security.",
        "label": "Security 12b Title",
        "terseLabel": "Security 12b Title"
       }
      }
     },
     "localname": "Security12bTitle",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "securityTitleItemType"
    },
    "dei_SecurityExchangeName": {
     "auth_ref": [
      "r1"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Name of the Exchange on which a security is registered.",
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name"
       }
      }
     },
     "localname": "SecurityExchangeName",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "edgarExchangeCodeItemType"
    },
    "dei_SolicitingMaterial": {
     "auth_ref": [
      "r4"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as soliciting material pursuant to Rule 14a-12 under the Exchange Act.",
        "label": "Soliciting Material",
        "terseLabel": "Soliciting Material"
       }
      }
     },
     "localname": "SolicitingMaterial",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "dei_TradingSymbol": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Trading symbol of an instrument as listed on an exchange.",
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol"
       }
      }
     },
     "localname": "TradingSymbol",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "tradingSymbolItemType"
    },
    "dei_WrittenCommunications": {
     "auth_ref": [
      "r6"
     ],
     "lang": {
      "en-US": {
       "role": {
        "documentation": "Boolean flag that is true when the Form 8-K filing is intended to satisfy the filing obligation of the registrant as written communications pursuant to Rule 425 under the Securities Act.",
        "label": "Written Communications",
        "terseLabel": "Written Communications"
       }
      }
     },
     "localname": "WrittenCommunications",
     "nsuri": "http://xbrl.sec.gov/dei/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "booleanItemType"
    },
    "us-gaap_CapitalUnitClassAMember": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Capital Unit, Class A [Member]",
        "terseLabel": "Capital Unit, Class A [Member]"
       }
      }
     },
     "localname": "CapitalUnitClassAMember",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_ClassOfStockDomain": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Class of Stock [Domain]",
        "terseLabel": "Class of Stock [Domain]"
       }
      }
     },
     "localname": "ClassOfStockDomain",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "domainItemType"
    },
    "us-gaap_StatementClassOfStockAxis": {
     "auth_ref": [],
     "lang": {
      "en-US": {
       "role": {
        "label": "Class of Stock [Axis]",
        "terseLabel": "Class of Stock [Axis]"
       }
      }
     },
     "localname": "StatementClassOfStockAxis",
     "nsuri": "http://fasb.org/us-gaap/2019-01-31",
     "presentation": [
      "http://www.aon.com//20200630/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "xbrltype": "stringItemType"
    }
   },
   "unitCount": 0
  }
 },
 "std_ref": {
  "r0": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r2": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r3": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r4": {
   "Name": "Exchange Act",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "Name": "Regulation 12B",
   "Number": "240",
   "Publisher": "SEC",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r6": {
   "Name": "Securities Act",
   "Number": "230",
   "Publisher": "SEC",
   "Section": "425"
  }
 },
 "version": "2.1"
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>14
<FILENAME>0001193125-20-183424-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001193125-20-183424-xbrl.zip
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M#GXH4APWIW5[VVP'_S^E*.[0Q>\5\/HO4$L#!!0    ( #%(WE#CP7:>E@8
M )!$   4    86]N+3(P,C P-C,P7V1E9BYX;6S=G%USXC84AN\[T__@LC?=
MF1J;SR1,Z XER0[33383V+;3FXRP!6A6EAA)WL"_KV2L!(A-Y&!GN[H*-CI'
M[R/KX\A'X?S#*L+.-\@XHJ1?:]3]F@-)0$-$YOU:S%W  X1J'W[_^:?S7US7
MN;@:W3BNLQ!BR7N>]_#P4 ]GB'"*8R$]\'I (\]Q75U^./GB_+7QWG/N((:
M0Z?I-WVW[?P1(QSVU(7?\3OUYK89@T#Y<T(@8,_I>BW?4P6=1K/G^[W6B7-[
M[5P"+B CS@1%<-N6+M<,S1?"^35XG]3E7%!"(,9P[5PA DB  ';&6O)OSH@$
M=6> L7.GS+C4R2'[!L-ZZA4C\G6JA,NV(KQ?4_0I_&K*<)VRN53GMSQ=L+8I
MV5/7!8JO.-HI_=#291O>/]>?QL$"1L"5K2TDPY/5LUI2N\;9V9F7?/M85%8?
MBL>RVVHZWN9+692C'D^J^D2#Y"D8(#BY)=25JXNYZI;;:+JM1GW%PYIL7<<Y
M!RQ@%,,[.',2N3VQ7L)^C:-HB15F<F_!X"Q7B%:O_'>4YW< XYJ3.OYR-WK.
MC(CP0A1Y:1DO,?"J$R3K@D2- S>$,Q!C44Q>AOG;B*410.356E/K*J4F5;@1
MC*:0%=2Y:UJAR(5TP8)X"MW'MBDF-=-!*C@1I"7O>U3: "7)O)Q,H7Y7SJ4"
MK"BAT=I+G%_0()9.A?X[(.$E$4BL1V1&693, ;O@TJ.KG26 =]+/?1$_NXVZ
M32+[-R)(E?TD+W>*PY6 )(2A=J+4ET^::-%J, T.D\L;]X?<3<#TJ=ML,+":
M5RG3-S&80IQX-G'DE2M/MC$<"1CQ,B1N.3LL<[N[SP"?)GU>1AMS );RV37.
M/(@%UW=<=<?U&^FJ\2Z]?3\6,CI06H88</YY-A8T^#I8(2,6 R=OP;!=ZT4Z
M6YJ+S[+^$57?-]](-U@B ? 7.;\D(@;7Z=Q?0'R>BU<,S(\Q8( ("&5K#"BY
MQ0%OUD]]_U;.];)'CB%!E-U0 ?E%#*5UPUSN4>[+06G7_?RZ6D>CF+DO!Z55
M[^37U3X:Q<Q]62BG)YV\NCHEH)BX+VVLY-?5+6.L&+@O:ZPT.WD]H-TL8:R8
MN"\+I9U?5QG#WL1]62C=W''9/G[8F[DO"^4DO]F.'_9F[E]>XKE>XSD,ZG/Z
MS0LAVBSO\L/^JBYOW0]DZ!:J\.T*@[D)0(91!;(VH?%05L$ 'LD]R^I/N#:5
MEV-<@4P=S$^D(E-UNS85BI+="5&YR0@O9(1>5-V><66/^ [.$1=J.-R R%AE
MMFUE(D<DH&Q)6;))2S8\0QK+WK4>TK"@YA=<589PA3"\B4UGJ6R[RL1-P&H4
MRDZ'9FCSQO0U2G.=5"9[$(8,RAW,YH_:O#>*2<YT\(9RF\?*-=IV'B=W*#]^
M9A/Z8+1%/FA>N=3-2'Z=3FU;M<A;RN7V^U^T+#YW97NH0+!Z: ,&01&)NS85
MB%+9''R[H*3@//K<K@)Q?S,D!"1#&D4Q2><_H]=X!XPKD#FF& 5((#*_EBL?
M0P";:LRRK$#@+8.J&2 )DG>:$_6ZG'V>S<P?]R$/U0L><1Y#=KSL##]5= <8
MQ++OK1O-Z00)L]?\V785B)LPH++XXW4TI<;==,^HPC:[7 4+0.:P2-B<;5O9
MBG,903:7K?&1T0>QD-UK"4C!U3''Q:/DIV37@ 4[G@$+M-<T"6B8P][8S!B-
M"B5LTKJI<2**,CFV^C49\2WE5DL]EGY-QE,QET+I4A5,9L<D$]H+*!%P)2YQ
M,CK[-0[GZL/3]YAR&/9K@L6PLN;)3*(6::[=7!XU2B*9-5-%Q,\S\=NXYGDT
M>CCEE#(V6]\;4A^-J(!2I:@>.57JX3L]T=TS"UF@!Y)SU""/I2';/R;?48DO
MS=ZQBMTL4Z;9NU:QFZ76-/N)9>PFN3C-?FH5NUGR3K.?6<5NENU+V5N^9>PF
MZ4'-_H.NX4?E$S5[TS)VDP2D9O].@6H^^ZLV:AFI3 W8J?\/ ]170^8D1#5L
MURK8W?QJRMCVK63<R])JV(95L-G)7LW:M)#UA22Q1F]9B+Z=;]:<;0LY<[/5
M&MK&%2@SWZV![5J%#F3,-?")O<#;67>->VHQKD[>:]8S>UGWLO\I<<>N^&KW
M,(%FM"NL>GXN07/:%5+EG&[0L'8%45G')#2I76'4H7,6FMBN&.KE(QJ:VZY0
MZOEI#\UI5P2U=W9$0]H5-V4?0=&L-L9-.4=84N2N<>!TGOQ8Q-Z_=ZN?UWC\
M$0EY\1]02P,$%     @ ,4C>4.'CO*!R"0  *7D  !0   !A;VXM,C R,# V
M,S!?;&%B+GAM;,U=76_;-A1]'[#_<.>];$#E[Z2KT73PDG0(EC9!XV[#BJ&0
M9=H1)I.&)#?VOQ^ICT2V*8D2+RT_M%4DWG/NO3E'(6DI??OK9NG!-^('+J,7
MK5Z[VP)"'39SZ>*BM0XL.W!<MP5!:-.9[3%*+EI;$K1^???]=V]_L"RX>G_S
M$2QX#,-5,.ITGIZ>VK.Y2P/FK4,.&;0=MNR 9:7C+R>?X<^8;@2?B$?L@$"_
MV^]:0_AM[7JSD?BB>]8]:_>S83ZQ!1[,[)",X+PSZ';$0.CU1]WN:#" ^P]P
M;0<A\2E,W"7)QK+5UG<7CR'\Y/P<<<$5HY1X'MG">Y?:U'%M#Q[2E%_!#77:
M,/8\^"3" IYG0/QO9-9.4#V7_C<2?TU%]O#]=P"\C32(SEVT1#.27FRFOM=F
M_H(GVQUTTI#62\3F(.1I$ 7TWKQYTXFN9D<'KFPL!^]U_OYP^^ \DJ5M\?;S
M;Y>3T 3N*(C.WS(GZJ%"@I [0GQEI<,L<<KJ]:U!K[T)9JUW@C#ICCTEWBT_
M@JB&D<\\4D L+D?LK61\N%WQ\603$CHC"?(S-G.248\^F<>H0GP19$"<]H)]
MZ\R(RZ%[;\2!)0ZL;B_)\T=^ZNLEXZH?3X/0MYUPE]43C6)^>C(JY:(E">KL
MIB7&C7UG!\OVG12''Y9T(1G1<1C_[JU"*T),P^<^6TJS2.B8Y.)7;^I)TQ1Z
MXD?"Y(1:GQ_*:HV!LH7Y)&!KGXNLRC<XJN==A Q?4NQ_WW9>N$\E57XC"<AM
MU7PQA#E><LGS/^%[SUZH"G,OJ"%ARE-GDHLZPI0 (0GS&1D$M+8L#22:E:5J
MMABBO*:A&VXO.9EO>S?\EKSY@VQ5Q9D3W)!(BTMA!8-T1%L B"3>F $2"H@X
M@)-HR]A@ZEDY5\\?0]A7S%D+#TUX#:IZWHUI2,;2Q-GA-1W1'N(@:34%!H&L
M+5#\-+.Z5,P54XSWQ'?9[)K.KOAJIZHJ]X(;EJ>\%%8P"$.P$D!LY<84P#E
MD*")V$#J4C4KYX\W??A$%JZ80M/PH[U4UK4\MM')0TXA+'^,_M1!AH<[<WAA
M $&!-&\PD;=DVJ"</)Z<;ZC#_!7SHTV5AY";Z)*M^>1E>\EF%=5= M6HV-7*
M9,HA^E90@,=UQ@XA1(R04(+@1++*$>J2.*=^<7A6>N]ZY.-Z.25^-=]DXQHU
MB:0 )K^N+_]]+%RM"W2(X9%DC9VO1,-*2>/)=6)O;F9\$N7.W7A+O8YV<T$:
M%7)9:4QAL+[$"X%Q]<ZI8)<+5_U&2Y%8H48]>,88SV:\C"#YY]:EI%?-%%*
M1@U15!(K&:AOA%Q07!,D^*_2 Q!,<$>Q9C;&RI 8H$8M)@W0US5 _^0,T%<U
M0-^$ ?K',\#DB1DS %(9R@8HK 7= )?\\,Z?L"=:2_[9\%,0OZ0<F?1?AJ$)
M?Q_2D.P%#3 ?!!&NY+$+*!*\6A7X8H]7R_64GL:>A,SW"I%J/!Z#)_ LGBEU
MQQS(PL9,O%#59=FC"_J>!:'M_>.NJN]DRA%.0=SRHF02WQF))G0)JB&YQTS
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M4$L! A0#%     @ ,4C>4./!=IZ6!@  D$0  !0              ( !UP0
M &%O;BTR,#(P,#8S,%]D968N>&UL4$L! A0#%     @ ,4C>4.'CO*!R"0
M*7D  !0              ( !GPL  &%O;BTR,#(P,#8S,%]L86(N>&UL4$L!
M A0#%     @ ,4C>4*=L>ZE-!@  8DH  !0              ( !0Q4  &%O
M;BTR,#(P,#8S,%]P<F4N>&UL4$L! A0#%     @ ,4C>4 C0Z75W$P  ^+8
M  X              ( !PAL  &0Y,C4W.3ED.&LN:'1M4$L%!@     %  4
*0 $  &4O      $!

end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
