<SEC-DOCUMENT>0001193125-26-302034.txt : 20260713
<SEC-HEADER>0001193125-26-302034.hdr.sgml : 20260713
<ACCEPTANCE-DATETIME>20260713161515
ACCESSION NUMBER:		0001193125-26-302034
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		13
CONFORMED PERIOD OF REPORT:	20260713
ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
ITEM INFORMATION:		Regulation FD Disclosure
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20260713
DATE AS OF CHANGE:		20260713

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ONE Gas, Inc.
		CENTRAL INDEX KEY:			0001587732
		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS DISTRIBUTION [4924]
		ORGANIZATION NAME:           	01 Energy & Transportation
		EIN:				463561936
		STATE OF INCORPORATION:			OK
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-36108
		FILM NUMBER:		261171490

	BUSINESS ADDRESS:	
		STREET 1:		15 EAST FIFTH STREET
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
		BUSINESS PHONE:		918-947-7000

	MAIL ADDRESS:	
		STREET 1:		15 EAST FIFTH STREET
		CITY:			TULSA
		STATE:			OK
		ZIP:			74103
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d25881d8k.htm
<DESCRIPTION>8-K
<TEXT>
<XBRL>
<?xml version='1.0' encoding='ASCII'?>
<html xmlns:dei="http://xbrl.sec.gov/dei/2025" xmlns:us-types="http://fasb.org/us-types/2025" 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:ogs="http://www.onegas.com/20260713" 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:xbrli="http://www.xbrl.org/2003/instance" xmlns:xbrldi="http://xbrl.org/2006/xbrldi" xmlns:srt="http://fasb.org/srt/2025" xmlns:stpr="http://xbrl.sec.gov/stpr/2025" 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_2026-07-13_to_2026-07-13" id="ixv-287">false</ix:nonNumeric> <ix:nonNumeric id="Hidden_dei_EntityCentralIndexKey" name="dei:EntityCentralIndexKey" contextRef="duration_2026-07-13_to_2026-07-13">0001587732</ix:nonNumeric> </ix:hidden> <ix:references> <link:schemaRef xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xlink:type="simple" xlink:href="ogs-20260713.xsd" xlink:arcrole="http://www.xbrl.org/2003/linkbase"/> </ix:references> <ix:resources> <xbrli:context id="duration_2026-07-13_to_2026-07-13"> <xbrli:entity> <xbrli:identifier scheme="http://www.sec.gov/CIK">0001587732</xbrli:identifier> </xbrli:entity> <xbrli:period> <xbrli:startDate>2026-07-13</xbrli:startDate> <xbrli:endDate>2026-07-13</xbrli:endDate> </xbrli:period> </xbrli:context> </ix:resources> </ix:header> </div> <div style="text-align:center"> <div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto"> <div style="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&#160;</div> <div style="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&#160;</div> <p style="margin-top:4pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">UNITED STATES</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">SECURITIES AND EXCHANGE COMMISSION</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">Washington, D.C. 20549</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:10pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman;font-weight:bold;text-align:center">FORM <span style="white-space:nowrap"><ix:nonNumeric name="dei:DocumentType" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-298">8-K</ix:nonNumeric></span></p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:10pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">CURRENT REPORT</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">Pursuant to Section 13 or 15(d)</p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">of the Securities Exchange Act of 1934</p> <p style="margin-top:10pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Date of report) <ix:nonNumeric name="dei:DocumentPeriodEndDate" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt:datemonthdayyearen" id="ixv-299">July 13, 2026</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Date of earliest event reported) July 13, 2026</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:10pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman;font-weight:bold;text-align:center"><ix:nonNumeric name="dei:EntityRegistrantName" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-300">ONE Gas, Inc.</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Exact name of registrant as specified in its charter)</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0;margin:0 auto">
<tr>
<td style="width:34%"/>
<td style="vertical-align:bottom"/>
<td style="width:32%"/>
<td style="vertical-align:bottom;width:1%"/>
<td style="width:32%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><ix:nonNumeric name="dei:EntityIncorporationStateCountryCode" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:stateprovnameen" id="ixv-301">Oklahoma</ix:nonNumeric></span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><span style="white-space:nowrap"><ix:nonNumeric name="dei:EntityFileNumber" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-302">001-36108</ix:nonNumeric></span></span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold"><span style="white-space:nowrap"><ix:nonNumeric name="dei:EntityTaxIdentificationNumber" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-303">46-3561936</ix:nonNumeric></span></span></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold">(State or Other Jurisdiction<br/>of Incorporation)</span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold">(Commission<br/>File Number)</span></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><span style="font-weight:bold">(IRS Employer<br/>Identification Number)</span></td></tr></table> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center"><ix:nonNumeric name="dei:EntityAddressAddressLine1" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-304">15 East Fifth Street</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center"><ix:nonNumeric name="dei:EntityAddressCityOrTown" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-305">Tulsa</ix:nonNumeric>, <ix:nonNumeric name="dei:EntityAddressStateOrProvince" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-306">OK</ix:nonNumeric> <ix:nonNumeric name="dei:EntityAddressPostalZipCode" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-307">74103</ix:nonNumeric></p> <p style="margin-top:0pt; margin-bottom:0pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">(Address of principal executive offices) (Zip Code)</p> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">Registrant&#8217;s Telephone Number, including area code <ix:nonNumeric name="dei:CityAreaCode" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-308">(918)</ix:nonNumeric> <span style="white-space:nowrap"><ix:nonNumeric name="dei:LocalPhoneNumber" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-309">947-7000</ix:nonNumeric></span></p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="text-align:center"> <div style="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%;text-align:center;margin-left: auto;margin-right: auto">&#160;</div></div> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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:</p> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:WrittenCommunications" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:boolballotbox" id="ixv-310">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:SolicitingMaterial" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:boolballotbox" id="ixv-311">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left">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></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:PreCommencementTenderOffer" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:boolballotbox" id="ixv-312">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><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></p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:4%;vertical-align:top;text-align:left"><ix:nonNumeric name="dei:PreCommencementIssuerTenderOffer" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:boolballotbox" id="ixv-313">&#9744;</ix:nonNumeric></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><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></p></td></tr></table> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities registered pursuant to Section 12(b) of the Act:</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="border-collapse:collapse; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0;margin:0 auto">
<tr>
<td style="width:34%"/>
<td style="vertical-align:bottom"/>
<td style="width:32%"/>
<td style="vertical-align:bottom;width:1%"/>
<td style="width:32%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;white-space:nowrap;text-align:center"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Title of each class</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;text-align:center"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Trading<br/>symbol(s)</p></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;text-align:center"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold;text-align:center">Name of each exchange<br/>on which registered</p></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:Security12bTitle" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-314">Common Stock, par value $0.01 per share</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:TradingSymbol" contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-315">OGS</ix:nonNumeric></td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center"><ix:nonNumeric name="dei:SecurityExchangeName" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:exchnameen" id="ixv-316">New York Stock Exchange</ix:nonNumeric></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:1pt">
<td style="vertical-align:top;text-align:center"><span style="font-size:0.5pt;color:#FFFFFF">(indicate by check mark)</span></td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:top"/>
<td style="vertical-align:bottom"/>
<td style="vertical-align:top"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top;text-align:center">NYSE Texas</td></tr></table> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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 <span style="white-space:nowrap">(&#167;240.12b-2</span> of this chapter).</p> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Emerging growth company <ix:nonNumeric name="dei:EntityEmergingGrowthCompany" contextRef="duration_2026-07-13_to_2026-07-13" format="ixt-sec:boolballotbox" id="ixv-317">&#9744;</ix:nonNumeric></p> <p style="margin-top:10pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">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 13(a) of the Exchange Act. &#9744;</p> <p style="font-size:10pt;margin-top:0pt;margin-bottom:0pt">&#160;</p> <div style="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&#160;</div> <div style="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&#160;</div></div></div>

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

<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">

<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:11%;vertical-align:top;text-align:left"><span style="font-weight:bold">Item&#8201;5.02</span></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left"><span style="text-decoration:underline">Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</span>. </p></td></tr></table> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman;font-weight:bold"><span style="font-style:italic"><span style="text-decoration:underline">Directors</span> </span></p> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman">On July&#160;13, 2026, we expanded our Board of Directors from eight to nine members, and Nickolas Stavropoulos was appointed to the Board to fill the additional position. All the current directors will continue as members of the Board. There are no arrangements or understanding between any of our directors and any other persons pursuant to which they are continuing to serve as a director of the company. There are no family relationships between or among any of our directors and executive officers. There are no transactions or relationships between Mr.&#160;Stavropoulos and the company that are reportable under Item 404(a) of Regulation <span style="white-space:nowrap">S-K.</span> </p> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman">Mr.&#160;Stavropoulos, 68, is the retired chief operating officer of Pacific Gas&#160;&amp; Electric (PG&amp;E), a position he held from March 2017 through September 2018. Mr.&#160;Stavropoulos joined PG&amp;E in 2011 and held two other leadership positions in its gas organization. Before joining PG&amp;E, he served as executive vice president and chief operating officer of National Grid from 2007 to 2011. He also held senior leadership roles at KeySpan Energy Delivery, Colonial Gas Company and Boston Gas. He has over 40 years of experience in the energy industry, as well as detailed knowledge of the U.S. natural gas industry. He earned a Bachelor of Science degree in accounting from Bentley University and a Master of Business Administration from Babson College and has completed executive education certificates from Harvard and Massachusetts Institute of Technology. He has served on multiple public company and <span style="white-space:nowrap"><span style="white-space:nowrap">not-for-profit</span></span> boards over his career. He currently serves on the board of directors of Ameresco (NYSE: AMRC). </p> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman">Mr.&#160;Stavropoulos will also serve on our Board as a member of the Board&#8217;s Audit, Corporate Governance and Executive Compensation Committees. </p> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman"><span style="font-style:italic">Director Compensation and Reimbursement </span></p> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman">For service on the Board through May&#160;19, 2027, Mr.&#160;Stavropoulos will receive an annual retainer of $105,000, prorated for the period of time from his appointment to the Board through May&#160;19, 2027. Mr.&#160;Stavropoulos will also receive the currently effective stock retainer of shares of our common stock with a value of $140,000 paid to the members of our Board, similarly prorated, which shares shall be issued pursuant to the Amended and Restated Equity Compensation Plan (2018). As a <span style="white-space:nowrap">non-management</span> director, Mr.&#160;Stavropoulos will also be entitled to participate in our Deferred Compensation Plan for <span style="white-space:nowrap">Non-Employee</span> Directors described under &#8220;Director Compensation&#8221; on pages 19 through 22 of our Proxy Statement relating to our 2026 Annual Meeting of Shareholders, as filed with the United States Securities and Exchange Commission on April&#160;1, 2026 (as such description is incorporated herein by this reference). Additionally, Mr.&#160;Stavropoulos will be reimbursed for expenses related to his attendance at Board and committee meetings. </p>
</div></div>



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

<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">

<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:11%;vertical-align:top;text-align:left"><span style="font-weight:bold">Item&#8201;7.01</span></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left"><span style="text-decoration:underline">Regulation FD Disclosure</span> </p></td></tr></table> <p style="margin-top:6pt; margin-bottom:0pt; margin-left:11%; font-size:10pt; font-family:Times New Roman">We issued a news release on July&#160;13, 2026, announcing the appointment of Mr.&#160;Stavropoulos to our Board, a copy of which is attached as Exhibit 99.1 and which is being furnished and shall not be deemed &#8220;filed&#8221; for purposes of Section&#160;18 of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;), or otherwise subject to the liabilities under that section, nor shall it be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act except as expressly set forth by specific reference in such filing. </p> <p style="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:11%;vertical-align:top;text-align:left"><span style="font-weight:bold">Item&#8201;9.01</span></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:left"><span style="text-decoration:underline">Financial Statements and Exhibits</span> </p></td></tr></table> <p style="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;border-spacing:0;width:100%" cellpadding="0" cellspacing="0">
<tr style="page-break-inside:avoid">
<td style="width:7%">&#160;</td>
<td style="width:4%;vertical-align:top;text-align:left">(d)<span style="text-decoration:underline"></span></td>
<td style="vertical-align:top;text-align:left"> <p style=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;text-align:left"><span style="text-decoration:underline">Exhibits</span> </p></td></tr></table> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0;margin:0 auto">


<tr>

<td/>

<td style="vertical-align:bottom;width:5%"/>
<td style="width:92%"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom;white-space:nowrap;text-align:center"><span style="font-weight:bold">Exhibit<br/>Number</span></td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="border-bottom:1.00pt solid #000000;vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:1pt; font-size:8pt; font-family:Times New Roman;font-weight:bold">Description</p></td></tr>


<tr style="font-size:1pt">
<td style="height:6pt"/>
<td style="height:6pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;white-space:nowrap">99.1</td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:top"><a href="d25881dex991.htm">News release issued by ONE Gas, Inc. dated July&#160;13, 2026. </a></td></tr>
<tr style="font-size:1pt">
<td style="height:6pt"/>
<td style="height:6pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:top;white-space:nowrap">104</td>
<td style="vertical-align:bottom">&#160;&#160;</td>
<td style="vertical-align:top">Cover Page Interactive Data File (embedded within the Inline XBRL document).</td></tr>
</table>
</div></div>



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

<div style="text-align:center"><div style="width:8.5in;text-align:left;margin-left: auto;margin-right: auto">
 <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman;font-weight:bold;text-align:center">SIGNATURE </p> <p style="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Pursuant to the requirements of the Exchange Act, the registrant has duly caused this report to be signed on its behalf by the undersigned, hereunto duly authorized. </p> <p style="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&#160;</p>
<table cellspacing="0" cellpadding="0" style="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt;width:100%;border-spacing:0">


<tr>

<td style="width:45%"/>

<td style="vertical-align:bottom;width:1%"/>
<td style="width:4%"/>

<td style="vertical-align:bottom"/>
<td style="width:3%"/>

<td style="vertical-align:bottom;width:1%"/>
<td style="width:45%"/></tr>


<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom">ONE Gas, Inc.</td></tr>
<tr style="font-size:1pt">
<td style="height:12pt"/>
<td style="height:12pt" colspan="2"/>
<td style="height:12pt" colspan="2"/>
<td style="height:12pt" colspan="2"/></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom">Date: July&#160;13, 2026</td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:top">By:</td>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:1pt; border-bottom:1px solid #000000; font-size:10pt; font-family:Times New Roman">/s/ Brian K. Shore</p></td></tr>
<tr style="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"/>
<td style="vertical-align:bottom">&#160;</td>
<td style="vertical-align:bottom"> <p style="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Brian K. Shore</p> <p style="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman">Vice President, Associate General Counsel and Secretary</p></td></tr>
</table>
</div></div>

</body></html>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>d25881dex991.htm
<DESCRIPTION>EX-99.1
<TEXT>
<HTML><HEAD>
<TITLE>EX-99.1</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE" STYLE="line-height:Normal">

<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Exhibit 99.1 </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>ONE Gas Adds New Member to Board of Directors </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>July&nbsp;13, 2026 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Page 1 </B></P>
<P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt">


<IMG SRC="g25881g0713203850702.jpg" ALT="LOGO">
 </P><DIV STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</DIV> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="64%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="14%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="10%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="9%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>July&nbsp;13, 2026</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B>Analyst&nbsp;Contact:</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Erin Dailey</B></P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B><FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">918-947-7411</FONT></FONT></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"><B>Media Contact:</B></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Leah Harper</B></P> <P STYLE="margin-top:0pt; margin-bottom:1pt; font-size:10pt; font-family:Times New Roman"><B><FONT
STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">918-947-7123</FONT></FONT></B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="top"></TD></TR>
</TABLE> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>ONE Gas Adds New Member to Board of Directors </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">TULSA, Okla. &#8211; July&nbsp;13, 2026 &#8211; ONE Gas, Inc. (NYSE: OGS) has appointed Nickolas Stavropoulos to its board of directors,
effective July&nbsp;13, 2026, expanding its board from eight to nine members. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stavropoulos, 68, is the retired chief operating officer
for Pacific Gas&nbsp;&amp; Electric (PG&amp;E) and National Grid, and the former chief financial officer of Colonial Gas Company. He has over 40 years of experience in the energy industry, as well as detailed knowledge of the U.S. natural gas
industry. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">&#8220;Nick brings extensive knowledge and experience to our board,&#8221; said Deborah A.P. Hersman, ONE Gas chair of the
Board. &#8220;His operational and safety expertise and proven leadership capabilities will greatly benefit our board, shareholders and other stakeholders.&#8221; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stavropoulos has well-rounded experience working in safety, utility operations, information technology, regulatory affairs, strategic
planning, supply chain, finance, sales, business development and marketing. During his time with PG&amp;E, he led a multi-billion dollar recovery and restoration effort to enhance PG&amp;E&#8217;s natural gas system. He has been a strong advocate
for improving safety measures for workers and the public. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Stavropoulos holds a Bachelor of Science degree in accounting from Bentley
University and a Master of Business Administration from Babson College and has completed executive education certificates from Harvard and MIT. He has served on multiple public company and <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">not-for-profit</FONT></FONT> boards over his career. He currently serves on the board of directors of Ameresco (NYSE: AMRC). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"># # # </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>About&nbsp;ONE Gas, Inc.</B></P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always"> </p>
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">

<Center><DIV STYLE="width:8.5in" align="left">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>ONE Gas Adds New Member to Board of Directors </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>July&nbsp;13, 2026 </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B> Page
 2
 </B></P> <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P>
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">ONE Gas, Inc. (NYSE: OGS) is a <FONT STYLE="white-space:nowrap">100-percent</FONT> regulated natural gas
utility, and trades on the New York Stock Exchange and the NYSE Texas under the symbol &#8220;OGS.&#8221; ONE Gas is included in the S&amp;P&nbsp;MidCap&nbsp;400 Index and is one of the largest natural gas utilities in the United States. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Headquartered in Tulsa, Oklahoma, ONE Gas provides a reliable and affordable energy choice to more than 2.3&nbsp;million customers in Kansas, Oklahoma and
Texas. Its divisions include Kansas Gas Service, the largest natural gas distributor in Kansas; Oklahoma Natural Gas, the largest in Oklahoma; and Texas Gas Service, the third largest in Texas, in terms of customers. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For more information and the latest news about ONE Gas, visit <U>onegas.com</U> and follow its social channels: <U>@ONEGas</U>, <U>Facebook</U>,
<U>LinkedIn</U> and <U>YouTube</U>. </P>
</DIV></Center>

</BODY></HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>3
<FILENAME>ogs-20260713.xsd
<DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
<TEXT>
<XBRL>
<?xml version="1.0" encoding="us-ascii"?>
<!-- DFIN - https://www.dfinsolutions.com/ -->
<!-- CTU Version: Release 2610 Build:20260610.1 -->
<!-- Creation date: 7/13/2026 9:36:13 PM Eastern Time -->
<!-- Copyright (c) 2026 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/2025"
  xmlns:ogs="http://www.onegas.com/20260713"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  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:srt="http://fasb.org/srt/2025"
  xmlns:stpr="http://xbrl.sec.gov/stpr/2025"
  attributeFormDefault="unqualified"
  elementFormDefault="qualified"
  targetNamespace="http://www.onegas.com/20260713"
  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/2025/dei-2025.xsd" namespace="http://xbrl.sec.gov/dei/2025" />
    <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="https://xbrl.sec.gov/naics/2025/naics-2025.xsd" namespace="http://xbrl.sec.gov/naics/2025" />
    <xsd:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
    <xsd:import schemaLocation="https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd" namespace="http://fasb.org/srt/2025" />
    <xsd:import schemaLocation="https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd" namespace="http://xbrl.sec.gov/stpr/2025" />
  <xsd:annotation>
    <xsd:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="ogs-20260713_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="ogs-20260713_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:title="Presentation Links, all" xlink:type="simple" />
      <link:roleType roleURI="http://www.onegas.com//20260713/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:schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.LAB
<SEQUENCE>4
<FILENAME>ogs-20260713_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 2610 Build:20260610.1 -->
<!-- Creation date: 7/13/2026 9:36:13 PM Eastern Time -->
<!-- Copyright (c) 2026 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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressStateOrProvince" xlink:to="dei_EntityAddressStateOrProvince_lbl" />
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
    <link:label xml:lang="en-US" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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/2025/dei-2025.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:labelLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>5
<FILENAME>ogs-20260713_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 2610 Build:20260610.1 -->
<!-- Creation date: 7/13/2026 9:36:14 PM Eastern Time -->
<!-- Copyright (c) 2026 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.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation" xlink:href="ogs-20260713.xsd#Role_DocumentDocumentAndEntityInformation" xlink:type="simple" />
  <link:presentationLink xlink:type="extended" xlink:role="http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation">
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_CoverAbstract" xlink:type="locator" xlink:label="dei_CoverAbstract" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_AmendmentFlag" order="22.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityCentralIndexKey" order="23.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_DocumentType" order="25.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_DocumentPeriodEndDate" order="26.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityRegistrantName" order="27.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityIncorporationStateCountryCode" order="28.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityFileNumber" order="29.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityTaxIdentificationNumber" order="30.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityAddressAddressLine1" order="31.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityAddressCityOrTown" order="32.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.xsd#dei_EntityAddressStateOrProvince" xlink:type="locator" xlink:label="dei_EntityAddressStateOrProvince" />
    <link:presentationArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="dei_CoverAbstract" xlink:to="dei_EntityAddressStateOrProvince" order="33.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityAddressPostalZipCode" order="34.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_CityAreaCode" order="35.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_LocalPhoneNumber" order="36.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_WrittenCommunications" order="37.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_SolicitingMaterial" order="38.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_PreCommencementTenderOffer" order="39.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_PreCommencementIssuerTenderOffer" order="40.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_Security12bTitle" order="41.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_TradingSymbol" order="42.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_SecurityExchangeName" order="43.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
    <link:loc xlink:href="https://xbrl.sec.gov/dei/2025/dei-2025.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="dei_CoverAbstract" xlink:to="dei_EntityEmergingGrowthCompany" order="44.001" priority="2" use="optional" preferredLabel="http://www.xbrl.org/2003/role/terseLabel" />
  </link:presentationLink>
</link:linkbase>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>g25881g0713203850702.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
begin 644 g25881g0713203850702.jpg
M_]C_X  02D9)1@ ! 0$ 8 !@  #_VP!#  ," @," @,# P,$ P,$!0@%!00$
M!0H'!P8(# H,# L*"PL-#A(0#0X1#@L+$!80$1,4%145# \7&!84&!(4%13_
MVP!# 0,$! 4$!0D%!0D4#0L-%!04%!04%!04%!04%!04%!04%!04%!04%!04
M%!04%!04%!04%!04%!04%!04%!04%!3_P  1" !B FX# 2(  A$! Q$!_\0
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M "BBB@ HHHH **** "BBB@ HHHH **** "BBB@ HHHH **** "BBB@ HHHH
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M36+F"\U((!//;1F.-V]54DD#\: -.BBB@ HHHH **** "BBB@ HHHH ****
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M^>0+"00GU!)'UQ7T)\!/C[HWQX\.-J&G*UI?6[".\L)3\\+?U'O0!ZI1110
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ML;2)IYYI#A411DD_@* +LCE,<9J&._@F<HDT;R#JJL"17RY\,/$FN_MEF_\
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MD7[HH 6BBB@ HHHH **** "BBB@ HHHH **** "BBB@ HHHH **** "BBB@
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MC;=0,0?H2N?RK];?&GBO3_ _A/5=?U27RK#3;=[F5NY"C.![DX 'J17X_?\
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M>4\J!BF0,XSTS@?E0!\\?"S]O;X2_$#PO;:AJNO1^"]391]ITOQ K6TD3]"
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M)10 TIDCI^5)Y8^OX4^B@!GE@"G#@4M% !1110 4444 %%%% !1110 4444
M%%%% !1110 4444 %%%% !1110 4444 %%%% !1110 4444 %%%% !1110 4
M444 %%%% !1110 4444 %%%% !1110 4444 %%%% !1110 4444"8C=*#]VB
MBD(1>M.HHI1V'U"BBBJ&%%%% !1110 4444 %%%% !1110 4444 %%%% !11
M10 4444 %%%% !1110 4444 %%%% !1110 4444 %%%% !1110 4444 %%%%
M !1110 4444 %%%% !1110 4444 %%%% !1110 4444 %%%% !1110 4444
3%%%% !1110 4444 %%%% '__V0$!

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>8
<FILENAME>R1.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/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;">v3.26.1</span><table class="report" border="0" cellspacing="2" id="id2">
<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>Jul. 13, 2026</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CoverAbstract', window );"><strong>Cover [Abstract]</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="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="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001587732<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Jul. 13,  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="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">ONE Gas, Inc.<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation State Country Code</a></td>
<td class="text">OK<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-36108<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">46-3561936<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">15 East Fifth Street<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Tulsa<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">OK<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">74103<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(918)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">947-7000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_WrittenCommunications', window );">Written Communications</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="Show.showAR( this, 'defref_dei_SolicitingMaterial', window );">Soliciting Material</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="Show.showAR( this, 'defref_dei_PreCommencementTenderOffer', window );">Pre Commencement 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="Show.showAR( this, 'defref_dei_PreCommencementIssuerTenderOffer', window );">Pre Commencement Issuer 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="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Security 12b Title</a></td>
<td class="text">Common Stock, par value $0.01 per share<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">OGS<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NYSE<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_CoverAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_CoverAbstract</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: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_DocumentPeriodEndDate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_EntityAddressPostalZipCode">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_EntityAddressStateOrProvince">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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_EntityAddressStateOrProvince</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:stateOrProvinceItemType</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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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-2<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="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-2<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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-2<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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-2<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="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="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 14a<br> -Subsection 12<br></p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="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>
</div>
</body>
</html>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>9
<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>10
<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>12
<FILENAME>FilingSummary.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>1</ContextCount>
  <ElementCount>22</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>0</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>0</UnitCount>
  <MyReports>
    <Report instance="d25881d8k.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.onegas.com//20260713/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" isOnlyDei="true" original="d25881d8k.htm">d25881d8k.htm</File>
    <File>ogs-20260713.xsd</File>
    <File>ogs-20260713_lab.xml</File>
    <File>ogs-20260713_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="22">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>JSON
<SEQUENCE>14
<FILENAME>MetaLinks.json
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
{
 "version": "2.2",
 "instance": {
  "d25881d8k.htm": {
   "nsprefix": "ogs",
   "nsuri": "http://www.onegas.com/20260713",
   "dts": {
    "inline": {
     "local": [
      "d25881d8k.htm"
     ]
    },
    "schema": {
     "local": [
      "ogs-20260713.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",
      "http://www.xbrl.org/2005/xbrldt-2005.xsd",
      "http://www.xbrl.org/2006/ref-2006-02-27.xsd",
      "http://www.xbrl.org/dtr/type/nonNumeric-2009-12-16.xsd",
      "http://www.xbrl.org/dtr/type/numeric-2009-12-16.xsd",
      "https://www.xbrl.org/2020/extensible-enumerations-2.0.xsd",
      "https://www.xbrl.org/dtr/type/2020-01-21/types.xsd",
      "https://www.xbrl.org/dtr/type/2024-01-31/types.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-roles-2025.xsd",
      "https://xbrl.fasb.org/srt/2025/elts/srt-types-2025.xsd",
      "https://xbrl.sec.gov/country/2025/country-2025.xsd",
      "https://xbrl.sec.gov/dei/2025/dei-2025.xsd",
      "https://xbrl.sec.gov/naics/2025/naics-2025.xsd",
      "https://xbrl.sec.gov/stpr/2025/stpr-2025.xsd"
     ]
    },
    "labelLink": {
     "local": [
      "ogs-20260713_lab.xml"
     ]
    },
    "presentationLink": {
     "local": [
      "ogs-20260713_pre.xml"
     ]
    }
   },
   "keyStandard": 22,
   "keyCustom": 0,
   "axisStandard": 0,
   "axisCustom": 0,
   "memberStandard": 0,
   "memberCustom": 0,
   "hidden": {
    "total": 2,
    "http://xbrl.sec.gov/dei/2025": 2
   },
   "contextCount": 1,
   "entityCount": 1,
   "segmentCount": 0,
   "elementCount": 23,
   "unitCount": 0,
   "baseTaxonomies": {
    "http://xbrl.sec.gov/dei/2025": 22
   },
   "report": {
    "R1": {
     "role": "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation",
     "longName": "100000 - Document - Document and Entity Information",
     "shortName": "Document and Entity Information",
     "isDefault": "true",
     "groupType": "document",
     "subGroupType": "",
     "menuCat": "Cover",
     "order": "1",
     "firstAnchor": {
      "contextRef": "duration_2026-07-13_to_2026-07-13",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d25881d8k.htm",
      "first": true,
      "unique": true
     },
     "uniqueAnchor": {
      "contextRef": "duration_2026-07-13_to_2026-07-13",
      "name": "dei:DocumentType",
      "unitRef": null,
      "xsiNil": "false",
      "lang": "en-US",
      "decimals": null,
      "ancestors": [
       "span",
       "p",
       "div",
       "div",
       "body",
       "html"
      ],
      "reportCount": 1,
      "baseRef": "d25881d8k.htm",
      "first": true,
      "unique": true
     }
    }
   },
   "tag": {
    "dei_AmendmentFlag": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "AmendmentFlag",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Amendment Flag",
        "terseLabel": "Amendment Flag",
        "documentation": "Boolean flag that is true when the XBRL content amends previously-filed or accepted submission."
       }
      }
     },
     "auth_ref": []
    },
    "dei_CityAreaCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CityAreaCode",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "City Area Code",
        "terseLabel": "City Area Code",
        "documentation": "Area code of city"
       }
      }
     },
     "auth_ref": []
    },
    "dei_CoverAbstract": {
     "xbrltype": "stringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "CoverAbstract",
     "lang": {
      "en-us": {
       "role": {
        "label": "Cover [Abstract]",
        "terseLabel": "Cover [Abstract]",
        "documentation": "Cover page."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentPeriodEndDate": {
     "xbrltype": "dateItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentPeriodEndDate",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Period End Date",
        "terseLabel": "Document Period End Date",
        "documentation": "For the EDGAR submission types of Form 8-K: the date of the report, the date of the earliest event reported; for the EDGAR submission types of Form N-1A: the filing date; for all other submission types: the end of the reporting or transition period. The format of the date is YYYY-MM-DD."
       }
      }
     },
     "auth_ref": []
    },
    "dei_DocumentType": {
     "xbrltype": "submissionTypeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "DocumentType",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Document Type",
        "terseLabel": "Document Type",
        "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'."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressAddressLine1": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressAddressLine1",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Address Line One",
        "terseLabel": "Entity Address, Address Line One",
        "documentation": "Address Line 1 such as Attn, Building Name, Street Name"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressCityOrTown": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressCityOrTown",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, City or Town",
        "terseLabel": "Entity Address, City or Town",
        "documentation": "Name of the City or Town"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressPostalZipCode": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressPostalZipCode",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, Postal Zip Code",
        "terseLabel": "Entity Address, Postal Zip Code",
        "documentation": "Code for the postal or zip code"
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityAddressStateOrProvince": {
     "xbrltype": "stateOrProvinceItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityAddressStateOrProvince",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Address, State or Province",
        "terseLabel": "Entity Address, State or Province",
        "documentation": "Name of the state or province."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityCentralIndexKey": {
     "xbrltype": "centralIndexKeyItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityCentralIndexKey",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Central Index Key",
        "terseLabel": "Entity Central Index Key",
        "documentation": "A unique 10-digit SEC-issued value to identify entities that have filed disclosures with the SEC. It is commonly abbreviated as CIK."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityEmergingGrowthCompany": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityEmergingGrowthCompany",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Emerging Growth Company",
        "terseLabel": "Entity Emerging Growth Company",
        "documentation": "Indicate if registrant meets the emerging growth company criteria."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityFileNumber": {
     "xbrltype": "fileNumberItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityFileNumber",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity File Number",
        "terseLabel": "Entity File Number",
        "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."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityIncorporationStateCountryCode": {
     "xbrltype": "edgarStateCountryItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityIncorporationStateCountryCode",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Incorporation State Country Code",
        "terseLabel": "Entity Incorporation State Country Code",
        "documentation": "Two-character EDGAR code representing the state or country of incorporation."
       }
      }
     },
     "auth_ref": []
    },
    "dei_EntityRegistrantName": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityRegistrantName",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Registrant Name",
        "terseLabel": "Entity Registrant Name",
        "documentation": "The exact name of the entity filing the report as specified in its charter, which is required by forms filed with the SEC."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_EntityTaxIdentificationNumber": {
     "xbrltype": "employerIdItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "EntityTaxIdentificationNumber",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Entity Tax Identification Number",
        "terseLabel": "Entity Tax Identification Number",
        "documentation": "The Tax Identification Number (TIN), also known as an Employer Identification Number (EIN), is a unique 9-digit value assigned by the IRS."
       }
      }
     },
     "auth_ref": [
      "r1"
     ]
    },
    "dei_LocalPhoneNumber": {
     "xbrltype": "normalizedStringItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "LocalPhoneNumber",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Local Phone Number",
        "terseLabel": "Local Phone Number",
        "documentation": "Local phone number for entity."
       }
      }
     },
     "auth_ref": []
    },
    "dei_PreCommencementIssuerTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "PreCommencementIssuerTenderOffer",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre Commencement Issuer Tender Offer",
        "terseLabel": "Pre Commencement Issuer Tender Offer",
        "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."
       }
      }
     },
     "auth_ref": [
      "r3"
     ]
    },
    "dei_PreCommencementTenderOffer": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "PreCommencementTenderOffer",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Pre Commencement Tender Offer",
        "terseLabel": "Pre Commencement Tender Offer",
        "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."
       }
      }
     },
     "auth_ref": [
      "r5"
     ]
    },
    "dei_Security12bTitle": {
     "xbrltype": "securityTitleItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "Security12bTitle",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security 12b Title",
        "terseLabel": "Security 12b Title",
        "documentation": "Title of a 12(b) registered security."
       }
      }
     },
     "auth_ref": [
      "r0"
     ]
    },
    "dei_SecurityExchangeName": {
     "xbrltype": "edgarExchangeCodeItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SecurityExchangeName",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Security Exchange Name",
        "terseLabel": "Security Exchange Name",
        "documentation": "Name of the Exchange on which a security is registered."
       }
      }
     },
     "auth_ref": [
      "r2"
     ]
    },
    "dei_SolicitingMaterial": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "SolicitingMaterial",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Soliciting Material",
        "terseLabel": "Soliciting Material",
        "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."
       }
      }
     },
     "auth_ref": [
      "r4"
     ]
    },
    "dei_TradingSymbol": {
     "xbrltype": "tradingSymbolItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "TradingSymbol",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Trading Symbol",
        "terseLabel": "Trading Symbol",
        "documentation": "Trading symbol of an instrument as listed on an exchange."
       }
      }
     },
     "auth_ref": []
    },
    "dei_WrittenCommunications": {
     "xbrltype": "booleanItemType",
     "nsuri": "http://xbrl.sec.gov/dei/2025",
     "localname": "WrittenCommunications",
     "presentation": [
      "http://www.onegas.com//20260713/taxonomy/role/DocumentDocumentAndEntityInformation"
     ],
     "lang": {
      "en-us": {
       "role": {
        "label": "Written Communications",
        "terseLabel": "Written Communications",
        "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."
       }
      }
     },
     "auth_ref": [
      "r6"
     ]
    }
   }
  }
 },
 "std_ref": {
  "r0": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b"
  },
  "r1": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "b-2"
  },
  "r2": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "12",
   "Subsection": "d1-1"
  },
  "r3": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "13e",
   "Subsection": "4c"
  },
  "r4": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14a",
   "Subsection": "12"
  },
  "r5": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Exchange Act",
   "Number": "240",
   "Section": "14d",
   "Subsection": "2b"
  },
  "r6": {
   "role": "http://www.xbrl.org/2003/role/presentationRef",
   "Publisher": "SEC",
   "Name": "Securities Act",
   "Number": "230",
   "Section": "425"
  }
 }
}
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>ZIP
<SEQUENCE>15
<FILENAME>0001193125-26-302034-xbrl.zip
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
begin 644 0001193125-26-302034-xbrl.zip
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MN53_,HU][CGH<C+2&1-;9>M!!WU[ZLG]:A\!Z-S*!UDXS%NIHLU6\ 3@[WS
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M>((LTJU [B#*)_![!': ?\ND>K6,FG\%SVZHT0"?!#<L*!6+590@)#]/?@<
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MMC#K]_#JI=OKS5,S<>CZ U!+ P04    " #FH>U<'H65:EL&  "\0P  %
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M   -              "  0    !D,C4X.#%D.&LN:'1M4$L! A0#%     @
MYJ'M7(5CIDIE"   FAP  !               ( !;A0  &0R-3@X,61E>#DY
M,2YH=&U02P$"% ,4    " #FH>U<:F&=D68#  ".#   $
M@ $!'0  ;V=S+3(P,C8P-S$S+GAS9%!+ 0(4 Q0    ( .:A[5P>A95J6P8
M +Q#   4              "  94@  !O9W,M,C R-C W,3-?;&%B+GAM;%!+
M 0(4 Q0    ( .:A[5QG6O"ZL00  '4J   4              "  2(G  !O
I9W,M,C R-C W,3-?<')E+GAM;%!+!08     !0 % #L!   %+      !

end
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>16
<FILENAME>d25881d8k_htm.xml
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<XML>
<?xml version="1.0" encoding="utf-8"?>
<xbrl
  xmlns="http://www.xbrl.org/2003/instance"
  xmlns:dei="http://xbrl.sec.gov/dei/2025"
  xmlns:link="http://www.xbrl.org/2003/linkbase"
  xmlns:xlink="http://www.w3.org/1999/xlink">
    <link:schemaRef xlink:href="ogs-20260713.xsd" xlink:type="simple"/>
    <context id="duration_2026-07-13_to_2026-07-13">
        <entity>
            <identifier scheme="http://www.sec.gov/CIK">0001587732</identifier>
        </entity>
        <period>
            <startDate>2026-07-13</startDate>
            <endDate>2026-07-13</endDate>
        </period>
    </context>
    <dei:AmendmentFlag contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-287">false</dei:AmendmentFlag>
    <dei:EntityCentralIndexKey
      contextRef="duration_2026-07-13_to_2026-07-13"
      id="Hidden_dei_EntityCentralIndexKey">0001587732</dei:EntityCentralIndexKey>
    <dei:DocumentType contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-298">8-K</dei:DocumentType>
    <dei:DocumentPeriodEndDate contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-299">2026-07-13</dei:DocumentPeriodEndDate>
    <dei:EntityRegistrantName contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-300">ONE Gas, Inc.</dei:EntityRegistrantName>
    <dei:EntityIncorporationStateCountryCode contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-301">OK</dei:EntityIncorporationStateCountryCode>
    <dei:EntityFileNumber contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-302">001-36108</dei:EntityFileNumber>
    <dei:EntityTaxIdentificationNumber contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-303">46-3561936</dei:EntityTaxIdentificationNumber>
    <dei:EntityAddressAddressLine1 contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-304">15 East Fifth Street</dei:EntityAddressAddressLine1>
    <dei:EntityAddressCityOrTown contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-305">Tulsa</dei:EntityAddressCityOrTown>
    <dei:EntityAddressStateOrProvince contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-306">OK</dei:EntityAddressStateOrProvince>
    <dei:EntityAddressPostalZipCode contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-307">74103</dei:EntityAddressPostalZipCode>
    <dei:CityAreaCode contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-308">(918)</dei:CityAreaCode>
    <dei:LocalPhoneNumber contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-309">947-7000</dei:LocalPhoneNumber>
    <dei:WrittenCommunications contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-310">false</dei:WrittenCommunications>
    <dei:SolicitingMaterial contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-311">false</dei:SolicitingMaterial>
    <dei:PreCommencementTenderOffer contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-312">false</dei:PreCommencementTenderOffer>
    <dei:PreCommencementIssuerTenderOffer contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-313">false</dei:PreCommencementIssuerTenderOffer>
    <dei:Security12bTitle contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-314">Common Stock, par value $0.01 per share</dei:Security12bTitle>
    <dei:TradingSymbol contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-315">OGS</dei:TradingSymbol>
    <dei:SecurityExchangeName contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-316">NYSE</dei:SecurityExchangeName>
    <dei:EntityEmergingGrowthCompany contextRef="duration_2026-07-13_to_2026-07-13" id="ixv-317">false</dei:EntityEmergingGrowthCompany>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
