    <SEC-DOCUMENT>0001039684-20-000054-index.html : 20200728
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    <ACCEPTANCE-DATETIME>20200728171010
    ACCESSION NUMBER:		0001039684-20-000054
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		31
    CONFORMED PERIOD OF REPORT:	20200728
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Regulation FD Disclosure
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20200728
    DATE AS OF CHANGE:		20200728

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			ONEOK INC /NEW/
    		CENTRAL INDEX KEY:			0001039684
    		STANDARD INDUSTRIAL CLASSIFICATION:	NATURAL GAS TRANSMISSION & DISTRIBUTION [4923]
    		IRS NUMBER:				731520922
    		STATE OF INCORPORATION:			OK
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-13643
    		FILM NUMBER:		201054676

    	BUSINESS ADDRESS:
    		STREET 1:		100 WEST 5TH ST
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74103
    		BUSINESS PHONE:		9185887000

    	MAIL ADDRESS:
    		STREET 1:		100 WEST 5TH ST
    		CITY:			TULSA
    		STATE:			OK
    		ZIP:			74103

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	WAI INC
    		DATE OF NAME CHANGE:	19970519
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>okeq22020earningsrelea.htm
    <DESCRIPTION>Q2 2020 EARNINGS RELEASE
    <TEXT>
    Document 1 - file: okeq22020earningsrelea.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-99.1
    <SEQUENCE>2
    <FILENAME>okeq22020earningsrelease.htm
    <DESCRIPTION>Q2 2020 EARNINGS RELEASE NEWS RELEASE
    <TEXT>
    Document 2 - file: okeq22020earningsrelease.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>oks-20200728.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: oks-20200728.xsd

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    <DOCUMENT>
    <TYPE>EX-101.CAL
    <SEQUENCE>4
    <FILENAME>oks-20200728_cal.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT
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    <TYPE>EX-101.LAB
    <SEQUENCE>6
    <FILENAME>oks-20200728_lab.xml
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    <TYPE>EX-101.PRE
    <SEQUENCE>7
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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>okelogo.jpg
    <TEXT>
    Document 8 - file: okelogo.jpg

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    <SEQUENCE>9
    <FILENAME>okeq22020earningsrelease001.jpg
    <TEXT>
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    <SEQUENCE>10
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    <FILENAME>okeq22020earningsrelease004.jpg
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    Document 12 - file: okeq22020earningsrelease004.jpg

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    <SEQUENCE>13
    <FILENAME>okeq22020earningsrelease005.jpg
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    <FILENAME>okeq22020earningsrelease009.jpg
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    <SEQUENCE>18
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    <FILENAME>okeq22020earningsrelease011.jpg
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    <FILENAME>okeq22020earningsrelease012.jpg
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    <SEQUENCE>21
    <FILENAME>okeq22020earningsrelease013.jpg
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    Document 21 - file: okeq22020earningsrelease013.jpg

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    <SEQUENCE>22
    <FILENAME>okeq22020earningsrelease014.jpg
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    <SEQUENCE>23
    <FILENAME>okeq22020earningsrelease015.jpg
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    Document 23 - file: okeq22020earningsrelease015.jpg

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    <TYPE>XML
    <SEQUENCE>24
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    <TYPE>XML
    <SEQUENCE>25
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    Document 25 - file: R1.htm

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>26
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 26 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>27
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 27 - file: Show.js

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    <TYPE>XML
    <SEQUENCE>28
    <FILENAME>report.css
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    <TEXT>
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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>29
    <FILENAME>FilingSummary.xml
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    <TYPE>JSON
    <SEQUENCE>31
    <FILENAME>MetaLinks.json
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    <TEXT>
    Document 31 - file: MetaLinks.json

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    <TYPE>ZIP
    <SEQUENCE>32
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