    <SEC-DOCUMENT>0001039684-22-000012-index.html : 20220228
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    <ACCEPTANCE-DATETIME>20220228164622
    ACCESSION NUMBER:		0001039684-22-000012
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		44
    CONFORMED PERIOD OF REPORT:	20220223
    ITEM INFORMATION:		Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20220228
    DATE AS OF CHANGE:		20220228

    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:		22690659

    	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>oke-20220223.htm
    <DESCRIPTION>AMENDED BY-LAWS 2022
    <TEXT>
    Document 1 - file: oke-20220223.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-3.1
    <SEQUENCE>2
    <FILENAME>amendedandrestatedbylaws.htm
    <DESCRIPTION>AMENDED AND RESTATED BY-LAWS FEB 2022
    <TEXT>
    Document 2 - file: amendedandrestatedbylaws.htm

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