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MAGELLAN ACQUISITION - Acquisition Consideration (Details) - Magellan Acquisition $ / shares in Units, $ in Millions | Sep. 25, 2023 USD ($) $ / shares shares
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Business Combination Segment Allocation [Line Items] |
Magellan public common units outstanding (in share) | shares | 202,100,000
Cash consideration per Magellan unit (in dollars per share) | $ / shares | $ 25.00
Cash consideration | $ 5,052
ONEOK exchange ratio per Magellan unit (in shares) | shares | 0.667
Shares of ONEOK common stock issued (in shares) | shares | 134,800,000
ONEOK common stock closing price on September 25, 2023 (in dollars per share) | $ / shares | $ 66.54
Equity consideration | $ 9,062
Total consideration | 14,114
Common Stock |
Business Combination Segment Allocation [Line Items] |
Equity consideration | 8,969
Replacement Equity Awards |
Business Combination Segment Allocation [Line Items] |
Equity consideration | $ 93

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