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ACQUISITIONS, DIVESTITURES AND OTHER TRANSACTIONS - AQCUISITION-RELATED COSTS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Business Acquisition [Line Items] |  |  |
Total | $ 153 | $ 339 | $ 1,647
Anadarko Petroleum Corporation |  |  |
Business Acquisition [Line Items] |  |  |
Employee severance and related employee cost | 117 | 314 | 1,033
IT costs | 36 | 9 | 15
Licensing fees for critical seismic data | 0 | 0 | 401
Bank, legal, consulting and other | 0 | 16 | 198
Total | $ 153 | $ 339 | $ 1,647

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