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ACQUISITIONS AND DIVESTITURES - 2021 Activity (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Business Acquisition [Line Items]          
Proceeds from asset divestitures     $ 778 $ 256 $ 166
Payments to acquire leasehold and property     37 9 4
Permian Region          
Business Acquisition [Line Items]          
Payments to acquire leasehold and property     $ 37 $ 9 4
Permian Region | Disposal Group, Disposed of by Sale, Not Discontinued Operations          
Business Acquisition [Line Items]          
Carrying value of non-core assets disposed $ 157        
Proceeds from asset divestitures 176 $ 80     87
Asset retirement obligation assumed 44        
Gain (loss) on sale of oil and gas properties $ 63 $ 4     $ 13