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OTHER BALANCE SHEET INFORMATION - Accrued Liabilities (Details) - USD ($)
$ in Millions
Mar. 31, 2022
Dec. 31, 2021
Accrued liabilities current [abstract]    
Accrued employee-related costs $ 41 $ 61
Accrued taxes other than on income 30 30
Asset retirement obligations 48 51
Accrued interest 9 19
Lease liability 10 11
Premiums due on derivative contracts 69 57
Liability for settlement payments on derivative contracts 85 25
Amounts due under production-sharing contracts 33 14
Other 37 29
Accrued liabilities $ 362 $ 297