ASSET RETIREMENT OBLIGATION (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Asset retirement obligation at the beginning of period				$ 2,130
Liabilities incurred				2
Liabilities settled				(16)
Liabilities divested				(4)
Deconsolidation of Altus				(69)
Accretion expense		$ 29	$ 28	58	$ 56
Asset retirement obligation at the end of period		2,101		2,101
Less current portion		(40)		(40)		$ (41)
Asset retirement obligation, long-term	[1]	$ 2,061		$ 2,061		$ 2,089

[1] The Altus VIE amounts are disclosed as of December 31, 2021. All Altus balances were deconsolidated as of February 22, 2022. Refer to Note 1—Summary of Significant Accounting Policies and Note 3—Acquisitions and Divestitures for further detail.