CONSOLIDATED BALANCE SHEET (Unaudited) (Parenthetical) - USD ($) $ in Millions		Mar. 31, 2022	Dec. 31, 2021
Cash and cash equivalents	[1]	$ 144	$ 279
Receivables net of allowance	[1]	1,625	1,390
Receivables, allowance		111	109
Other current assets	[1]	695	649
Gathering, processing and transmission facilities	[1]	464	673
Other property and equipment	[1]	1,123	1,126
Accumulated Depreciation Depletion And Amortization Property And Equipment Including Finance Lease Oil And Gas Properties	[1]	34,058	34,213
Equity method interests	[1]	576	1,365
Deferred charges and other	[1]	583	581
Accounts payable	[1]	633	651
Other current liabilities	[1]	1,222	1,170
Asset retirement obligation	[1]	2,043	2,089
Other current liabilities	[1]	$ 510	$ 572
Common stock, par value (in USD per share)		$ 0.625	$ 0.625
Common stock, shares authorized (in shares)		1,000	1,000
Common stock, shares issued (in shares)		1,000	1,000
Altus VIE
Cash and cash equivalents			$ 132
Other current assets			9
Gathering, processing and transmission facilities			209
Other property and equipment			3
Accumulated Depreciation Depletion And Amortization Property And Equipment Including Finance Lease Oil And Gas Properties			25
Equity method interests			1,365
Deferred charges and other			6
Accounts payable			12
Other current liabilities			15
LONG-TERM DEBT			657
Asset retirement obligation			68
Other current liabilities			$ 67

[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.