Additional Balance Sheet Information (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Accounts receivable, net
Trade accounts	$ 434	$ 1,067
Joint interest accounts	169	108
Other accounts	3	48
Accounts receivable, gross	606	1,223
Allowance for credit losses	(2)	(2)
Accounts receivable, net	604	1,221
Other assets
Deferred compensation plan	47	43
Debt issuance costs	9	3
Operating lease right-of-use assets	357	382
Other accounts	25	36
Other assets	438	464
Accounts payable
Trade accounts	75	27
Royalty and other owners	208	438
Accrued transportation	77	85
Accrued capital costs	180	148
Taxes other than income	5	73
Accrued lease operating costs	41	32
Other accounts	40	41
Accounts payable	626	844
Accrued liabilities
Employee benefits	37	74
Taxes other than income	48	62
Restructuring liability	41	39
Operating lease liabilities	115	114
Financing lease liabilities	6	6
Other accounts	47	33
Accrued liabilities	294	328
Other liabilities
Deferred compensation plan	47	55
Postretirement benefits	16	17
Operating lease liabilities	260	287
Financing lease liabilities	9	11
Restructuring liability	29	38
Other accounts	95	92
Other liabilities	$ 456	$ 500
Operating lease, right-of-use asset, statement of financial position [Extensible List]	Other assets	Other assets
Operating lease, liability, current, statement of financial position [Extensible List]	Accrued liabilities	Accrued liabilities
Finance lease, liability, current, statement of financial position [Extensible Enumeration]	Accrued liabilities	Accrued liabilities
Operating lease, liability, noncurrent, statement of financial position [Extensible List]	Other liabilities	Other liabilities
Finance lease, liability, noncurrent, statement of financial position [Extensible Enumeration]	Other liabilities	Other liabilities