Additional Balance Sheet Information (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Accounts receivable, net
Trade accounts	$ 594	$ 1,067
Joint interest accounts	134	108
Other accounts	1	48
Accounts receivable, gross	729	1,223
Allowance for credit losses	(2)	(2)
Accounts receivable, net	727	1,221
Other assets
Deferred compensation plan	32	43
Debt issuance costs	8	3
Operating lease right-of-use assets	358	382
Other accounts	62	36
Other assets	460	464
Accounts payable
Trade accounts	68	27
Royalty and other owners	266	438
Accrued transportation	55	85
Accrued capital costs	175	148
Taxes other than income	7	73
Accrued lease operating costs	38	32
Other accounts	34	41
Accounts payable	643	844
Accrued liabilities
Employee benefits	53	74
Taxes other than income	55	62
Restructuring liability	40	39
Operating lease liabilities	115	114
Financing lease liabilities	6	6
Other accounts	47	33
Accrued liabilities	316	328
Other liabilities
Deferred compensation plan	32	55
Postretirement benefits	15	17
Operating lease liabilities	260	287
Financing lease liabilities	7	11
Restructuring liability	19	38
Other accounts	103	92
Other liabilities	$ 436	$ 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