Additional Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts receivable, net
Trade accounts	$ 1,067	$ 922
Joint interest accounts	108	83
Other accounts	48	34
Accounts receivable, gross	1,223	1,039
Allowance for doubtful accounts	(2)	(2)
Accounts receivable, net	1,221	1,037
Other assets
Deferred compensation plan	43	47
Debt issuance cost	3	5
Operating lease right-of-use assets	382	317
Other accounts	36	20
Other assets	464	389
Accounts payable
Trade accounts	27	94
Royalty and other owners	438	315
Accrued transportation	85	96
Accrued capital costs	148	88
Accrued lease operating costs	32	29
Taxes other than income	73	60
Other accounts	41	65
Accounts payable	844	747
Accrued liabilities
Employee benefits	74	81
Taxes other than income	62	13
Restructuring liability	39	43
Operating lease liabilities	114	69
Financing lease liabilities	6	14
Other accounts	33	40
Accrued liabilities	328	260
Other liabilities
Deferred compensation plan	55	56
Postretirement benefits	17	33	$ 31
Operating lease liabilities	287	248
Financing lease liabilities	11	7
Restructuring liability	38	0
Other accounts	92	63
Other liabilities	$ 500	$ 407
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
Operating lease, liability, current, statement of financial position [Extensible List]	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