Consolidated Statements of Income - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues and other income:
Revenues from contracts with customers	$ 7,540	$ 5,601	$ 3,097
Net gain (loss) on commodity derivatives	(114)	(383)	116
Income (loss) from equity method investments	613	253	(161)
Net gain (loss) on disposal of assets	(38)	(19)	9
Other income	35	15	25
Total revenues and other income	8,036	5,467	3,086
Costs and expenses:
Production	690	534	555
Shipping, handling and other operating	733	727	596
Exploration	110	136	181
Depreciation, depletion and amortization	1,753	2,066	2,316
Impairments	7	60	144
Taxes other than income	484	345	200
General and administrative	308	291	274
Total costs and expenses	4,085	4,159	4,266
Income (loss) from operations	3,951	1,308	(1,180)
Net interest and other	(188)	(188)	(256)
Other net periodic benefit (costs) credits	16	5	(1)
Loss on early extinguishment of debt	0	(121)	(28)
Income (loss) before income taxes	3,779	1,004	(1,465)
Provision (benefit) for income taxes	167	58	(14)
Net income (loss)	$ 3,612	$ 946	$ (1,451)
Earnings Per Share [Abstract]
Basic (in dollars per share)	$ 5.27	$ 1.20	$ (1.83)
Diluted (in dollars per share)	$ 5.26	$ 1.20	$ (1.83)
Weighted average common shares outstanding:
Basic (in shares)	685	787	792
Diluted (in shares)	687	788	792