Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Income Statement [Abstract]
Revenues	$ 7,582	$ 6,624	$ 13,310	$ 12,945
Cost of sales:
Production and delivery	4,282	3,875	8,038	7,719
Depreciation, depletion and amortization	668	509	1,134	1,104
Total cost of sales	4,950	4,384	9,172	8,823
Selling, general and administrative expenses	127	123	281	267
Exploration and research expenses	46	40	85	77
Environmental obligations and shutdown costs	27	28	37	95
Total costs and expenses	5,150	4,575	9,575	9,262
Operating income	2,432	2,049	3,735	3,683
Interest expense, net	(82)	(88)	(152)	(177)
Other income, net	41	69	99	198
Income before income taxes and equity in affiliated companies’ net earnings	2,391	2,030	3,682	3,704
Provision for income taxes	(850)	(754)	(1,350)	(1,266)
Equity in affiliated companies’ net earnings	6	4	8	4
Net income	1,547	1,280	2,340	2,442
Net income (loss) attributable to noncontrolling interests	775	664	1,216	1,353
Net income attributable to common stockholders	$ 772	$ 616	$ 1,124	$ 1,089
Net income per share attributable to common stockholders:
Earnings per share, basic (in dollars per share)	$ 0.53	$ 0.42	$ 0.78	$ 0.75
Earnings per share, diluted (in dollars per share)	$ 0.53	$ 0.42	$ 0.77	$ 0.75
Weighted-average shares of common stock outstanding:
Basic weighted-average shares of common stock outstanding	1,437	1,438	1,438	1,437
Diluted weighted-average shares of common shares outstanding	1,443	1,445	1,444	1,445
Dividends declared per share of common stock (in dollars per share)	$ 0.15	$ 0.15	$ 0.30	$ 0.30