CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Statement [Abstract]
Revenues	$ 25,915	$ 25,455	$ 22,855
Cost of sales:
Production and delivery	16,374	15,554	13,627
Depreciation, depletion and amortization	2,244	2,241	2,068
Total cost of sales	18,618	17,795	15,695
Selling, general and administrative expenses	545	513	479
Exploration Expense	192	156	137
Environmental obligations and shutdown costs	58	127	319
Gain on sales of assets	(16)	0	0
Total costs and expenses	19,397	18,591	16,630
Operating income	6,518	6,864	6,225
Interest expense, net	(369)	(319)	(515)
Net gain on early extinguishment of debt	0	0	10
Other income, net	223	362	286
Income before income taxes and equity in affiliated companies’ net earnings	6,372	6,907	6,006
Provision for (benefit from) income taxes	(2,221)	(2,523)	(2,270)
Equity in affiliated companies’ net earnings	1	15	15
Net income	4,152	4,399	3,751
Net income attributable to noncontrolling interests	(1,948)	(2,510)	(1,903)
Net income attributable to common stockholders	$ 2,204	$ 1,889	$ 1,848
Net income per share attributable to common stockholders:
Basic	$ 1.53	$ 1.31	$ 1.28
Diluted	$ 1.52	$ 1.30	$ 1.28
Weighted-average common shares outstanding:
Basic	1,437	1,438	1,434
Diluted	1,443	1,445	1,443
Dividends declared per share of common stock (in dollars per share)	$ 0.60	$ 0.60	$ 0.60