Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Net income (loss)	$ 1,292	$ 2,516	$ 2,662
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax	(11)	(26)	(106)
Other Comprehensive Income, Other, Net of Tax	1	5	5
Other comprehensive income (loss)	(10)	(21)	(101)
Comprehensive income (loss)	1,282	2,495	2,561
Comprehensive (income) loss attributable to noncontrolling interest	(9)	(16)	(24)
Comprehensive income (loss) attributable to company shareholders	$ 1,273	$ 2,479	$ 2,537