Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Net income (loss)	$ 2,516	$ 2,662	$ 1,595
Other comprehensive income (loss), net of income taxes:
Defined benefit and other postretirement plans adjustments	(26)	(106)	(54)
Other	5	5	7
Other comprehensive loss, net of income taxes	(21)	(101)	(47)
Comprehensive income (loss)	2,495	2,561	1,548
Comprehensive income attributable to noncontrolling interest	(16)	(24)	(23)
Comprehensive income (loss) attributable to company shareholders	$ 2,479	$ 2,537	$ 1,525