Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 160	$ 359	$ 392	$ 755
Other Comprehensive (Loss) Income, Net of Taxes:
Benefit plan net gain and prior service credit, net of amortization	0	(1)	0	0
Cumulative translation adjustment	(2)	42	75	(30)
Other comprehensive income (loss)	(2)	41	75	(30)
Comprehensive income	$ 158	$ 400	$ 467	$ 725