Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 78	$ 48	$ 161	$ 152
Other comprehensive (loss) income, net of income taxes:
Currency translation adjustment	0	(2)	0	(2)
Employee benefit plans	(1)	0	(3)	(1)
Interest rate derivatives	1	24	3	35
Other comprehensive income, net of income taxes	0	22	0	32
Comprehensive income	$ 78	$ 70	$ 161	$ 184