Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Interest Income (Expense), Net [Abstract]
Interest expense	$ 21	$ 27	$ 41	$ 57
Debt premium amortization	(6)	(8)	(11)	(19)
Debt financing costs	1	1	2	2
Other	0	2	1	3
Interest expense	$ 16	$ 22	$ 33	$ 43