Interest Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Interest Income (Expense), Net [Abstract]
Interest expense	$ 20	$ 29	$ 61	$ 90
Debt premium amortization	(4)	(11)	(15)	(32)
Debt financing costs	1	1	3	3
Other	0	1	1	2
Interest expense	$ 17	$ 20	$ 50	$ 63