Supplemental Financial Information - Other income (expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Other Nonrecurring Income (Expense) [Line Items]
Other, net	$ (4)	$ 1	$ 2
Total	(15)	3	0
Manufacturing Service Arrangements and Transitional Service Arrangements
Other Nonrecurring Income (Expense) [Line Items]
Result from MSA and TSA arrangements	$ (11)	$ 2	$ (2)