Restructuring Charges - Change in Restructuring Reserve (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Restructuring Reserve [Roll Forward]
Restructuring liability, beginning balance	$ 20	$ 37
Additions	106	1
Utilized	(16)	(11)
Released	(8)	(7)
Other changes	(1)	0
Restructuring liability, ending balance	$ 101	$ 20