Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period	$ 3,616
Other comprehensive loss, net of tax	(2)	$ 11
Net other comprehensive loss	(2)	11
Balance at end of period	2,004	5,843
Pension Plans | Pension Plans
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period	(1)	21
Other comprehensive loss, net of tax	0	0
Net other comprehensive loss	0	0
Balance at end of period	(1)	21
Foreign Currency Translation Adjustment and Other
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period	(27)	(365)
Other comprehensive loss, net of tax	(2)	11
Net other comprehensive loss	(2)	11
Balance at end of period	(29)	(354)
Total
AOCI Attributable to Parent, Net of Tax
Balance at beginning of period	(28)	(344)
Balance at end of period	$ (30)	$ (333)