Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021
Changes in Accumulated Other Comprehensive Loss [Abstract]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance				$ (38)
Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax, Beginning Balance				36
Accumulated Other Comprehensive Loss, Beginning Balance				(74)
Other comprehensive income (loss), foreign currency translation adjustments, before reclassification adjustment, after of tax				(7)
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax				(7)
Other Comprehensive Income (Loss), Gain (loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Net of Tax
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total	$ (7)	$ 2		(7)	$ 1
Post-employment benefits		1			1
Other comprehensive income, net of tax	(7)	$ 3	$ (1)	(7)	$ 2
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance	(45)			(45)
Accumulated Other Comprehensive Income (Loss), Defined Benefit Plan, Net of Tax, Ending Balance	36			36
Accumulated Other Comprehensive Loss, Ending Balance	$ (81)			$ (81)