Changes in Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Changes in Accumulated Other Comprehensive Loss [Abstract]
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax	$ (38)	$ (31)
Accumulated other comprehensive loss	(74)	(80)
Other comprehensive income (loss), foreign currency translation adjustments, before reclassification adjustment, after of tax	(7)
Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax	9
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax	2
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, after Tax	4
Other comprehensive income, gain (loss), reclassification adjustment from AOCI, after tax	4
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total	(7)	4	$ (2)
Post-employment benefits	13	(5)	3
Other comprehensive income (loss), net of tax	6	(1)	$ 1
Accumulated other comprehensive income (loss), defined benefit plan, net of tax	$ (36)	$ (49)