Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	$ (12)	$ (12)
Other Comprehensive Loss	0	(7)	$ (3)
Significant Amount Reclassified Out of AOCI	0	0	0
Foreign Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	(11)	(10)	(3)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(1)	(7)
Tax Effects	0	0
Other Comprehensive Loss	(1)	(7)
Other
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	(1)	(2)	(2)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	1	0
Tax Effects	0	0
Other Comprehensive Loss	1	0
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Accumulated Other Comprehensive Income (Loss)	(12)	(12)	(5)
Other Comprehensive Income (Loss), before Reclassifications, before Tax	0	(7)
Tax Effects	0	0
Other Comprehensive Loss	$ 0	$ (7)	$ (3)