Shareholders' Equity (Deficiency) (Changes in Accumulated Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ (22)
Other Comprehensive Income	3	$ 0
Ending balance	(19)
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(22)	(35)
Ending balance	(19)	(35)
Currency Translation Adjustment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(41)	(36)
Other Comprehensive Income	3	0
Ending balance	(38)	(36)
Defined Benefit Pension
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	19	1
Other Comprehensive Income	0	0
Ending balance	$ 19	$ 1