Shareholders' Equity Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (35)	$ (43)
Other comprehensive (loss) income before reclassifications	13	8
Ending balance	(22)	(35)
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(36)	(31)
Other comprehensive (loss) income before reclassifications	(5)	(5)
Ending balance	(41)	(36)
Defined Benefit Pension [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	1	(12)
Other comprehensive (loss) income before reclassifications	18	13
Ending balance	$ 19	$ 1