Shareholders' Equity Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions		1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 13, 2019	Dec. 31, 2019	Dec. 13, 2019	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Temporary Equity, Elimination as Part of Reorganization	$ 51
Beginning balance				$ (43)	$ 9
Other comprehensive (loss) income before reclassifications				8	(52)
Ending balance		$ 9		(35)	(43)
Other Comprehensive Income (Loss), Net of Tax		(9)	$ (49)	(8)	52
Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance				(31)	7
Other comprehensive (loss) income before reclassifications				(5)	(38)
Ending balance		7		(36)	(31)
Defined Benefit Pension [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance				(12)	2
Other comprehensive (loss) income before reclassifications				13	(14)
Ending balance		$ 2		$ 1	$ (12)