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Property, Plant and Equipment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total	$ 567	$ 549
Less accumulated depreciation	(431)	(419)
Net property, plant and equipment	136	130
Depreciation	42	36	$ 33
Land
Property, Plant and Equipment [Line Items]
Total	5	5
Buildings and property improvements
Property, Plant and Equipment [Line Items]
Total	$ 131	129
Buildings and property improvements \| Minimum
Property, Plant and Equipment [Line Items]
PPE, useful life (in years)	1 year
Buildings and property improvements \| Maximum
Property, Plant and Equipment [Line Items]
PPE, useful life (in years)	35 years
Equipment and other
Property, Plant and Equipment [Line Items]
Total	$ 431	415
Finance leases	$ 39	$ 36
Equipment and other \| Minimum
Property, Plant and Equipment [Line Items]
PPE, useful life (in years)	1 year
Equipment and other \| Maximum
Property, Plant and Equipment [Line Items]
PPE, useful life (in years)	25 years