Land, Buildings, Equipment and Software, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Land, Building and Equipment, net [Line Items]
Subtotal	$ 2,545	$ 2,638
Accumulated depreciation	(2,187)	(2,231)
Land, buildings and equipment, net	358	407
Depreciation expense	76	87	$ 101
Finance lease, right-of-use asset	9	10
Land
Land, Building and Equipment, net [Line Items]
Subtotal	9	13
Building and building equipment
Land, Building and Equipment, net [Line Items]
Subtotal	777	814
Leasehold improvements
Land, Building and Equipment, net [Line Items]
Subtotal	112	124
Plant machinery
Land, Building and Equipment, net [Line Items]
Subtotal	1,098	1,149
Office furniture and equipment
Land, Building and Equipment, net [Line Items]
Subtotal	475	476
Finance leases
Land, Building and Equipment, net [Line Items]
Subtotal	13	13
Other
Land, Building and Equipment, net [Line Items]
Subtotal	44	32
Construction in progress
Land, Building and Equipment, net [Line Items]
Subtotal	$ 17	$ 17
Minimum
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	4 years
Minimum | Building and building equipment
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	25 years
Minimum | Leasehold improvements
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	1 year
Minimum | Plant machinery
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	5 years
Minimum | Office furniture and equipment
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	3 years
Minimum | Finance leases
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	1 year
Minimum | Other
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	4 years
Maximum
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	5 years
Maximum | Building and building equipment
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	50 years
Maximum | Leasehold improvements
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	12 years
Maximum | Plant machinery
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	12 years
Maximum | Office furniture and equipment
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	15 years
Maximum | Finance leases
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	12 years
Maximum | Other
Land, Building and Equipment, net [Line Items]
Estimated Useful Lives (Years)	20 years