Restructuring and Other (Narrative) (Details) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Sep. 30, 2017 USD ($)	Jun. 30, 2017 USD ($)	Mar. 31, 2017 USD ($)	Dec. 31, 2018 USD ($) facility	Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)	$ 16	$ (1)	$ 16	$ 13	$ 21	$ 16	$ 18	$ (4)
Other costs									$ (2)	$ 19	$ 4
Number of facilities closed | facility									2
Settled Litigation | Mivisa
Restructuring Cost and Reserve [Line Items]
Litigation settlement expense										19
Gain on settlement of litigation									$ 6
Asia Pacific | CHINA
Restructuring Cost and Reserve [Line Items]
Restructuring accrual	$ 21								21
Write-down of carrying value fixed assets
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)									13	19
Write-down of carrying value fixed assets | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)											9
Termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)									12	18
Termination benefits | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)									(5)		$ 3
Restructuring Actions Related to Current And Prior Period
Restructuring Cost and Reserve [Line Items]
Other costs									$ 8
Expiration of environmental indemnification
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)										$ (5)