Restructuring and Other (Narrative) (Details) $ in Millions	3 Months Ended							12 Months Ended
	Dec. 31, 2019 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2018 USD ($)	Jun. 30, 2018 USD ($)	Mar. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($) facility	Dec. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items]
Gain (loss) on restructuring								$ 7	$ 5	$ (12)
Restructuring charges (benefit)	$ 15	$ 45	$ 4	$ 16	$ 1	$ 16	$ 13
Number of facilities closed | facility									2
Other (income) / costs								(41)	$ (2)	19
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	$ 17							17
Impaired assets sales | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Gain (loss) on restructuring								13
Fire at production facility | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Gain (loss) on restructuring								(6)
Write-down of carrying value fixed assets
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)									13	19
Termination benefits
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)								18	12	18
Termination benefits | Asia Pacific
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)									5
Headcount Reductions
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)								14
Indirect Taxes Paid
Restructuring Cost and Reserve [Line Items]
Other (income) / costs								50
Pre-Acquisition Related Litigation Settlement
Restructuring Cost and Reserve [Line Items]
Other (income) / costs								$ 7
Restructuring Actions Related to Current And Prior Period
Restructuring Cost and Reserve [Line Items]
Other (income) / costs									$ 8
Expiration of environmental indemnification
Restructuring Cost and Reserve [Line Items]
Restructuring charges (benefit)										$ (5)