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Restructuring Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
Restructuring Narrative (Details) - USD ($) $ in Millions	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 12	$ 66	$ 23	$ 76
Asset Impairment Charges	1	4	1	8
Restructuring, Cash Expenditures			40	46
Cost of Sales [Member] \| Fair Value, Measurements, Nonrecurring
Restructuring Cost and Reserve [Line Items]
Asset Impairment Charges		$ 4	1	8
Overhead Cost Reduction [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring	1		2
EMEA \| European Footprint Rotation
Restructuring Cost and Reserve [Line Items]
Restructuring	$ 5		$ 13
Facility Closing [Member] \| Restructuring Program For Continued Rotation Of Manufacturing Footprint To Best Cost Locations, European Site Closure [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring				$ 53