Restructuring Charges - By Segment (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Restructuring Cost and Reserve [Line Items]
Restructuring costs	$ 59	$ 40	$ 105	$ 87
Operating Segments | North America
Restructuring Cost and Reserve [Line Items]
Restructuring costs			9
Operating Segments | EMEA
Restructuring Cost and Reserve [Line Items]
Restructuring costs			82
Operating Segments | Latin America
Restructuring Cost and Reserve [Line Items]
Restructuring costs			6
Operating Segments | Asia
Restructuring Cost and Reserve [Line Items]
Restructuring costs			2
Corporate, Non-Segment | Corporate / Other
Restructuring Cost and Reserve [Line Items]
Restructuring costs			$ 6