Business Segments - Charges and Credits Attributable to the SBUs (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Rationalizations:
Rationalizations	$ 48	$ 46	$ 59	$ 62
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(1)	(1)	(1)
Asset write-offs and accelerated depreciation:
Asset write-offs and accelerated depreciation	5	0	7	2
Operating Segments
Rationalizations:
Rationalizations	47	46	58	62
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(3)	(1)	(2)
Operating Segments | Americas
Rationalizations:
Rationalizations	1	5	4	5
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	0	0	(1)
Operating Segments | Europe, Middle East and Africa
Rationalizations:
Rationalizations	45	39	53	54
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	3	0	5
Asset write-offs and accelerated depreciation:
Asset write-offs and accelerated depreciation	5	0	7	2
Operating Segments | Asia Pacific
Rationalizations:
Rationalizations	1	2	1	3
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(6)	(1)	(6)
Corporate, Non-Segment
Rationalizations:
Rationalizations	1	0	1	0
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ 0	$ 2	$ 0	$ 1