Business Segments - Charges and Credits Attributable to the SBUs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Rationalizations:
Rationalizations	$ 11	$ 16
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	1
Asset write-offs and accelerated depreciation:
Asset write-offs and accelerated depreciation	2	3
Operating Segments
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	(1)	1
Operating Segments | Americas
Rationalizations:
Rationalizations	3	0
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	(1)
Operating Segments | Europe, Middle East and Africa
Rationalizations:
Rationalizations	8	15
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	0	2
Asset write-offs and accelerated depreciation:
Asset write-offs and accelerated depreciation	2	3
Operating Segments | Asia Pacific
Rationalizations:
Rationalizations	0	1
Net (Gains) Losses on Asset Sales:
Net (gains) losses on asset sales	$ (1)	$ 0