Business Segments - Charges and Credits Attributable to the SBUs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Rationalizations	$ 29	$ 11
Net (gains) losses on asset sales	(1)	(1)
Asset write-offs and accelerated depreciation	8	2
Americas
Segment Reporting Information [Line Items]
Rationalizations	1	3
Net (gains) losses on asset sales	(1)	0
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Rationalizations	27	8
Asset write-offs and accelerated depreciation	8	2
Asia Pacific
Segment Reporting Information [Line Items]
Rationalizations	1	0
Net (gains) losses on asset sales	$ 0	$ (1)