Business Segments - Charges and Credits Attributable to the SBUs (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Segment Reporting Information [Line Items]
Rationalizations	$ 103	$ 37
Total Net (Gains) Losses on Asset Sales	(5)	2
Asset write-offs and accelerated depreciation	0	1
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Total Net (Gains) Losses on Asset Sales	(5)	2
Asset write-offs and accelerated depreciation	0	1
Operating Segments
Segment Reporting Information [Line Items]
Rationalizations	103	33
Operating Segments | Americas
Segment Reporting Information [Line Items]
Rationalizations	7	3
Operating Segments | Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Rationalizations	96	27
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Rationalizations	0	3
Corporate
Segment Reporting Information [Line Items]
Rationalizations	$ 0	$ 4