Business Segments - Rationalizations, Asset Sales, Other Expense and Asset Write-offs and Accelerated Depreciation Attributable to the SBUs (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Goodwill and Other Asset Impairments	$ 0	$ 0	$ 330	$ 0
Rationalizations	25	21	133	128
Asset write-offs and accelerated depreciation	4	1	94	2
Americas
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	4	0	93	0
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	0	1	1	2
Operating Segments
Segment Reporting Information [Line Items]
Net (gains) losses on asset sales	0	1	2	(5)
Operating Segments | Americas
Segment Reporting Information [Line Items]
Goodwill and Other Asset Impairments	0	0	148	0
Rationalizations	9	9	81	18
Operating Segments | Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Goodwill and Other Asset Impairments	0	0	182	0
Rationalizations	12	12	48	110
Net (gains) losses on asset sales	0	1	2	(5)
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Rationalizations	$ 4	$ 0	$ 4	$ 0