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		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	$ 0	$ 148	$ 0	$ 330
Rationalizations	18	99	68	108
Asset write-offs and accelerated depreciation	0	86	0	90
Americas
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	0	86	0	89
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	0	0	0	1
Operating Segments
Segment Reporting Information [Line Items]
Rationalizations	15	99	62	108
Net (gains) losses on asset sales	0	3	0	2
Operating Segments | Americas
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	0	148	0	148
Rationalizations	8	69	18	72
Operating Segments | Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	0	0	0	182
Rationalizations	7	30	44	36
Net (gains) losses on asset sales	0	3	0	2
Corporate
Segment Reporting Information [Line Items]
Rationalizations	$ 3	$ 0	$ 6	$ 0