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, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	$ 0	$ 0	$ 0	$ 330
Rationalizations	13	25	81	133
Net (gains) losses on asset sales	10	0	10	(2)
Asset write-offs and accelerated depreciation	1	4	1	94
Americas
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	0	4	0	93
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Asset write-offs and accelerated depreciation	1	0	1	1
Operating Segments
Segment Reporting Information [Line Items]
Rationalizations	13	25	75	133
Net (gains) losses on asset sales	8	0	8	(2)
Operating Segments | Americas
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	0	0	0	148
Rationalizations	11	9	29	81
Operating Segments | Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Goodwill and other asset impairments	0	0	0	182
Rationalizations	2	12	46	48
Net (gains) losses on asset sales	8	0	8	(2)
Operating Segments | Asia Pacific
Segment Reporting Information [Line Items]
Rationalizations	0	4	0	4
Corporate
Segment Reporting Information [Line Items]
Rationalizations	0	0	6	0
Net (gains) losses on asset sales	$ 2	$ 0	$ 2	$ 0