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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

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