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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 | 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

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