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v3.20.2

Cost Reduction Programs and Other Charges - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges | $ 48 | $ 125 | $ 428 | $ 355
Cost reduction programs and other charges, after-tax and noncontrolling interest | 36 | 90 | 318 | 284
Merger-related divestitures |  | 92 |  | 213
Other charges, merger related, net of tax |  | 64 |  | 169
Cash requirement for the cost reduction program and other charges | 338 |  | 338 |
Severance costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges |  | 33 |  | 142
Cost reduction programs and other charges, after-tax and noncontrolling interest |  | $ 26 |  | 115
Merger-related and other charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges | 9 |  | 98 |
Other charges, merger related, net of tax | 7 |  | 82 |
Other merger related charges for an asset impairment | 73 |  |  | 73
Other merger related charges for an asset impairment net of tax and noncontrolling interest | 42 |  |  | $ 42
Cost Reduction Program |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges | 39 |  | 330 |
Cost reduction program charges | 39 |  | 330 |
Cost reduction program charges, net of tax | 29 |  | 236 |
Cost Reduction Program | Severance costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges | 31 |  | 281 |
Cost Reduction Program | Other cost reduction charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Cost reduction programs and other charges | $ 8 |  | $ 49 |

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