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Costs Associated with Rationalization Programs - Schedule of Net Rationalization Charges Included in Income (Loss) Before Income Taxes (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | $ 159 | $ 205 | $ 44
Asset write-off and accelerated depreciation charges | 105 | 15 | 4
Current Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 102 | 199 | 40
Current Year Plans | Associate severance and other related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 77 | 183 | 40
Current Year Plans | Benefit plan curtailment and special termination benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 9 | 5 |
Current Year Plans | Other exit and non-cancelable lease costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 16 | 11 |
Prior Year Plans |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 57 | 6 | 4
Prior Year Plans | Associate severance and other related costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | 50 | (2) | (11)
Prior Year Plans | Benefit plan curtailment and special termination benefits |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | (4) |  | (1)
Prior Year Plans | Other exit and non-cancelable lease costs |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Rationalizations | $ 11 | $ 8 | $ 16

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