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Restructuring and impairment charges (credits) - Cost Estimates By Major Type of Expense (Details) - 2019 Footprint realignment plan $ in Millions | Feb. 28, 2019 USD ($)
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Minimum |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | $ 56
Minimum | Termination benefits |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 19
Minimum | Other exit costs |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 1
Minimum | Special Termination Benefit And Other Restructuring |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 20
Minimum | Accelerated Depreciation And Other Costs |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 36
Maximum |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 70
Maximum | Termination benefits |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 23
Maximum | Other exit costs |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 2
Maximum | Special Termination Benefit And Other Restructuring |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | 25
Maximum | Accelerated Depreciation And Other Costs |
Restructuring Cost and Reserve [Line Items] |
Expected restructuring charges | $ 45

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