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Segment Information - Restructuring charges (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Segment information |  |  |
Restructuring charges | $ 57 | $ 64 |
Cost Smart Cost of Sales Program |  |  |
Segment information |  |  |
Restructuring charges | 29 | 49 |
Cost Smart SG&A Program |  |  |
Segment information |  |  |
Restructuring charges | 28 | 11 |
Cost Smart SG&A Program | Employee-related severance and other costs |  |  |
Segment information |  |  |
Restructuring charges | $ 28 |  |
Argentina organizational restructuring effort | Employee-related severance and other costs |  |  |
Segment information |  |  |
Restructuring charges |  |  | $ 17
Finance Transformation Initiative |  |  |
Segment information |  |  |
Restructuring charges |  | 3 |
Finance Transformation Initiative | Employee-related severance and other costs |  |  |
Segment information |  |  |
Restructuring charges |  |  | 6
North America restructuring plans and prior year restructuring activities | Employee-related severance, other costs and adjustments |  |  |
Segment information |  |  |
Restructuring charges |  |  | 2
Brazil leaf extraction Process restructuring |  |  |
Segment information |  |  |
Restructuring charges |  | $ 1 | $ 13

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