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Financial Instruments, Derivatives and Hedging Activities - Additional information - CF hedges (Details) - Cash Flow Hedging - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Hedging relationships |  |  |
Amount of Gains (Losses) Recognized in OCI | $ (19) | $ 8 | $ (16)
Gain (loss) reclassified from accumulated OCI into earnings | (14) | (6) | (6)
Commodity Contracts |  |  |
Hedging relationships |  |  |
Amount of Gains (Losses) Recognized in OCI | (24) | 8 | (22)
Commodity Contracts | Cost of sales |  |  |
Hedging relationships |  |  |
Gain (loss) reclassified from accumulated OCI into earnings | (12) | (6) | (5)
Foreign Currency Contracts |  |  |
Hedging relationships |  |  |
Amount of Gains (Losses) Recognized in OCI | 5 |  | 6
Foreign Currency Contracts | Net sales |  |  |
Hedging relationships |  |  |
Gain (loss) reclassified from accumulated OCI into earnings |  | 1 | 1
Interest Rate Contracts | Financing costs, net |  |  |
Hedging relationships |  |  |
Gain (loss) reclassified from accumulated OCI into earnings | $ (2) | $ (1) | $ (2)

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