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Financial Instruments - Schedule of Pre-tax Charge the Fair Value of Derivative Assets and Liabilities (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss | $ 20 | $ 32 | $ (86)
Foreign currency forward contracts [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss | 6 | 10 |
Foreign currency forward contracts [Member] | Cost of Goods Sold [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedge [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized In Derivative Instruments | 10 | 4 |
Foreign currency forward contracts [Member] | Other Income (Expense), Net [Member] | Not Designated as Hedging Instrument [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized In Derivative Instruments | (2) | 3 | 4
Euro-denominated debt [Member] | Designated as Hedging Instrument [Member] | Net Investment Hedge [Member] |  |  |
Derivatives, Fair Value [Line Items] |  |  |
Gain (Loss) Recognized In Accumulated Other Comprehensive Loss | $ 20 | $ 32 | $ (86)

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