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Financial Instruments Notional Amounts (Details) - USD ($) $ in Millions | Mar. 31, 2021 | Dec. 31, 2020 | Mar. 31, 2020
--- | --- | --- | ---
Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | $ 1,030 | $ 1,164 | $ 751
Designated as Hedging Instrument [Member] | Commodity Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | 239 | 383 | 418
Not Designated as Hedging Instrument [Member] | Foreign Currency Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | 715 | 647 | 644
Not Designated as Hedging Instrument [Member] | Commodity Contract [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative, Notional Amount | $ 154 | $ 0 | $ 59

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