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Derivative Instruments and Hedging Activities (Narrative) (Details) € in Millions, bu in Millions, $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2017 USD ($) bu gal | Dec. 31, 2017 EUR (€) gal | Dec. 31, 2016 USD ($) | Jun. 24, 2015 EUR (€)
Derivative [Line Items] |  |  |  |
Debt amount designated as a net investment hedge | € |  | € 1,100 |  |
Derivatives used in Net Investment Hedge, Net of Tax | $ | $ 59 |  | $ (40) |
Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Interest Rate Derivative Liabilities, at Fair Value | $ | 1 |  | $ 0 |
After-tax losses in AOCI from commodity cash flow hedge transactions | $ | 8 |  |  |
After-tax losses in AOCI from commodity cash flow hedge transactions expected to be recognized in earnings. | $ | $ 8 |  |  |
Corn processed per month (in bushels) | bu | 72 |  |  |
Minimum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of Anticipated Commodity Hedged During Historical Hedging Period | 22.00% |  |  |
Percentage of Anticipated Commodity Hedged over Future Hedging Period | 8.00% | 8.00% |  |
Commodity sales volume hedged during historical hedging period (in gallons) | gal | 1,000,000 |  |  |
Contracted commodity sales volume hedged over future hedging period (in gallons) | gal | 0 | 0 |  |
Maximum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of Anticipated Commodity Hedged During Historical Hedging Period | 50.00% |  |  |
Percentage of Anticipated Commodity Hedged over Future Hedging Period | 86.00% | 86.00% |  |
Commodity sales volume hedged during historical hedging period (in gallons) | gal | 28,000,000 |  |  |
Contracted commodity sales volume hedged over future hedging period (in gallons) | gal | 135,000,000 | 135,000,000 |  |
1.75% Notes Euros [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount | € |  |  |  | € 600
Floating Rate Notes Euros [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount | € |  |  |  | € 500
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 1.75%

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