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Derivative Instruments and Hedging Activities (Narrative) (Details) € in Millions, gal in Millions, bu in Millions, $ in Millions | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2018 USD ($) bu gal | Mar. 31, 2018 EUR (€) gal | Dec. 31, 2017 USD ($) | Jun. 24, 2015 EUR (€)
Derivative [Line Items] |  |  |  |
Corn processed per month (in bushels) | bu | 72 |  |  |
Debt amount designated as a net investment hedge | € |  | € 1,100 |  |
Derivatives used in Net Investment Hedge, Net of Tax | $ | $ 99 |  | $ (59) |
Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Unrealized Gain (Loss) on Price Risk Cash Flow Hedges, after Tax, Accumulated Other Comprehensive Income | $ | 33 |  |  |
Interest Rate Derivative Liabilities, at Fair Value | $ | 1 |  | $ 1 |
After-tax gains (losses) in AOCI from commodity cash flow hedge transactions | $ | $ 33 |  |  |
Floating Rate Notes Euros [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount | € |  |  |  | € 500
1.75% Notes Euros [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Debt Instrument, Face Amount | € |  |  |  | € 600
Debt Instrument, Interest Rate, Stated Percentage |  |  |  | 1.75%
Corn [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Hedged Item Time Period | 12 months |  |  |
Corn [Member] | Minimum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated commodity purchases or production hedged during historical hedging period (as a percent) | 22.00% |  |  |
Percentage of anticipated commodity purchases or production hedged over future hedging period (as a percent) | 1.00% | 1.00% |  |
Corn [Member] | Maximum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated commodity purchases or production hedged during historical hedging period (as a percent) | 86.00% |  |  |
Percentage of anticipated commodity purchases or production hedged over future hedging period (as a percent) | 90.00% | 90.00% |  |
Ethanol [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Hedged Item Time Period | 12 months |  |  |
Ethanol [Member] | Minimum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Commodity hedged during historical hedging period, (in gallons) | gal | 1 |  |  |
Commodity hedged over future hedging period, (in gallons) | gal | 0 | 0 |  |
Ethanol [Member] | Maximum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Commodity hedged during historical hedging period, (in gallons) | gal | 135 |  |  |
Commodity hedged over future hedging period, (in gallons) | gal | 116 | 116 |  |
Soybean [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative Hedged Item Time Period | 12 months |  |  |
Soybean [Member] | Minimum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated commodity purchases or production hedged over future hedging period (as a percent) | 0.00% | 0.00% |  |
Soybean [Member] | Maximum [Member] | Designated As Hedging Instrument [Member] |  |  |  |
Derivative [Line Items] |  |  |  |
Percentage of anticipated commodity purchases or production hedged over future hedging period (as a percent) | 100.00% | 100.00% |  |

X
- Definition The entity's contracted commodity sales volumes hedged during the historical hedging period, in gallons. + References No definition available. + Details
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- Definition The contracted sales volume hedged by the company over the future hedging period, in gallons. + References No definition available. + Details
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- Definition This element represents the quantity of corn processing per month under the designated cash flow hedge program. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=64930739&loc=d3e28878-108400 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399 + Details
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- Definition Maximum period the entity is hedging its exposure to the variability in future cash flows for forecasted transactions, excluding those forecasted transactions related to the payment of variable interest on existing financial instruments, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Definition Amount, after tax, of cumulative translation adjustment attributable to gain (loss) on foreign currency derivatives that are designated as, and are effective as, economic hedges of a net investment in a foreign entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=64808268&loc=d3e32211-110900 + Details
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