Financial Instruments, Derivatives and Hedging Activities (Details 2) (USD $) In Millions, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Corn Commodity
Fair value of commodity contracts
Futures contract (in bushels for corn and gallons for ethanol)	79,000,000
Soy Bean Oil
Fair value of commodity contracts
Soybean oil futures contract (in pounds)	600,000
Natural Gas Commodity
Fair value of commodity contracts
Natural gas futures contract (in mmbtu)	17,000,000
Ethanol Commodity
Fair value of commodity contracts
Futures contract (in bushels for corn and gallons for ethanol)	3,000,000
Designated as Hedging Instrument \| Cash Flow Hedging
Fair value of commodity contracts
Fair value of assets	$ 7	$ 16
Fair value of liabilities	34	24
Designated as Hedging Instrument \| Commodity and Foreign Currency Contracts \| Accounts Receivable, Net \| Cash Flow Hedging
Fair value of commodity contracts
Fair value of assets	7	15
Designated as Hedging Instrument \| Commodity and Foreign Currency Contracts \| Accounts Payable and Accrued Liabilities \| Cash Flow Hedging
Fair value of commodity contracts
Fair value of liabilities	24	18
Designated as Hedging Instrument \| Commodity and Foreign Currency Contracts \| Other Assets \| Cash Flow Hedging
Fair value of commodity contracts
Fair value of assets		1
Designated as Hedging Instrument \| Commodity and Foreign Currency Contracts \| Non Current Liabilities \| Cash Flow Hedging
Fair value of commodity contracts
Fair value of liabilities	$ 10	$ 6

Nominal energy measure used to calculate payments on a derivative instrument as reporting date.

No definition available.

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- Definition

Nominal mass used to calculate payments on a derivative instrument as of reporting date.

+ References

No definition available.

+ Details

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- Definition

Nominal volume used to calculate payments on a derivative instrument as of the reporting date.

+ References

No definition available.

+ Details

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- Definition

Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 55

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312

+ Details

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Period Type:	instant

- Definition

Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement.

+ References

+ Details

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- Details

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- Details

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- Details

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- Details

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- Details

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