v2.4.0.8

Fair Value Of Financial Instruments Fair Value of Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Jun. 30, 2014 Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2013 Fair Value, Measurements, Nonrecurring [Member]	Jun. 30, 2014 Recurring Basis [Member] Estimated Fair Value [Member]	Dec. 31, 2013 Recurring Basis [Member] Estimated Fair Value [Member]	Jun. 30, 2014 Recurring Basis [Member] Quoted Prices in Active Markets, Level 1 [Member]	Dec. 31, 2013 Recurring Basis [Member] Quoted Prices in Active Markets, Level 1 [Member]	Jun. 30, 2014 Recurring Basis [Member] Significant Other Observable Inputs, Level 2 [Member]	Dec. 31, 2013 Recurring Basis [Member] Significant Other Observable Inputs, Level 2 [Member]	Jun. 30, 2014 Recurring Basis [Member] Significant Unobservable Inputs, Level 3 [Member]	Dec. 31, 2013 Recurring Basis [Member] Significant Unobservable Inputs, Level 3 [Member]	Jun. 30, 2014 Recurring Basis [Member] Commodity derivatives [Member] Estimated Fair Value [Member]	Dec. 31, 2013 Recurring Basis [Member] Commodity derivatives [Member] Estimated Fair Value [Member]	Jun. 30, 2014 Recurring Basis [Member] Commodity derivatives [Member] Quoted Prices in Active Markets, Level 1 [Member]	Dec. 31, 2013 Recurring Basis [Member] Commodity derivatives [Member] Quoted Prices in Active Markets, Level 1 [Member]	Jun. 30, 2014 Recurring Basis [Member] Commodity derivatives [Member] Significant Other Observable Inputs, Level 2 [Member]	Dec. 31, 2013 Recurring Basis [Member] Commodity derivatives [Member] Significant Other Observable Inputs, Level 2 [Member]	Jun. 30, 2014 Recurring Basis [Member] Commodity derivatives [Member] Significant Unobservable Inputs, Level 3 [Member]	Dec. 31, 2013 Recurring Basis [Member] Commodity derivatives [Member] Significant Unobservable Inputs, Level 3 [Member]	Jun. 30, 2014 Recurring Basis [Member] Foreign currency derivatives [Member] Estimated Fair Value [Member]	Dec. 31, 2013 Recurring Basis [Member] Foreign currency derivatives [Member] Estimated Fair Value [Member]	Jun. 30, 2014 Recurring Basis [Member] Foreign currency derivatives [Member] Quoted Prices in Active Markets, Level 1 [Member]	Dec. 31, 2013 Recurring Basis [Member] Foreign currency derivatives [Member] Quoted Prices in Active Markets, Level 1 [Member]	Jun. 30, 2014 Recurring Basis [Member] Foreign currency derivatives [Member] Significant Other Observable Inputs, Level 2 [Member]	Dec. 31, 2013 Recurring Basis [Member] Foreign currency derivatives [Member] Significant Other Observable Inputs, Level 2 [Member]	Jun. 30, 2014 Recurring Basis [Member] Foreign currency derivatives [Member] Significant Unobservable Inputs, Level 3 [Member]	Dec. 31, 2013 Recurring Basis [Member] Foreign currency derivatives [Member] Significant Unobservable Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Derivative Asset, Fair Value, Net					$ 23	$ 20	$ 0	$ 0	$ 23	$ 20	$ 0	$ 0	$ 4	$ 3	$ 0	$ 0	$ 4	$ 3	$ 0	$ 0	$ 19	$ 17	$ 0	$ 0	$ 19	$ 17	$ 0	$ 0
Derivative Liability, Fair Value, Net					11	22	0	0	11	22	0	0	7	11	0	0	7	11	0	0	4	11	0	0	4	11	0	0
Asset Impairment Charges	$ (3)	$ (3)	$ 3	$ 0

X

- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 45

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X

- Definition

Fair value, after offset of derivative liability, 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets 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 50

-Paragraph 3

-Subparagraph (c)

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



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

-Publisher FASB

-Name Accounting Standards Codification

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-Section 55

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-URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226008-175313



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-Publisher FASB

-Name Accounting Standards Codification

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-Section 55

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-Name Accounting Standards Codification

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- Definition

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

-Section 50

-Paragraph 3

-Subparagraph (c)

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



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-Publisher FASB

-Name Accounting Standards Codification

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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-Section 55

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