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Fair Value Of Financial Instruments Fair Value of Assets and Liabilities (Details) (USD $)
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3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | 3 Months Ended | 9 Months Ended | ||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2014
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Sep. 30, 2014
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Sep. 30, 2014
Fair Value, Measurements, Nonrecurring [Member]
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Sep. 30, 2013
Fair Value, Measurements, Nonrecurring [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Estimated Fair Value [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Estimated Fair Value [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Commodity derivatives [Member]
Estimated Fair Value [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Commodity derivatives [Member]
Estimated Fair Value [Member]
|
Sep. 30, 2014
Recurring Basis [Member]
Commodity derivatives [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Commodity derivatives [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Commodity derivatives [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Commodity derivatives [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Commodity derivatives [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Commodity derivatives [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Foreign currency derivatives [Member]
Estimated Fair Value [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Foreign currency derivatives [Member]
Estimated Fair Value [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Foreign currency derivatives [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Foreign currency derivatives [Member]
Quoted Prices in Active Markets, Level 1 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Foreign currency derivatives [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Foreign currency derivatives [Member]
Significant Other Observable Inputs, Level 2 [Member]
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Sep. 30, 2014
Recurring Basis [Member]
Foreign currency derivatives [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Dec. 31, 2013
Recurring Basis [Member]
Foreign currency derivatives [Member]
Significant Unobservable Inputs, Level 3 [Member]
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Sep. 30, 2014
Cost of Sales [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Sep. 30, 2014
Cost of Sales [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Sep. 30, 2014
Selling, General and Administrative Expenses [Member]
Fair Value, Measurements, Nonrecurring [Member]
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Sep. 30, 2014
Selling, General and Administrative Expenses [Member]
Fair Value, Measurements, Nonrecurring [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | ||||||||||||||||||||||||||||||||
| Derivative Asset, Fair Value, Net | $ 23,000,000 | $ 20,000,000 | $ 0 | $ 0 | $ 23,000,000 | $ 20,000,000 | $ 0 | $ 0 | $ 1,000,000 | $ 3,000,000 | $ 0 | $ 0 | $ 1,000,000 | $ 3,000,000 | $ 0 | $ 0 | $ 22,000,000 | $ 17,000,000 | $ 0 | $ 0 | $ 22,000,000 | $ 17,000,000 | $ 0 | $ 0 | ||||||||
| Derivative Liability, Fair Value, Net | 26,000,000 | 22,000,000 | 0 | 0 | 26,000,000 | 22,000,000 | 0 | 0 | 14,000,000 | 11,000,000 | 0 | 0 | 14,000,000 | 11,000,000 | 0 | 0 | 12,000,000 | 11,000,000 | 0 | 0 | 12,000,000 | 11,000,000 | 0 | 0 | ||||||||
| Asset Impairment Charges | $ 4,000,000 | $ 7,000,000 | $ 7,000,000 | $ 0 | $ 3,000,000 | $ 5,000,000 | $ 1,000,000 | $ 2,000,000 | ||||||||||||||||||||||||