v3.2.0.727
Derivatives And Hedging Activities Fair Value of Derivative Instruments (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Derivatives, Fair Value [Line Items]    
Derivative, Fair Value, Net $ (116,000,000) $ (104,000,000)
Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 5,000,000 5,000,000
Derivative liability, fair value, gross liability 114,000,000 109,000,000
Not Designated as Hedging Instrument    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 1,000,000 1,000,000
Derivative liability, fair value, gross liability 8,000,000 1,000,000
Commodity derivatives | Designated as Hedging Instrument | Other Current Assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 0 0
Commodity derivatives | Designated as Hedging Instrument | Accrued Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value, gross liability 22,000,000 19,000,000
Commodity derivatives | Designated as Hedging Instrument | Other Long-Term Assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 0 0
Commodity derivatives | Designated as Hedging Instrument | Other Long-Term Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value, gross liability 7,000,000 8,000,000
Commodity derivatives | Not Designated as Hedging Instrument | Other Current Assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 0  
Commodity derivatives | Not Designated as Hedging Instrument | Accrued Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value, gross liability 2,000,000  
Commodity derivatives | Not Designated as Hedging Instrument | Other Long-Term Assets    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 0  
Commodity derivatives | Not Designated as Hedging Instrument | Other Long-Term Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative liability, fair value, gross liability 1,000,000  
Foreign currency derivatives | Designated as Hedging Instrument | Accrued Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 4,000,000 3,000,000
Derivative liability, fair value, gross liability 62,000,000 48,000,000
Derivative, Fair Value, Net [1] (58,000,000) (45,000,000)
Foreign currency derivatives | Designated as Hedging Instrument | Other Long-Term Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 1,000,000 2,000,000
Derivative liability, fair value, gross liability 23,000,000 34,000,000
Derivative, Fair Value, Net [1] (22,000,000) (32,000,000)
Foreign currency derivatives | Not Designated as Hedging Instrument | Accrued Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 1,000,000 1,000,000
Derivative liability, fair value, gross liability 4,000,000 1,000,000
Derivative, Fair Value, Net [1] (3,000,000) $ 0
Foreign currency derivatives | Not Designated as Hedging Instrument | Other Long-Term Liabilities    
Derivatives, Fair Value [Line Items]    
Derivative asset, fair value, gross asset 0  
Derivative liability, fair value, gross liability 1,000,000  
Derivative, Fair Value, Net [1] $ (1,000,000)  
[1] Derivative instruments within this category are subject to master netting arrangements and are presented on a net basis in the consolidated balance sheets in accordance with accounting guidance related to the offsetting of amounts related to certain contracts.