XML 89 R66.htm IDEA: XBRL DOCUMENT v2.4.0.6
Derivatives and Hedging Instruments (Details 5) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Derivatives disclosures    
Asset Derivatives Fair Value $ 187 $ 120
Liability Derivatives Fair Value (230) (150)
Net loss deferred in AOCI (99)  
Net gain expected to be reclassified to earnings in next 12 months 21  
Gain expected to be reclassified to earnings prior to 2015 9  
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) (151) (76)
Gain (loss) expected to be reclassified to earnings through 2045 (129)  
Gain (loss) on discontinued cash flow hedge reclassified to earnings during the year 2  
Broker receivable   99
Broker payable 7  
Initial margin 52 56
Variation margin returned/(posted) (59) 43
Commodity
    
Derivatives disclosures    
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) (15) (82)
Interest Rate Contracts
    
Derivatives disclosures    
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion) (136) 8
Foreign exchange contracts
    
Derivatives disclosures    
Net deferred gain/(loss) recognized in AOCI on derivatives (effective portion)   (2)
Derivatives designated as hedging instruments
    
Derivatives disclosures    
Asset Derivatives Fair Value 94 81
Liability Derivatives Fair Value (187) (72)
Derivatives designated as hedging instruments | Commodity | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 72 71
Liability Derivatives Fair Value (47) (70)
Derivatives designated as hedging instruments | Commodity | Other long-term assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 20  
Liability Derivatives Fair Value (2) (1)
Derivatives designated as hedging instruments | Commodity | Other current liabilities
    
Derivatives disclosures    
Liability Derivatives Fair Value   (1)
Derivatives designated as hedging instruments | Interest Rate Contracts | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 1 10
Derivatives designated as hedging instruments | Interest Rate Contracts | Other current liabilities
    
Derivatives disclosures    
Liability Derivatives Fair Value (24)  
Derivatives designated as hedging instruments | Interest Rate Contracts | Other long-term liabilities
    
Derivatives disclosures    
Liability Derivatives Fair Value (114)  
Derivatives designated as hedging instruments | Foreign exchange contracts | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 1  
Derivatives not designated as hedging instruments
    
Derivatives disclosures    
Asset Derivatives Fair Value 93 39
Liability Derivatives Fair Value (43) (78)
Derivatives not designated as hedging instruments | Commodity | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 87 11
Liability Derivatives Fair Value (39) (68)
Derivatives not designated as hedging instruments | Commodity | Other long-term assets
    
Derivatives disclosures    
Asset Derivatives Fair Value 6 20
Liability Derivatives Fair Value (3)  
Derivatives not designated as hedging instruments | Commodity | Other current liabilities
    
Derivatives disclosures    
Asset Derivatives Fair Value   2
Liability Derivatives Fair Value (1) (10)
Derivatives not designated as hedging instruments | Interest Rate Contracts | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value   4
Derivatives not designated as hedging instruments | Interest Rate Contracts | Other long-term assets
    
Derivatives disclosures    
Asset Derivatives Fair Value   1
Derivatives not designated as hedging instruments | Foreign exchange contracts | Other current assets
    
Derivatives disclosures    
Asset Derivatives Fair Value   $ 1