v2.4.0.8
Assets and Liabilities with Recurring Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents $ 1,134 [1] $ 1,502 [1]
Margin Deposit Assets 261 [2] 196 [2]
Commodity futures contracts 434 385
Commodity forward contracts 107 [3] 48 [3]
Interest rate swaps 9 4
Total assets 1,945 2,135
Security Deposit Liability 5 [2],[4] 11 [2],[4]
Commodity futures contracts 495 424
Commodity forward contracts 70 [3] 26 [3]
Interest rate swaps 129 200
Total liabilities 699 661
Fair Value, Inputs, Level 1 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 1,134 [1] 1,502 [1]
Margin Deposit Assets 261 196
Commodity futures contracts 434 385
Commodity forward contracts 0 [3] 0 [3]
Interest rate swaps 0 0
Total assets 1,829 2,083
Security Deposit Liability 5 11
Commodity futures contracts 495 424
Commodity forward contracts 0 [3] 0 [3]
Interest rate swaps 0 0
Total liabilities 500 435
Fair Value, Inputs, Level 2 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 [1] 0 [1]
Margin Deposit Assets 0 0
Commodity futures contracts 0 0
Commodity forward contracts 75 [3] 24 [3]
Interest rate swaps 9 4
Total assets 84 28
Security Deposit Liability 0 0
Commodity futures contracts 0 0
Commodity forward contracts 52 [3] 18 [3]
Interest rate swaps 129 200
Total liabilities 181 218
Fair Value, Inputs, Level 3 [Member]
    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash equivalents 0 [1] 0 [1]
Margin Deposit Assets 0 0
Commodity futures contracts 0 0
Commodity forward contracts 32 [3] 24 [3]
Interest rate swaps 0 0
Total assets 32 24
Security Deposit Liability 0 0
Commodity futures contracts 0 0
Commodity forward contracts 18 [3] 8 [3]
Interest rate swaps 0 0
Total liabilities $ 18 $ 8
[1] As of December 31, 2013 and 2012, we had cash equivalents of $889 million and $1,274 million included in cash and cash equivalents and $245 million and $228 million included in restricted cash, respectively.
[2] Balances are subject to master netting arrangements and presented on a gross basis on our Consolidated Balance Sheets. We do not offset fair value amounts recognized for derivative instruments executed with the same counterparty under a master netting arrangement for financial statement presentation, and we do not offset amounts recognized for the right to reclaim, or the obligation to return, cash collateral with corresponding derivative instrument fair values. See Note 8 for further discussion of our derivative instruments subject to master netting arrangements.
[3] Includes OTC swaps and options.
[4] Included in other current liabilities on our Consolidated Balance Sheets.