v3.3.1.900
Assets and Liabilities with Recurring Fair Value Measurements (Details) - USD ($)
$ in Millions
Dec. 31, 2015
Dec. 31, 2014
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure $ 1,083 $ 896
Margin Deposit Assets [1] 89 96
Commodity Futures Contracts Assets, Fair Value Disclosure 1,736 2,134
Commodity Forward Contracts Assets, Fair Value Disclosure 274 359
Interest Rate Derivative Assets, at Fair Value 1 4
Assets, Fair Value Disclosure 3,183 3,489
Security Deposit Liability [1],[2] 35 47
Commodity Futures Contracts Liabilities, Fair Value Disclosure 1,604 1,870
Commodity Forward Contracts Liabilities, Fair Value Disclosure 513 242
Interest Rate Derivative Liabilities, at Fair Value 90 114
Liabilities, Fair Value Disclosure 2,242 2,273
Fair Value, Inputs, Level 1 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 1,083 896
Margin Deposit Assets 89 96
Commodity Futures Contracts Assets, Fair Value Disclosure 1,736 2,134
Commodity Forward Contracts Assets, Fair Value Disclosure 0 0
Interest Rate Derivative Assets, at Fair Value 0 0
Assets, Fair Value Disclosure 2,908 3,126
Security Deposit Liability 35 47
Commodity Futures Contracts Liabilities, Fair Value Disclosure 1,604 1,870
Commodity Forward Contracts Liabilities, Fair Value Disclosure 0 0
Interest Rate Derivative Liabilities, at Fair Value 0 0
Liabilities, Fair Value Disclosure 1,639 1,917
Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Margin Deposit Assets 0 0
Commodity Futures Contracts Assets, Fair Value Disclosure 0 0
Commodity Forward Contracts Assets, Fair Value Disclosure 220 195
Interest Rate Derivative Assets, at Fair Value 1 4
Assets, Fair Value Disclosure 221 199
Security Deposit Liability 0 0
Commodity Futures Contracts Liabilities, Fair Value Disclosure 0 0
Commodity Forward Contracts Liabilities, Fair Value Disclosure 413 163
Interest Rate Derivative Liabilities, at Fair Value 90 114
Liabilities, Fair Value Disclosure 503 277
Fair Value, Inputs, Level 3 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Cash and Cash Equivalents, Fair Value Disclosure 0 0
Margin Deposit Assets 0 0
Commodity Futures Contracts Assets, Fair Value Disclosure 0 0
Commodity Forward Contracts Assets, Fair Value Disclosure 54 164
Interest Rate Derivative Assets, at Fair Value 0 0
Assets, Fair Value Disclosure 54 164
Security Deposit Liability 0 0
Commodity Futures Contracts Liabilities, Fair Value Disclosure 0 0
Commodity Forward Contracts Liabilities, Fair Value Disclosure 100 79
Interest Rate Derivative Liabilities, at Fair Value 0 0
Liabilities, Fair Value Disclosure $ 100 $ 79
[1] 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.
[2] Included in other current liabilities on our Consolidated Balance Sheets.