v2.4.0.8

Assets and Liabilities with Recurring Fair Value Measurements Fair Value Hierarchy (Details) (USD $) In Millions, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
--- | --- | ---
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | $ 871 | [1] | $ 1,502 | [1]
Margin deposits | 276 | [2] | 196 | [2]
Commodity futures contracts | 595 |  | 385 |
Commodity forward contracts | 134 | [3] | 48 | [3]
Interest Rate Swap Assets, Fair Value Disclosure | 8 |  | 4 |
Total assets | 1,884 |  | 2,135 |
Margin deposits held by us posted by our counterparties | 3 | [2],[4] | 11 | [2],[4]
Commodity futures contracts | 646 |  | 424 |
Commodity forward contracts | 130 | [3] | 26 | [3]
Interest rate swaps | 145 |  | 200 |
Liabilities, Fair Value Disclosure | 924 |  | 661 |
Fair Value, Inputs, Level 1 [Member] |  |  |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |  |  |
Cash equivalents | 871 | [1] | 1,502 | [1]
Margin deposits | 276 |  | 196 |
Commodity futures contracts | 595 |  | 385 |
Commodity forward contracts | 0 | [3] | 0 | [3]
Interest Rate Swap Assets, Fair Value Disclosure | 0 |  | 0 |
Total assets | 1,742 |  | 2,083 |
Margin deposits held by us posted by our counterparties | 3 |  | 11 |
Commodity futures contracts | 646 |  | 424 |
Commodity forward contracts | 0 | [3] | 0 | [3]
Interest rate swaps | 0 |  | 0 |
Liabilities, Fair Value Disclosure | 649 |  | 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 deposits | 0 |  | 0 |
Commodity futures contracts | 0 |  | 0 |
Commodity forward contracts | 112 | [3] | 24 | [3]
Interest Rate Swap Assets, Fair Value Disclosure | 8 |  | 4 |
Total assets | 120 |  | 28 |
Margin deposits held by us posted by our counterparties | 0 |  | 0 |
Commodity futures contracts | 0 |  | 0 |
Commodity forward contracts | 121 | [3] | 18 | [3]
Interest rate swaps | 145 |  | 200 |
Liabilities, Fair Value Disclosure | 266 |  | 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 deposits | 0 |  | 0 |
Commodity futures contracts | 0 |  | 0 |
Commodity forward contracts | 22 | [3] | 24 | [3]
Interest Rate Swap Assets, Fair Value Disclosure | 0 |  | 0 |
Total assets | 22 |  | 24 |
Margin deposits held by us posted by our counterparties | 0 |  | 0 |
Commodity futures contracts | 0 |  | 0 |
Commodity forward contracts | 9 | [3] | 8 | [3]
Interest rate swaps | 0 |  | 0 |
Liabilities, Fair Value Disclosure | $ 9 |  | $ 8 |
[1] | As of June 30, 2013 and December 31, 2012, we had cash equivalents of $699 million and $1,274 million included in cash and cash equivalents and $172 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 Condensed 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 5 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 Condensed Balance Sheets.

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- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition Fair value portion of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash -URI http://asc.fasb.org/extlink&oid=6506951 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Cash Equivalents -URI http://asc.fasb.org/extlink&oid=6507016 + Details
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- Definition Fair value of financial and nonfinancial obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258 + Details
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- Definition The amount of cash or securities placed with a broker or counterparty as security for a trading or derivatives securities position which was partially obtained with funds provided by the broker dealer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition This element represents money paid in advance to protect the provider of a product or service, such as a lessor, against damage or nonpayment by the buyer or tenant (lessee) during the term of the agreement. Such damages may include physical damage to the property, theft of property, and other contractual breaches. Security deposits held may be interest or noninterest bearing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.15(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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