v2.4.0.6

Derivative Financial Instruments (Schedule Of Derivative Financial Instruments Included In The Consolidated Balance Sheets And Consolidated Comprehensive Statement Of Earnings) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2011 | Dec. 31, 2010 | Dec. 31, 2009
Derivative [Line Items] |  |  |
Fair value of derivative assets | $ 680 | $ 389 |
Fair value of derivative liabilities | 82 | 192 |
Total cash settlements | 485 | 932 | 545
Total unrealized gains (losses) | 401 | (107) | (55)
Net gain recognized on comprehensive statements of earnings | 886 | 825 | 490
Other Current Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative assets | 641 | 348 |
Commodity Derivatives [Member] |  |  |
Derivative [Line Items] |  |  |
Total cash settlements | 392 | 888 | 505
Total unrealized gains (losses) | 489 | (77) | (121)
Commodity Derivatives [Member] | Other Current Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative assets | 611 | 248 |
Commodity Derivatives [Member] | Other Long-Term Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative assets | 17 | 1 |
Commodity Derivatives [Member] | Other Current Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative liabilities | 82 | 50 |
Commodity Derivatives [Member] | Other Long-Term Liabilities [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative liabilities |  | 142 |
Interest Rate Derivatives [Member] |  |  |
Derivative [Line Items] |  |  |
Total cash settlements | 77 | 44 | 40
Total unrealized gains (losses) | 88 | 30 | (66)
Interest Rate Derivatives [Member] | Other Current Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative assets | 30 | 100 |
Interest Rate Derivatives [Member] | Other Long-Term Assets [Member] |  |  |
Derivative [Line Items] |  |  |
Fair value of derivative assets | 22 | 40 |
Foreign Exchange Derivatives [Member] |  |  |
Derivative [Line Items] |  |  |
Total cash settlements | $ 16 |  |

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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 + Details
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- Definition Fair value as of the balance sheet date of derivative instrument not designated as hedging instrument and classified as a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 107 -Paragraph 10 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5624163-113959 + Details
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- Details
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5618551-113959 + Details
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- Definition The difference between the book value and the sale price of options, swaps, futures, forward contracts, and other derivative instruments. This element refers to the gain (loss) included in earnings. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.13(h)) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 + Details
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