v2.4.0.6

Fair Value Measurements (Tables) | 12 Months Ended
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Dec. 31, 2011
Fair Value Measurements [Abstract] |
Schedule Of Carrying Value And Fair Value Measurement Information For Financial Assets And Liabilities |
|  |  | Fair Value Measurements Using:
| Carrying Amount | Total Fair Value | Level 1 Inputs | Level 2 Inputs | Level 3 Inputs
| (In millions)
December 31, 2011 assets (liabilities): |  |  |  |  |
Cash equivalents | $ 5,123 | $ 5,123 | $ 1,369 | $ 3,754 | $ —
Short-term investments | $ 1,503 | $ 1,503 | $ 490 | $ 1,013 | $ —
Long-term investments | $ 84 | $ 84 | $ — | $ — | $ 84
Commodity derivatives | $ 628 | $ 628 | $ — | $ 628 | $ —
Commodity derivatives | $ (82) | $ (82) | $ — | $ (82) | $ —
Interest rate derivatives | $ 52 | $ 52 | $ — | $ 52 | $ —
Debt | $ (9,780) | $ (11,380) | $ — | $ (11,295) | $ (85)
|  |  | Fair Value Measurements Using:
| Carrying Amount | Total Fair Value | Level 1 Inputs | Level 2 Inputs | Level 3 Inputs
| (In millions)
December 31, 2010 assets (liabilities): |  |  |  |  |
Cash equivalents | $ 2,335 | $ 2,335 | $ 2,335 | $ — | $ —
Short-term investments | $ 145 | $ 145 | $ 145 | $ — | $ —
Long-term investments | $ 94 | $ 94 | $ — | $ — | $ 94
Commodity derivatives | $ 249 | $ 249 | $ — | $ 249 | $ —
Commodity derivatives | $ (192) | $ (192) | $ — | $ (192) | $ —
Interest rate derivatives | $ 140 | $ 140 | $ — | $ 140 | $ —
Debt | $ (5,630) | $ (6,629) | $ — | $ (6,485) | $ (144)
Schedule Of Changes In Level 3 Fair Value Measurements |
| Year Ended December 31,
| 2011 | 2010
| (In millions)
Long-term investments balance at beginning of period | $ 94 | $ 115
Redemptions of principal | (10) | (21)
Long-term investments balance at end of period | $ 84 | $ 94
Debt balance at beginning of period | $ (144) | $ —
Issuance of promissory note | — | (139)
Foreign exchange translation adjustment | 1 | (9)
Accretion of promissory note | (5) | (3)
Redemptions of principal | 63 | 7
Debt balance at end of period | $ (85) | $ (144)

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- Definition Schedule of Changes in Level 3 Fair Value Measurements [Text Block] + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 820 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6925170&loc=d3e19190-110258 + Details
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