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Income Taxes (Tables) | 9 Months Ended
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Sep. 30, 2011
Income Taxes [Abstract] |
Income Taxes And Related Effective Tax Rates |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
In millions |  | 2011 |  |  | 2010 |  |  | 2011 |  |  | 2010 |
Pre-tax income (loss) |  | $ | 745 |  |  |  |  |  |  | $ | (356) |  |  |  |  |  |  | $ | (1,165) |  |  |  |  |  |  | $ | (647) |  |  |  |  |
Provision (benefit) for income taxes |  | $ | 301 |  |  |  | 40.4% |  |  | $ | (143) |  |  |  | 40.2% |  |  | $ | (472) |  |  |  | 40.5% |  |  | $ | (249) |  |  |  | 38.5% |

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- Definition Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 740 -SubTopic 10 -Publisher FASB -Number -Article -Subparagraph -Name Accounting Standards Codification -Paragraph 12 -Section 50 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319 + Details
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