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Income, Sales-Based And Other Taxes (Narrative) (Details) (USD $)
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12 Months Ended | ||
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2009
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| Income, Sales-Based And Other Taxes [Abstract] | |||
| Net credits/(charges) of deferred income taxes | $ 330,000,000 | $ (175,000,000) | $ 9,000,000 |
| Reconciliation between income tax expense and theoretical U.S. tax rate, statutory rate | 35.00% | 35.00% | 35.00% |
| Indefinitely reinvested, undistributed earnings from subsidiary companies outside the U.S. | 47,000,000,000 | ||
| Potential percentage increase in unrecognized tax benefits | 50.00% | ||
| Credit of net interest expense on income tax reserves | 39,000,000 | ||
| Interest expense on income tax reserves | 62,000,000 | 135,000,000 | |
| Interest payable on income tax reserves | $ 662,000,000 | $ 636,000,000 | |
| X | ||||||||||
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- Definition
A credit or adjustment for government or taxing authority authorized decrease in taxes owed as a result of meeting certain tax policy conditions. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of estimated interest accrued as of the balance sheet date arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of estimated interest recognized in the period arising from income tax examinations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Credit of net interest expense on income tax reserves. No definition available.
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- Details
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- Definition
Income tax rate reconciliation, staturtory rate. No definition available.
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- Definition
Percentage Increase In Unrecognized Tax Benefits No definition available.
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- Definition
Undistributed Earnings From Subsidiary Companies Reinvested No definition available.
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