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Income Taxes (Details 3) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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| Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] | |||
| Balance, January 1 | $ 1,230 | $ 1,223 | $ 1,377 |
| Increases: | |||
| Current year tax positions | 124 | 51 | 77 |
| Tax positions related to prior years | 176 | 64 | 247 |
| Decreases: | |||
| Tax positions related to prior years | (371) | (44) | (457) |
| Settlements with tax authorities | (94) | (25) | (2) |
| Lapse of statute of limitations | (21) | (37) | (19) |
| Effects of foreign currency translations | 0 | (2) | 0 |
| Balance, December 31 | $ 1,044 | $ 1,230 | $ 1,223 |
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of decrease in unrecognized tax benefits resulting from foreign currency translation. No definition available.
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- Definition
Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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