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Income Taxes Summary of Gross Unrecognized Income Tax Benefits (Details) (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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| Gross Unrecognized Income Tax Benefits [Line Items] | |||
| Balance at January 1 | $ 444 | $ 236 | $ 224 |
| Increases and decreases as a result of positions taken during prior years | |||
| Transfers from valuation allowances | 13 | 0 | 0 |
| Other increases | 7 | 1 | 3 |
| Other decreases, including currency translation | (7) | 0 | (14) |
| Balances related to acquired businesses | 2 | 177 | 2 |
| Increases as a result of positions taken during the current year | 35 | 36 | 31 |
| Decreases relating to settlements with tax authorities | (6) | 0 | (2) |
| Decreases as a result of a lapse of the applicable statute of limitations | (9) | (6) | (8) |
| Balance at December 31 | $ 479 | $ 444 | $ 236 |
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- Details
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- Details
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- Definition
Increases and Decreases - Unrecognized tax benefits increases other. No definition available.
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- Definition
Increases and Decreases - Unrecognized tax benefits transfers resulting from valuation allowances. No definition available.
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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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- Definition
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 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 acquisitions. No definition available.
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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 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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