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Aggregate Changes in the Balance of Gross Unrecognized Tax Benefits, which Excludes Interest and Penalties (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
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Sep. 27, 2014
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Sep. 28, 2013
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Sep. 29, 2012
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| Income Taxes [Line Items] | |||
| Beginning Balance | $ 2,714 | $ 2,062 | $ 1,375 |
| Increases related to tax positions taken during a prior year | 1,295 | 745 | 340 |
| Decreases related to tax positions taken during a prior year | (280) | (118) | (107) |
| Increases related to tax positions taken during the current year | 882 | 626 | 467 |
| Decreases related to settlements with taxing authorities | (574) | (592) | (3) |
| Decreases related to expiration of statute of limitations | (4) | (9) | (10) |
| Ending Balance | $ 4,033 | $ 2,714 | $ 2,062 |
| X | ||||||||||
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- Details
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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 tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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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| X | ||||||||||
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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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| X | ||||||||||
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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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| X | ||||||||||
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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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