Income Taxes Unrecognized Tax Benefits (Details) (USD $) In Millions |
12 Months Ended | ||
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Sep. 25, 2011 |
Sep. 26, 2010 |
Sep. 27, 2009 |
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Changes in the Amount of Unrecognized Tax Benefits [Roll Forward] | |||
Beginning balance of unrecognized tax benefits | $ 353 | $ 84 | $ 244 |
Additions based on prior year tax positions | 64 | 223 | 39 |
Reductions for prior year tax positions | (10) | (58) | (202) |
Additions for current year tax positions | 12 | 165 | 3 |
Settlements with taxing authorities | (323) | (61) | 0 |
Ending balance of unrecognized tax benefits | $ 96 | $ 353 | $ 84 |
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.
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- Definition The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The gross amount of decreases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The gross amount of decreases in unrecognized tax benefits resulting from settlements with taxing authorities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions that have been or will be taken in the tax return for the current period, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The gross amount of increases in unrecognized tax benefits resulting from tax positions taken in prior period tax returns, excluding amounts pertaining to examined tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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