Marketable Securities (Details) (USD $) In Millions, unless otherwise specified |
12 Months Ended | |
|---|---|---|
Sep. 25, 2011 |
Sep. 26, 2010 |
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| Marketable Securities [Abstract] | ||
| Effective ownership interest in debt mutual fund (fair value option) (percentage) | 21.00% | |
| Changes in fair value of debt mutual fund (fair value option) | $ 9 | $ 17 |
| Time deposits - Current | $ 0 | $ 400 |
| Expiration date of time deposits | December 2010 | |
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- Definition This element represents the changes in fair value of debt mutual fund for which the entity elected fair value option.
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- Definition This element represents the effective ownership interest in debt mutual fund for which the entity elected fair value option.
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- Definition This element represents the expiration date of time deposits.
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- Details
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- Definition Amount of time deposits (including certificates of deposits, individual retirement accounts and open accounts) held by the entity with a remaining term of twelve months or less. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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