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Investment Income, Net (Details) (USD $)
In Millions |
3 Months Ended | 9 Months Ended | ||
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Jun. 26, 2011
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Jun. 27, 2010
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Jun. 26, 2011
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Jun. 27, 2010
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| Components of investment income, net [Abstract] | ||||
| Interest and dividend income | $ 127 | $ 131 | $ 384 | $ 405 |
| Interest expense | (29) | (10) | (84) | (19) |
| Net realized gains on marketable securities | 72 | 90 | 302 | 272 |
| Net realized gains on other investments | 1 | 2 | 2 | 2 |
| Impairment losses on marketable securities | (5) | (28) | (16) | (95) |
| Impairment losses on other investments | (5) | (1) | (10) | (7) |
| (Losses) gains on derivative instruments | 0 | (2) | 1 | (3) |
| Equity in earnings (losses) of investees | 0 | 1 | (5) | (3) |
| Investment income, net | $ 161 | $ 183 | $ 574 | $ 552 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
This element represents losses recognized for other-than-temporary impairments on investments accounted for under the cost and equity methods of accounting.
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- Definition
Represents investment income from investments in debt and equity securities consisting of interest and dividend income, income/expense derived from the amortization of investment related discounts or premiums, net of related investment expenses, realized gains or losses on the sale or holding of investments required to be included in earnings for the period, other than temporary losses, interest expense, gains or losses on derivative instruments, and equity in earnings or losses of investees.
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| X | ||||||||||
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- Definition
This item represents the total realized gain (loss) included in earnings for the period as a result of selling marketable securities categorized as trading, available-for-sale, or held-to-maturity. This item does not include any losses recognized for other than temporary impairments of the subject investments in debt and equity securities, or the noncredit portion of losses on debt securities recognized in other comprehensive income.
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| X | ||||||||||
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- Definition
This element represents the amount of loss recognized for other than temporary impairments of investments in debt and equity securities excluding the noncredit portion of impairment losses on debt securities, which is recognized in other comprehensive income.
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- Definition
Net Increase or Decrease in the fair value of the derivative or group of derivatives included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The difference between the book value and the sale price of other nonspecific investments. This element is used when other, more specific, elements are not appropriate. This element refers to the gain (loss) included in earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The cost of borrowed funds accounted for as interest that was charged against earnings during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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