Quarterly report pursuant to Section 13 or 15(d)

Investment Income, Net (Details)

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Investment Income, Net (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Dec. 30, 2012
Dec. 25, 2011
Investment Income, Net [Abstract]    
Interest and dividend income $ 165 $ 130
Interest expense (8) (27)
Net realized gains on marketable securities 94 37
Net realized gains on other investments 2 7
Impairment losses on marketable securities (5) (14)
Impairment losses on other investments (5) (6)
(Losses) gains on derivative instruments (1) 45
Equity in losses of investees (3) (2)
Investment income, net $ 239 $ 170