Quarterly report pursuant to Section 13 or 15(d)

Investment Income, Net (Details)

v2.4.0.6
Investment Income, Net (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended 6 Months Ended
Mar. 25, 2012
Mar. 27, 2011
Mar. 25, 2012
Mar. 27, 2011
Components of investment income, net [Abstract]        
Interest and dividend income $ 146 $ 126 [1] $ 275 $ 256 [1]
Interest expense (29) (30) [1] (57) (54) [1]
Net realized gains on marketable securities 90 102 [1] 127 230 [1]
Net realized gains on other investments 11 0 [1] 17 1 [1]
Impairment losses on marketable securities (23) (4) [1] (37) (11) [1]
Impairment losses on other investments (1) (1) [1] (6) (5) [1]
Gains on derivative instruments 28 0 [1] 74 0 [1]
Equity in losses of investees (2) (4) [1] (4) (5) [1]
Investment income, net $ 220 $ 189 [1] $ 389 $ 412 [1]
[1] As adjusted for discontinued operations (Note 8)