Annual report pursuant to Section 13 and 15(d)

Investment Income (Loss) (Details)

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Investment Income (Loss) (Details) (USD $)
In Millions
12 Months Ended
Sep. 27, 2009
Components of Investment Income (Loss), Net [Abstract]  
Other-than-temporary impairment losses on marketable securities $ 747
Noncredit portion of losses on debt securities $ 4