Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Items Accounts Receivable (Details)

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Composition of Certain Financial Statement Items Accounts Receivable (Details) (USD $)
In Millions, unless otherwise specified
Mar. 25, 2012
Sep. 25, 2011
Accounts Receivable, Net [Abstract]    
Trade, net of allowances for doubtful accounts of $2 and $2, respectively $ 1,153 $ 951
Long-term contracts 30 32
Other 6 10
Accounts receivable, net 1,189 993
Allowance for doubtful accounts $ 2 $ 2