Annual report pursuant to Section 13 and 15(d)

Employee Benefit Plans Summary of RSU Transactions (Details)

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Employee Benefit Plans Summary of RSU Transactions (Details) (Restricted Stock Units [Member], USD $)
12 Months Ended
Sep. 25, 2011
Restricted Stock Units [Member]
 
Summary of RSU Transactions for All Equity Compensation Plans, Additional Disclosures [Abstract]  
RSUs outstanding at beginning of period, weighted average grant date fair value $ 35.72
RSUs granted, weighted average grant date fair value $ 52.84
RSUs assumed, weighted average grant date fair value $ 50.94
RSUs cancelled/forfeited, weighted average grant date fair value $ 43.67
RSUs vested, weighted average grant date fair value $ 49.51
RSUs outstanding at end of period, weighted average grant date fair value $ 48.69
RSUs outstanding at end of period, aggregate intrinsic value $ 1,100,000,000
Summary of Equity Instruments Other Than Options [Roll Forward]  
RSUs outstanding at September 26, 2010 5,555
RSUs granted 13,687
RSUs assumed 4,961
RSUs cancelled/forfeited (654)
RSUs vested (797)
RSUs outstanding at September 25, 2011 22,752
Employee Service Share-Based Compensation, Aggregate Disclosures [Abstract]  
Unrecognized compensation costs on nonvested awards $ 803,000,000
Nonvested awards, total compensation cost not yet recognized, period for recognition (years) 2.3