v2.4.0.8
Stock Option Activity and Related Information (Detail) (USD $)
In Millions, except Share data in Thousands, unless otherwise specified
 3 Months Ended
Dec. 28, 2013
Number of Options  
Beginning Balance 4,094
Options granted 1
Options exercised (1,308)
Ending Balance 2,787
Exercisable at end of the period 2,768
Expected to vest after end of the period 19
Weighted-Average Exercise Price  
Beginning Balance $ 139.65
Options granted $ 66.26
Options exercised $ 102.86
Ending Balance $ 156.89
Exercisable at end of the period $ 157.56
Expected to vest after end of the period $ 58.03
Weighted - Average Remaining Contractual Term (in years)  
Ending Balance (in years) 1 year 2 months 12 days
Exercisable at end of the period (in years) 1 year 1 month 6 days
Expected to vest after end of the period (in years) 7 years 7 months 6 days
Aggregate Intrinsic Value  
Ending Balance $ 1,124
Exercisable at end of the period 1,114
Expected to vest after end of the period $ 10