v2.4.0.8
Change in Accumulated Other Comprehensive Income by Component (Detail) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Dec. 28, 2013
Dec. 29, 2012
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance $ (471)  
Other comprehensive income/(loss) before reclassifications 103  
Amounts reclassified from AOCI 71  
Tax effect (9)  
Total other comprehensive income/(loss) 165 113
Ending balance (306)  
Cumulative Foreign Currency Translation
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (105)  
Other comprehensive income/(loss) before reclassifications (90)  
Amounts reclassified from AOCI 0  
Tax effect 23  
Total other comprehensive income/(loss) (67)  
Ending balance (172)  
Unrecognized Gains/Losses on Derivative Instruments
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (175)  
Other comprehensive income/(loss) before reclassifications 261  
Amounts reclassified from AOCI 88  
Tax effect (64)  
Total other comprehensive income/(loss) 285  
Ending balance 110  
Unrealized Gains/Losses on Marketable Securities
    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Beginning balance (191)  
Other comprehensive income/(loss) before reclassifications (68)  
Amounts reclassified from AOCI (17)  
Tax effect 32  
Total other comprehensive income/(loss) (53)  
Ending balance $ (244)