Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements Activity Between Levels of the Fair Value Hierarchy, Assets (Details)

v2.4.0.8
Fair Value Measurements Activity Between Levels of the Fair Value Hierarchy, Assets (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Dec. 29, 2013
Dec. 30, 2012
Auction Rate Securities [Member]
   
Activity for Marketable Securities Classified Within Level 3 of the Valuation Hierarchy [Roll Forward]    
Beginning balance of Level 3 $ 83 $ 118
Total realized and unrealized gains or losses [Abstract]    
Included in investment income, net 0 0
Included in other comprehensive income 0 1
Purchases 0 0
Sales 0 0
Settlements 0 (34)
Transfers into Level 3 0 0
Ending balance of Level 3 83 85
Other Marketable Securities [Member]
   
Activity for Marketable Securities Classified Within Level 3 of the Valuation Hierarchy [Roll Forward]    
Beginning balance of Level 3 239 203
Total realized and unrealized gains or losses [Abstract]    
Included in investment income, net 2 2
Included in other comprehensive income (1) 2
Purchases 23 41
Sales (9) (1)
Settlements (8) (19)
Transfers into Level 3 0 14
Ending balance of Level 3 $ 246 $ 242