Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements 1 (Details)

 v2.3.0.11
Fair Value Measurements 1 (Details) (USD $)
In Millions
3 Months Ended 9 Months Ended
Jun. 26, 2011
Jun. 27, 2010
Jun. 26, 2011
Jun. 27, 2010
Nonrecurring fair value measurements [Abstract]        
Goodwill Balance Prior To Impairment For Firethorn Reporting Unit     $ 154  
Goodwill Balance for Firethorn reporting unit 40   40  
Goodwill impairment 0 0 114 0
Auction Rate Securities [Member]
       
Fair value hierarchy for assets and liabilities measured at fair value on a recurring basis [Line items]        
Beginning balance of Level 3     126 174
Total realized and unrealized gains (losses):        
Included in investment income, net     0 0
Included in other comprehensive income (loss)     2 3
Purchases     4  
Settlements     (6) (6)
Transfers into Level 3     0 0
Ending balance of Level 3 126 171 126 171
Other marketable securities [Member]
       
Fair value hierarchy for assets and liabilities measured at fair value on a recurring basis [Line items]        
Beginning balance of Level 3     18 31
Total realized and unrealized gains (losses):        
Included in investment income, net     1 5
Included in other comprehensive income (loss)     0 (2)
Purchases     0  
Settlements     (4) (19)
Transfers into Level 3     6 4
Ending balance of Level 3 21 19 21 19
Other Liabilities [Member]
       
Fair value hierarchy for assets and liabilities measured at fair value on a recurring basis [Line items]        
Beginning balance of Level 3     8  
Total realized and unrealized gains (losses):        
Included in investment income, net     0  
Included in other comprehensive income     0  
Purchases     0  
Settlements     0  
Transfers into Level 3     0  
Ending balance of Level 3 $ 8   $ 8