Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.4.0.6
Fair Value Measurements (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Sep. 25, 2011
Sep. 26, 2010
Goodwill [Line Items]      
Goodwill impairment $ 23 $ 114 $ 0
Goodwill carrying value 3,917 3,432  
Firethorn [Member]
     
Goodwill [Line Items]      
Goodwill impairment 23 114  
Goodwill carrying value $ 17 $ 40