Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements (Details)

v2.3.0.15
Fair Value Measurements (Details) (USD $)
In Millions
12 Months Ended
Sep. 25, 2011
Sep. 26, 2010
Sep. 27, 2009
Nonrecurring Fair Value Measurements [Abstract]      
Goodwill balance prior to impairment for Firethorn reporting unit $ 154    
Goodwill balance for Firethorn reporting unit 40    
Goodwill Impairment Charge $ 114 $ 0 $ 0