Quarterly report pursuant to Section 13 or 15(d)

Goodwill Impairment (Details)

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Goodwill Impairment (Details) (USD $)
In Millions
3 Months Ended 9 Months Ended
Jun. 26, 2011
Jun. 27, 2010
Jun. 26, 2011
Jun. 27, 2010
Goodwill [Line Items]        
Goodwill impairment $ 0 $ 0 $ 114 $ 0
Goodwill Balance for Firethorn reporting unit $ 40   $ 40