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Other Income And Charges (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended12 Months Ended3 Months Ended12 Months Ended
Jan. 01, 2011
Jul. 03, 2010
Oct. 01, 2011
Oct. 02, 2010
Oct. 03, 2009
Mar. 28, 2009
Processed Meats Plant, Oklahoma [Member]
Oct. 02, 2010
Chicken [Member]
Gain on disposal of an equity method investment$ 11 $ 11    
Insurance proceeds received      38
Equity method impairment 12 12   
Number of jobs eliminated     600 
Plant closing charges     15 
Impairment charges  18363214 
Employee termination benefits     $ 1