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Acquistions (Narrative) (Details) - Garden Fresh Gourmet [Member] - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 29, 2015
Jan. 31, 2016
Jan. 31, 2016
Business Acquisition [Line Items]      
Payments to Acquire Businesses, Gross $ 232    
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual   $ 25 $ 51