Goodwill And Intangible Assets (Goodwill) (Details) $ in Millions	3 Months Ended
	Nov. 01, 2015 USD ($)
Goodwill [Line Items]
Beginning Balance	$ 2,344
Foreign currency translation adjustment	(13)
Ending Balance	2,331
Americas Simple Meals and Beverages [Member]
Goodwill [Line Items]
Beginning Balance	775
Foreign currency translation adjustment	0
Ending Balance	775
Global Biscuits and Snacks [Member]
Goodwill [Line Items]
Beginning Balance	732
Foreign currency translation adjustment	(13)
Ending Balance	719
Campbell Fresh [Member]
Goodwill [Line Items]
Beginning Balance	837
Foreign currency translation adjustment	0
Ending Balance	$ 837