Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Charges Associated With Each Reportable Segment) (Details) - 2015 Initiatives [Member] $ in Millions	3 Months Ended	9 Months Ended
	May. 01, 2016 USD ($)	May. 01, 2016 USD ($)
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 15	$ 70
Restructuring and Related Cost, Cost Incurred to Date	194	194
Americas Simple Meals and Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	1	17
Restructuring and Related Cost, Cost Incurred to Date	71	71
Global Biscuits and Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	3	23
Restructuring and Related Cost, Cost Incurred to Date	67	67
Campbell Fresh [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	0	0
Restructuring and Related Cost, Cost Incurred to Date	1	1
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	11	30
Restructuring and Related Cost, Cost Incurred to Date	$ 55	$ 55