Business And Geographic Segment Information (Schedule Of Segment Reporting - Earnings Before Interest And Taxes) (Details) - USD ($) $ in Millions		3 Months Ended
		Nov. 01, 2015	Nov. 02, 2014
Segment Reporting Information [Line Items]
Earnings before interest and taxes		$ 315	$ 389
Americas Simple Meals and Beverages [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		363	305
Global Biscuits and Snacks [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		114	98
Campbell Fresh [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes		18	9
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[1]	(159)	(23)
Corporate, Non-Segment [Member] | Other Cost Savings Implementation Costs [Member]
Segment Reporting Information [Line Items]
Restructuring and Related Cost, Incurred Cost		15
Corporate, Non-Segment [Member] | Pension Plan, Defined Benefit [Member]
Segment Reporting Information [Line Items]
Recognized net actuarial loss		128
Restructuring Charges [Member]
Segment Reporting Information [Line Items]
Earnings before interest and taxes	[2]	$ (21)	$ 0

[1] Represents unallocated items. Costs of $128 related to pension and postretirement mark-to-market adjustments (see Note 1 for additional information) and costs of $15 related to the implementation of our new organizational structure and cost savings initiatives (see Note 7 for additional information) were included in the three-month period ended November 1, 2015.

[2] See Note 7 for additional information.