Restructuring Charges and Cost Savings Initiatives (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended			12 Months Ended
	Nov. 01, 2015		Nov. 02, 2014	Aug. 02, 2015
Restructuring Cost and Reserve [Line Items]
Restructuring charges	$ 21		$ 0
Corporate, Non-Segment [Member] | Other Cost Savings Implementation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 15
2015 Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated	230
Restructuring charges	$ 21			$ 102
Restructuring and Related Cost, Incurred Cost	36
Restructuring charges and related costs, after tax	$ 23			$ 78
Restructuring charges, Per Diluted Share	$ 0.07			$ 0.25
2015 Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 21
2015 Initiatives [Member] | Americas Simple Meals and Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Allocation	32.00%
2015 Initiatives [Member] | Global Biscuits and Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Allocation	31.00%
2015 Initiatives [Member] | Campbell Fresh [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Allocation	3.00%
2015 Initiatives [Member] | Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Allocation	34.00%
General and Administrative Expense [Member] | 2015 Initiatives [Member] | Other Cost Savings Implementation Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost	$ 15	[1]		$ 22
Minimum [Member] | 2015 Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	250
Minimum [Member] | 2015 Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	150
Minimum [Member] | 2015 Initiatives [Member] | Implementation and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	100
Maximum [Member] | 2015 Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	325
Maximum [Member] | 2015 Initiatives [Member] | Severance Pay And Benefits [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	165
Maximum [Member] | 2015 Initiatives [Member] | Implementation and Other Costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	$ 160
UNITED STATES | 2015 Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Number of Positions Eliminated	471

[1] Includes other costs recognized as incurred that are not reflected in the restructuring reserve in the Consolidated Balance Sheet. The costs are included in Administrative expenses in the Consolidated Statements of Earnings.