Restructuring Charges and Cost Savings Initiatives (Schedule Of Restructuring Charges Associated With Each Reportable Segment) (Details) - USD ($) $ in Millions		3 Months Ended		12 Months Ended
		Oct. 28, 2018	Oct. 29, 2017	Jul. 29, 2018
Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 27	$ 17
2015 and Snyder's-Lance Initiatives [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		46	$ 19
Restructuring and Related Cost, Cost Incurred to Date	[1]	520
2015 and Snyder's-Lance Initiatives [Member] | Meals and Beverages [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		23
Restructuring and Related Cost, Cost Incurred to Date		201
2015 and Snyder's-Lance Initiatives [Member] | Global Biscuits and Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		9
Restructuring and Related Cost, Cost Incurred to Date	[2]	185
2015 and Snyder's-Lance Initiatives [Member] | Campbell Fresh [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		3
Restructuring and Related Cost, Cost Incurred to Date		14
2015 and Snyder's-Lance Initiatives [Member] | Corporate, Non-Segment [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		11
Restructuring and Related Cost, Cost Incurred to Date		$ 120
Snyder's-Lance Cost Transformation Program and Integration [Member] | Global Biscuits and Snacks [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost				$ 25

[1] Includes $13 of Restructuring charges and $12 of Administrative expenses associated with the Snyder's-Lance cost transformation program and integration recognized in 2018.

[2] Includes $25 of pre-tax costs associated with the Global Biscuits and Snacks segment recognized in 2018 related to the Snyder's-Lance cost transformation program and integration.