Document and Entity Information Document (USD $)	12 Months Ended
	Aug. 03, 2014	Sep. 15, 2014	Jan. 24, 2014
Entity Information [Line Items]
Entity Registrant Name	CAMPBELL SOUP CO
Entity Central Index Key	0000016732
Current Fiscal Year End Date	--08-03
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Aug. 03, 2014
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Amendment Flag	false
Entity Common Stock, Shares Outstanding		314,220,361
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 7,711,154,033