Document and Entity Information Document (USD $)	12 Months Ended
	Jul. 28, 2013	Sep. 13, 2013	Jan. 27, 2013
Entity Information [Line Items]
Entity Registrant Name	CAMPBELL SOUP CO
Entity Central Index Key	0000016732
Current Fiscal Year End Date	--07-28
Entity Filer Category	Large Accelerated Filer
Document Type	10-K
Document Period End Date	Jul. 28, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q4
Amendment Flag	false
Entity Common Stock, Shares Outstanding		313,503,523
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 6,774,117,501