Document and Entity Information Document	9 Months Ended
	Apr. 28, 2013	May 30, 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-Q
Document Period End Date	Apr. 28, 2013
Document Fiscal Year Focus	2013
Document Fiscal Period Focus	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		313,144,813
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes