Document and Entity Information (USD $)	9 Months Ended
	Sep. 28, 2014	Oct. 20, 2014	Jun. 28, 2013
Document and Entity Information [Abstract]
Entity Registrant Name	HASBRO INC
Entity Central Index Key	0000046080
Current Fiscal Year End Date	--12-28
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 5,179,219,000
Entity Common Stock, Shares Outstanding		125,682,285
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 28, 2014