Document and Entity Information (USD $)	12 Months Ended
	Dec. 28, 2014	Feb. 10, 2015	Jun. 26, 2014
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			$ 5,864,425,000
Entity Common Stock, Shares Outstanding		124,311,655
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 28, 2014