Document and Entity Information - USD ($)	12 Months Ended
	Dec. 27, 2015	Feb. 08, 2016	Jun. 26, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	HASBRO INC
Entity Central Index Key	0000046080
Current Fiscal Year End Date	--12-27
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	No
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 8,638,748,000
Entity Common Stock, Shares Outstanding		124,795,430
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 27, 2015