Document and Entity Information - USD ($)	9 Months Ended
	Sep. 27, 2015	Oct. 19, 2015	Jun. 26, 2014
Document and Entity Information [Abstract]
Entity Registrant Name	HASBRO INC
Entity Central Index Key	0000046080
Current Fiscal Year End Date	--12-27
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		124,623,554
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	Q3
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Sep. 27, 2015