Document And Entity Information (USD $)	12 Months Ended
	Dec. 25, 2011	Feb. 06, 2012	Jun. 24, 2011
Entity Registrant Name	HASBRO INC
Entity Central Index Key	0000046080
Current Fiscal Year End Date	--12-25
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 5,231,438,000
Entity Common Stock, Shares Outstanding		128,642,089
Document Fiscal Year Focus	2011
Document Fiscal Period Focus	FY
Document Type	10-K
Amendment Flag	false
Document Period End Date	Dec. 25, 2011