Document and Entity Information (USD $)
12 Months Ended
Dec. 30, 2012
Feb. 07, 2013
Jun. 29, 2012
Document and Entity Information [Abstract]      
Entity Registrant Name HASBRO INC    
Entity Central Index Key 0000046080    
Current Fiscal Year End Date --12-30    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Filer Category Large Accelerated Filer    
Entity Public Float     $ 3,930,604,000
Entity Common Stock, Shares Outstanding   128,744,301  
Document Fiscal Year Focus 2012    
Document Fiscal Period Focus FY    
Document Type 10-K    
Amendment Flag false    
Document Period End Date Dec. 30, 2012