Cover Page - USD ($)	12 Months Ended
	Dec. 26, 2021	Feb. 07, 2022	Jun. 27, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 26, 2021
Current Fiscal Year End Date	--12-26
Entity File Number	1-6682
Entity Registrant Name	Hasbro, Inc.
Entity Incorporation, State or Country Code	RI
Entity Tax Identification Number	05-0155090
Entity Address, Address Line One	1027 Newport Avenue
Entity Address, City or Town	Pawtucket,
Entity Address, State or Province	RI
Entity Address, Postal Zip Code	02861
City Area Code	401
Local Phone Number	431-8697
Title of 12(b) Security	Common Stock
Trading Symbol	HAS
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 11,813,779,632
Entity Common Stock, Shares Outstanding		138,959,768
Documents Incorporated by Reference	Portions of our definitive proxy statement for our 2022 Annual Meeting of Shareholders are incorporated by reference into Part III of this Report.
Entity Central Index Key	0000046080
Document Transition Report	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Amendment Flag	false