Cover - USD ($)	12 Months Ended
	Apr. 30, 2021	May 28, 2021	Oct. 30, 2020
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Apr. 30, 2021
Document Transition Report	false
Entity File Number	1-06089
Entity Registrant Name	H&R Block, Inc.
Entity Incorporation, State or Country Code	MO
Entity Tax Identification Number	44-0607856
Entity Address, Address Line One	One H&R Block Way
Entity Address, City or Town	Kansas City
Entity Address, State or Province	MO
Entity Address, Postal Zip Code	64105
City Area Code	816
Local Phone Number	854-3000
Title of 12(b) Security	Common Stock, without par value
Trading Symbol	HRB
Security Exchange Name	NYSE
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			$ 3,215,128,609
Entity Common Stock, Shares Outstanding		181,466,003
Amendment Flag	false
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY
Entity Central Index Key	0000012659
Current Fiscal Year End Date	--04-30