Document and Entity Information - shares	3 Months Ended
	May 29, 2021	Jun. 23, 2021
Cover [Abstract]
Document Type	10-Q
Document Quarterly Report	true
Document Transition Report	false
Document Period End Date	May 29, 2021
Entity File Number	1-5742
Entity Registrant Name	RITE AID CORP
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	23-1614034
Entity Address, Address Line One	30 Hunter Lane
Entity Address, City or Town	Camp Hill
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	17011
City Area Code	717
Local Phone Number	761-2633
Title of 12(b) Security	Common Stock, $1.00 par value
Trading Symbol	RAD
Security Exchange Name	NYSE
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
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		55,086,812
Current Fiscal Year End Date	--02-26
Document Fiscal Year Focus	2022
Document Fiscal Period Focus	Q1
Entity Central Index Key	0000084129
Amendment Flag	false