Document and Entity Information - USD ($)	12 Months Ended
	Feb. 29, 2020	Apr. 16, 2020	Aug. 31, 2019
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Feb. 29, 2020
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 Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Common Stock, Shares Outstanding		54,704,579
Entity Public Float			$ 349,426,555
Current Fiscal Year End Date	--02-29
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	FY
Entity Central Index Key	0000084129
Amendment Flag	false