Document and Entity Information - USD ($)	12 Months Ended
	Mar. 03, 2018	Apr. 16, 2018	Sep. 02, 2017
Document and Entity Information
Entity Registrant Name	RITE AID CORP
Entity Central Index Key	0000084129
Document Type	10-K
Document Period End Date	Mar. 03, 2018
Amendment Flag	false
Current Fiscal Year End Date	--03-03
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 2,554,051,629
Entity Common Stock, Shares Outstanding		1,067,392,353
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	FY