Document and Entity Information - USD ($)	12 Months Ended
	Mar. 02, 2019	Apr. 16, 2019	Sep. 01, 2018
Document and Entity Information
Entity Registrant Name	RITE AID CORP
Entity Central Index Key	0000084129
Document Type	10-K
Document Period End Date	Mar. 02, 2019
Amendment Flag	false
Current Fiscal Year End Date	--03-02
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 1,448,571,281
Entity Common Stock, Shares Outstanding		53,901,162
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY