Document and Entity Information - USD ($) $ in Billions	12 Months Ended
	May 31, 2016	Jul. 14, 2016	Nov. 30, 2015
Document and Entity Information [Abstract]
Document Type	10-K
Document Period End Date	May 31, 2016
Amendment Flag	false
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	FY
Entity Registrant Name	FedEx Corporation
Entity Central Index Key	0001048911
Current Fiscal Year End Date	--05-31
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Filer Category	Large Accelerated Filer
Entity Public Float			$ 40.6
Entity Common Stock, Shares Outstanding		265,524,323
trading symbol	FDX