Boolean flag that is true when the XBRL content amends previously-filed or accepted submission.

No definition available.

Name:	dei_AmendmentFlag
Namespace Prefix:	dei_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

- Definition

PCAOB issued Audit Firm Identifier

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 10-K
-Number 249
-Section 310

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 20-F
-Number 249
-Section 220
-Subsection f

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Form 40-F
-Number 249
-Section 240
-Subsection f

Document and Entity Information - USD ($) $ in Billions	12 Months Ended
Document and Entity Information - USD ($) $ in Billions	May 31, 2024	Jul. 11, 2024	Nov. 30, 2023
Document Information [Line Items]
Document Type	10-K
Document Period End Date	May 31, 2024
Amendment Flag	false
Document Fiscal Year Focus	2024
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 File Number	1-15829
Entity Tax Identification Number	62-1721435
Entity Address, Address Line One	942 South Shady Grove Road
Entity Address, City or Town	Memphis
Entity Address, State or Province	TN
Entity Address, Postal Zip Code	38120
City Area Code	901
Local Phone Number	818-7500
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Small Business	false
Entity Emerging Growth Company	false
Entity Public Float			$ 59.5
Entity Common Stock, Shares Outstanding		244,302,246
Entity Incorporation, State or Country Code	DE
Document Annual Report	true
Document Transition Report	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Auditor Name	Ernst & Young LLP
Auditor Firm ID	42
Auditor Location	Memphis, Tennessee
Documents Incorporated by Reference	Portions of the Registrant’s definitive proxy statement to be delivered to stockholders in connection with the 2024 annual meeting of stockholders to be held on September 23, 2024 are incorporated by reference in response to Part III of this Report.
Common Stock, Par Value $0.10 Per Share [Member]
Document Information [Line Items]
Trading Symbol	FDX
Title of 12(b) Security	Common Stock, par value $0.10 per share
Security Exchange Name	NYSE
0.450% Notes Due 2025 [Member]
Document Information [Line Items]
Trading Symbol	FDX 25A
Title of 12(b) Security	0.450% Notes due 2025
Security Exchange Name	NYSE
1.625% Notes Due 2027 [Member]
Document Information [Line Items]
Trading Symbol	FDX 27
Title of 12(b) Security	1.625% Notes due 2027
Security Exchange Name	NYSE
0.450% Notes Due 2029 [Member]
Document Information [Line Items]
Trading Symbol	FDX 29A
Title of 12(b) Security	0.450% Notes due 2029
Security Exchange Name	NYSE
1.300% Notes Due 2031 [Member]
Document Information [Line Items]
Trading Symbol	FDX 31
Title of 12(b) Security	1.300% Notes due 2031
Security Exchange Name	NYSE
0.950% Notes Due 2033 [Member]
Document Information [Line Items]
Trading Symbol	FDX 33
Title of 12(b) Security	0.950% Notes due 2033
Security Exchange Name	NYSE