| Document and Entity Information | Mar. 25, 2022 |
| Document And Entity Information [Line Items] | |
| Entity Registrant Name | FEDEX CORP |
| Amendment Flag | true |
| Entity Central Index Key | 0001048911 |
| Document Type | 8-K/A |
| Document Period End Date | Mar. 25, 2022 |
| Entity File Number | 1-15829 |
| Entity Incorporation State Country Code | DE |
| 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 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Description | This Current Report on Form 8-K/A (this “Amendment”) is being filed as an amendment to the Current Report on Form 8-K filed by FedEx Corporation (“FedEx” or the “Company”) on March 28, 2022 (the “Original Filing”). The Original Filing announced that on March 25, 2022, Frederick W. Smith, Chairman of the Board and Chief Executive Officer of FedEx, had informed the Company’s Board of Directors (the “Board”) that he would step down from his position as Chief Executive Officer effective May 31, 2022, and that effective June 1, 2022, the Board appointed Mr. Smith to serve as Executive Chairman and Chairman of the Board. Rajesh Subramaniam, who previously served as President and Chief Operating Officer of FedEx, was appointed President and Chief Executive Officer of FedEx effective June 1, 2022. The sole purpose of this Amendment is to provide additional information regarding the compensation of Mr. Smith and Mr. Subramaniam in their new roles, as approved by the independent members of the Board on June 13, 2022, based upon the recommendation of the Board’s Compensation and Human Resources Committee. |
| Common Stock Par Value Zero Point One Zero Per Share [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common Stock, par value $0.10 per share |
| Trading Symbol | FDX |
| Security Exchange Name | NYSE |
| M 0.450 Notes Due 20255 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 0.450% Notes due 2025 |
| Trading Symbol | FDX 25A |
| Security Exchange Name | NYSE |
| M 1.625 Notes Due 20271 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.625% Notes due 2027 |
| Trading Symbol | FDX 27 |
| Security Exchange Name | NYSE |
| M 0.450 Notes Due 20292 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 0.450% Notes due 2029 |
| Trading Symbol | FDX 29A |
| Security Exchange Name | NYSE |
| M 1.300 Notes Due 20313 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 1.300% Notes due 2031 |
| Trading Symbol | FDX 31 |
| Security Exchange Name | NYSE |
| M 0.950 Notes Due 20334 [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | 0.950% Notes due 2033 |
| Trading Symbol | FDX 33 |
| Security Exchange Name | NYSE |
