Entity Address, City or Town Entity Address, City or Town Dividend declared per common share. Dividend Declared Per Common Share [Policy Text Block] Dividend Declared per Common Share MTM loss due to lower discount rate Defined Benefit Plan Market To Market Adjustment By Lower Discount Rate Defined benefit plan, market to market adjustment by lower discount rate. Net Income (Loss) Available to Common Stockholders, Basic, Total Net earnings allocable to common shares Net Income (Loss) Available to Common Stockholders, Basic EARNINGS PER COMMON SHARE: Earnings Per Share [Abstract] Aircraft expected to be delivered, earliest fiscal year Aircraft Expected To Be Delivered Earliest Fiscal Year Aircraft expected to be delivered earliest fiscal year. Finance Lease, Liability, to be Paid, Year Three 2026 Financing Activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Increase (Decrease) in Other Operating Assets and Liabilities, Net, Total Other, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Amendment Flag Amendment Flag Subsequent Event Type Subsequent Event Type [Domain] Letter of credit maximum sublimit amount Letter Of Credit Maximum Sublimit Amount Letter of credit maximum sublimit amount. Deposit and Progress Payments Deposit And Progress Payments Balance of deposits and progress payments on aircraft purchases and other planned aircraft-related transactions. Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill, Total Goodwill Goodwill Operating lease right-of-use assets, net Operating Lease, Right-of-Use Asset Other retirement plans (expense) income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Business employee severance costs paid Payments for Postemployment Benefits Aircraft And Related Equipment Commitments [Member] Unrecorded Unconditional Purchase Obligation by Category of Item Purchased [Axis] Document Quarterly Report Document Quarterly Report Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Line Items] Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Line Items] Schedule of future minimum lease payments for operating leases and finance leases. Purchase of treasury stock Payments for repurchase of common stock Payments for Repurchase of Common Stock Foreign Currency Translation Loss [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Equity investment Equity Method Investments Statement [Table] Statement [Table] Operating lease liabilities Operating Lease, Liability, Noncurrent Finance Lease, Liability, to be Paid, Year One 2024 Lessee Disclosure [Abstract] Lessee Disclosure [Abstract] Proceeds from asset dispositions and other Payments For Proceeds From Asset Dispositions And Other Payments for proceeds from asset dispositions and other. Other Comprehensive Income (Loss), Tax, Total Other Comprehensive Income (Loss), Tax Other comprehensive income, tax benefit Accumulated Other Comprehensive Income Loss [Table] Accumulated Other Comprehensive Income (Loss) [Table] Lessee Operating Lease And Finance Lease Liability Payments Due Year Two Lessee operating lease and finance lease liability payments due year two. 2025 Other retirement plans (income) expense Defined Benefit Plan Other Retirement Plan Income Expense Defined benefit plan, other retirement plan income (expense). Line Of Credit Facility [Line Items] Line of Credit Facility [Line Items] International economy [Member] International Economy [Member] International economy. Payments to Acquire Productive Assets, Total Capital expenditures Payments to Acquire Productive Assets Summary of Significant Accounting Policies Significant Accounting Policy Policy [Text Block] Significant accounting policy. Product and Service Product and Service [Axis] Payments of Dividends, Total Dividends paid Payments of Dividends Unrecorded Unconditional Purchase Obligation [Line Items] Unrecorded Unconditional Purchase Obligation [Line Items] Letter of credit outstanding sublimit unused amount Letter Of Credit Outstanding Sublimit Unused Amount Letter of credit outstanding sublimit unused amount. Employee-related Liabilities, Current, Total Accrued salaries and employee benefits Employee-related Liabilities, Current Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture, Total Employee incentive plans and other, shares issued Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Reclassifications from AOCI Net income Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax U.S. deferred [Member] United States Deferred [Member] U.S. deferred. LIABILITIES AND COMMON STOCKHOLDERS' INVESTMENT Liabilities and Equity Treasury stock acquired, average cost per share Treasury Stock Acquired, Average Cost Per Share Number of employees will affect in workforce reduction plan Restructuring and Related Cost, Expected Number of Positions Eliminated Equity Method Investments [Policy Text Block] Equity Investments Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Income Statement [Abstract] FedEx Express Segment [Member] Fedex Express Segment [Member] FedEx express segment. Total U.S. domestic package revenue [Member] United States Domestic Package Revenue [Member] U.S. domestic package revenue. Operating Segments [Member] Operating Segments [Member] Operating Segments [Member] Salaries and employee benefits Labor and Related Expense Total current liabilities Liabilities, Current Lessee, Operating Lease, Liability, to be Paid, Year Three 2026 Accounts Receivable, Allowance for Credit Loss, Ending Balance Accounts Receivable, Allowance for Credit Loss, Beginning Balance Allowance for credit losses Accounts Receivable, Allowance for Credit Loss Amortization of prior service credit, tax benefit Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, Tax Less imputed interest Lessee Operating Lease And Finance Lease Liability Undiscounted Excess Amount Lessee operating lease and finance lease liability undiscounted excess amount. 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Reclassification Out of Accumulated Other Comprehensive Income (Loss) [Member] Reclassification out of Accumulated Other Comprehensive Income [Member] Total current assets Assets, Current Purchased transportation Purchased Transportation Costs Purchased transportation costs. Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year 2023 (remainder) Weighted Average Number of Shares Outstanding, Basic, Total Weighted-average common shares Weighted Average Number of Shares Outstanding, Basic Finance Lease, Liability, Total Present value of lease liability Finance Lease, Liability City Area Code City Area Code Schedule of Net Periodic Benefit Cost Schedule of Net Benefit Costs [Table Text Block] Accumulated Other Comprehensive Loss Comprehensive Income (Loss) Note [Text Block] U.S. overnight envelope [Member] United States Overnight Envelope [Member] U.S. overnight envelope. Loss Contingency, Damages Awarded, Value Loss contingency, damages awarded value Document Period End Date Document Period End Date Net periodic benefit cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Schedule of Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Dividends payable, date declared Dividends Payable, Date Declared Statistical Measurement Statistical Measurement [Axis] Rentals and landing fees Rentals And Landing Fees Rental expense for leased assets including aircraft, vehicles, equipment and facilities; as well as fees paid to an airport or other governmental agency for each aircraft landing. Other noncash items including leases and deferred income taxes Other Noncash Items Including Leases And Deferred Income Tax Other noncash items including leases and deferred income tax. Facilities and Other [Member] Facilities And Other [Member] Facilities and Other [Member] Related Party Related Party [Axis] Three Year Credit Agreement [Member] Three year credit agreement. ASSETS Assets OPERATING EXPENSES: Operating Costs and Expenses [Abstract] Computation Of Earnings Per Share Tables [Abstract] Computation Of Earnings Per Share (Tables) [Abstract] Contract with Customer, Asset, after Allowance for Credit Loss, Total Contract assets net of deferred unearned revenue Contract with Customer, Asset, after Allowance for Credit Loss Postretirement healthcare plans Postretirement Healthcare Plans Net Periodic Benefit Cost The total amount of net periodic benefit cost for defined benefit postretirement healthcare plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments. Delhivery Fed Ex Express And Delhivery Private Ltd [Member] FedEx Express and Delhivery Private, Ltd. Earnings Per Share, Diluted, Total Diluted earnings per common share Diluted Earnings Per Share, Diluted Retirement Plan Type Retirement Plan Type [Axis] Additional leases not yet commenced, undiscounted future payments Lessee Operating And Finance Lease Lease Not Yet Commenced Undiscounted Future Payments Lessee, operating and finance lease, lease not yet commenced, undiscounted future payments. Long term debt, including current maturities and exclusive of finance leases fair value Long Term Debt Including Current Maturities Fair Value Long term debt including current maturities fair value. Stockholders' Equity, Policy [Policy Text Block] Treasury Shares FedEx Freight Segment [Member] Fedex Freight Segment [Member] FedEx freight segment. Schedule Of Entity Wide Information Revenue From External Customers By Products And Services [Table] Revenue from External Customers by Products and Services [Table] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Basic earnings per common share: Earnings Per Share, Basic [Abstract] Lessee Operating Lease And Finance Lease Liability Payments Due Remainder Of Fiscal Year Lessee operating lease and finance lease liability payments due remainder of fiscal year. 2023 (remainder) Document Fiscal Period Focus Document Fiscal Period Focus Total Aircraft Purchase Obligation The total number of aircraft committed to be purchased. Business realignment and optimization costs. Business Realignment And Optimization Costs [Policy Text Block] Business Realignment and Optimization Costs General Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block] Pension Plans [Member] Pension Plan [Member] Business realignment and optimization costs. Business Realignment and Optimization Costs Business realignment and optimization costs Operating Lease, Liability, Total Present value of lease liability Operating Lease, Liability Cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Derivative Instruments in Hedges, at Fair Value, Net, Total Denominated debt as a net investment hedge Derivative Instruments in Hedges, at Fair Value, Net B777F [Member] Boeing777 Freighter [Member] Boeing 777 freighter. Statement of Financial Position [Abstract] Financial covenant compliance ratio Debt To Earnings Before Interest Tax Depreciation And Amortization Ratio Debt divided by adjusted EBITDA Entity File Number Entity File Number Scenario Scenario [Domain] Total lease payments Finance Lease, Liability, to be Paid Statement of Cash Flows [Abstract] FedEx Services Segment [Member] Fedex Services Segment [Member] FedEx services segment. ATR 72-600F [Member] A T R72600 Freighter [Member] ATR 72-600 freighter. Retirement Plans Retirement Benefits [Text Block] Statistical Measurement Statistical Measurement [Domain] Statement of Stockholders' Equity [Abstract] Thereafter Aircraft Purchase Obligation With Delivery Due After Fourth Fiscal Year The number of aircraft committed to be purchased with a delivery date after the fourth fiscal year. Class of Stock Class of Stock [Domain] Loss Contingency Accrual, Beginning Balance Loss Contingency Accrual, Ending Balance Loss Contingency Accrual Loss Contingency, reserve Number of aircrafts rescheduled delivery Number Of Aircrafts Rescheduled Delivery Number of aircrafts rescheduled delivery. Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Summary of Future Minimum Lease Payments, Operating and Finance Leases Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases Table [Text Block] Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating and finance leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. Total package revenue [Member] Package Revenue [Member] Package revenue. Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Axis] OTHER COMPREHENSIVE INCOME (LOSS): Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Long-term Debt and Lease Obligation, Total LONG-TERM DEBT, LESS CURRENT PORTION Long-Term Debt and Lease Obligation International priority freight [Member] International Priority Freight [Member] International priority freight. Unrecorded Unconditional Purchase Obligation, to be Paid, Year Four 2027 Weighted Average Number Diluted Shares Outstanding Adjustment, Total Dilutive effect of share-based awards Weighted Average Number of Shares Outstanding, Diluted, Adjustment Deferred Income Tax Liabilities, Net, Total Deferred income taxes Deferred Income Tax Liabilities, Net Other, net Proceeds from (Payments for) Other Financing Activities Long-term Debt and Lease Obligation, Current, Total Current portion of long-term debt Long-Term Debt and Lease Obligation, Current Line of credit facility maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Contract liabilities related to advance payments from customers Contract with Customer, Liability, Current Credit Facility Credit Facility [Domain] Aircraft Purchase Obligation [Table] Aircraft Purchase Obligation [Table] Describes the number and type of aircraft committed to purchase as of the balance sheet date. Weighted-average diluted shares Weighted Average Number of Shares Outstanding, Diluted Commitments Tables [Abstract] Commitments (Tables) [Abstract] Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Domain] Credit Facility Credit Facility [Axis] Supplemental Cash Flow Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Other retirement plans expense (income): Defined Benefit Plan Other Retirement Plan Income Expense [Abstract] Defined benefit plan, other retirement plan income (expense). Current Fiscal Year End Date Current Fiscal Year End Date Retirement plans costs Pension and Other Postretirement Benefits Cost (Reversal of Cost) Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Other Assets, Noncurrent, Total Other assets Other Assets, Noncurrent Entity Address, Address Line One Entity Address, Address Line One Net book value of Boeing aircraft Net Book Valve Of Collateralized Boeing Aircraft Net book valve of collateralized Boeing aircraft. Property Subject to or Available for Operating Lease Property Subject to or Available for Operating Lease [Domain] Supplemental Cash Flow Information [Abstract] Share Repurchase Program Share Repurchase Program [Domain] Line of Credit Facility [Abstract] Credit Losses Credit Loss, Financial Instrument [Text Block] Income Tax Expense (Benefit), Total PROVISION FOR INCOME TAXES Income Tax Expense (Benefit) 1.625% Notes Due 2027 [Member] One Point Six Two Five Percentage Notes Due Two Thousand Twenty Seven [Member] One point six two five percentage notes due two thousand twenty seven. Finance Leases Finance Lease, Liability, to be Paid [Abstract] Present value of lease liability Operating Lease And Finance Lease Liability Operating lease and finance lease liability. Number of additional aircraft agreed to purchase options exercised Number Of Additional Aircraft Options Exercised To Purchase Number of additional aircraft options exercised to purchase. Increase (Decrease) in Receivables, Total Receivables Increase (Decrease) in Receivables Line Of Credit Facility [Table] Line of Credit Facility [Table] Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation [Table] Unrecorded Unconditional Purchase Obligation, to be Paid, Remainder of Fiscal Year 2023 (remainder) OPERATING EXPENSES Costs and Expenses Stock-Based Compensation Share-Based Payment Arrangement [Policy Text Block] 1.300% Notes Due 2031 [Member] One Point Three Zero Zero Percentage Notes Due Two Thousand Thirty One [Member] One point three zero zero percentage notes due two thousand thirty one. Finance Lease, Liability, to be Paid, Year Four 2027 Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Percentage of FedEx Freight employees elected to move to new 401(k) plan Defined Benefit Plan Percentage Of Freight Employees Elected To Move Defined benefit plan percentage of freight employees elected to move. Current Plan Structure [Member] Current Plan Structure [Member] Current plan structure. Operating income (loss) OPERATING INCOME Operating Income (Loss) Spare parts, supplies, and fuel, less allowances of $365 and $360 Spare Parts Supplies And Fuel Less Allowances Carrying amount as of the balance sheet date of capitalized payments for supplies, spare parts (principally aircraft related), fuel and retail goods consumed or sold within one year or the operating cycle, if longer. Credit Loss [Abstract] Related Party Related Party [Domain] Additional Paid in Capital, Common Stock, Ending Balance Additional Paid in Capital, Common Stock, Beginning Balance Additional paid-in capital Additional Paid in Capital, Common Stock Accelerated share repurchase Accelerated share repurchase (shares to be delivered in December 2022) Accelerated Share Repurchase Program, Adjustment Scenario Scenario [Axis] 1.875% due in February 2034 [Member] One Point Eight Seven Five Zero Percent Due In February Two Thousand Thirty Four [Member] One point eight seven five zero percent due in February two thousand thirty four. U.S. freight [Member] United States Freight [Member] U.S. freight. Entity Filer Category Entity Filer Category Business realignment costs Business Realignment Costs Amount charged against earnings in the period for incurred and estimated costs associated with business realignment activities, such as voluntary severance costs and external professional fees, pursuant to a duly authorized plan. Other comprehensive income, net of tax benefit of $10, $5, $28, and $5 Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Entity Current Reporting Status Entity Current Reporting Status Corporate, Other and Eliminations [Member] Corporate Reconciling Items And Eliminations [Member] Represents the aggregate total of adjustments for non operating corporate items, reconciling items and eliminations. Receivables, less allowances of $766 and $692 Receivables, Net, Current, Total Receivables, Net, Current 2016 Repurchase Program Two Thousand Sixteen Repurchase Program [Member] Two Thousand Sixteen Repurchase Program [Member] Diluted earnings per common share: Earnings Per Share, Diluted [Abstract] Total common stockholders’ investment Beginning Balance Ending Balance Stockholders' Equity Attributable to Parent Accumulated Other Comprehensive Loss Accumulated Other Comprehensive (Loss) [Member] AOCI Attributable to Parent [Member] Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Other Aircraft Commitments Disclosure [Abstract] Other Aircraft Commitments Disclosure [Abstract] Other aircraft commitments disclosure. Thereafter Lessee Operating Lease Liability Payments Due After Year Four Lessee operating lease liability payments due after year four. Entity Tax Identification Number Entity Tax Identification Number Schedule of Retirement Plan Costs Schedule of Costs of Retirement Plans [Table Text Block] Common stock, $0.10 par value; 800 million shares authorized; 318 million shares issued as of November 30, 2022 and May 31, 2022 Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, Value, Issued, Total Common Stock, Value, Issued Consolidation Items Consolidation Items [Axis] Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Retained earnings Retained Earnings (Accumulated Deficit) Equity Components Equity Components [Axis] Lessee Operating Lease And Finance Lease Liability Payments Due Due Next Twelve Months Lessee operating lease and finance lease liability payments due due next twelve months. 2024 Other Comprehensive Income, Tax Amounts Other Comprehensive Income (Loss), Tax, Parenthetical Disclosure [Abstract] Total other long-term liabilities Liabilities, Other than Long-Term Debt, Noncurrent Aircraft And Related Equipment Commitments [Member] Aircraft And Related Equipment Commitments [Member] Aircraft and related equipment commitments. Contingencies Contingencies Disclosure [Text Block] International Airfreight [Member] International Airfreight [Member] International airfreight. Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accounts payable and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization Consolidation And Presentation Of Financial Statements [Line Items] Organization, consolidation and presentation of financial statements. Entity Emerging Growth Company Entity Emerging Growth Company Interest cost Defined Benefit Plan, Interest Cost Fuel Fuel Costs Dividends payable, date of record Dividends Payable, Date of Record Retirement Plan Type Retirement Plan Type [Domain] Accelerated Share Repurchase Agreement Accelerated Share Repurchase Agreement [Member] Accelerated share repurchase agreement. Amortization of prior service credit, net of tax benefit of $1 and $1 in 2022 and $1 and $1 in 2021 Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Unconditional Purchase Obligation, Category of Goods or Services Acquired Unconditional Purchase Obligation, Category of Goods or Services Acquired [Domain] Operating Leases Lessee, Operating Lease, Liability, to be Paid [Abstract] Purchase of investments Payments to Acquire Investments Payments to Acquire Investments, Total Service cost Defined Benefit Plan, Service Cost Investment, Name Investment, Name [Axis] Loss Contingency [Abstract] Retirement Benefits [Abstract] Document Transition Report Document Transition Report Business realignment and optimization costs net of payments. Business Realignment And Optimization Costs Net Of Payments Business realignment and optimization costs/(payments), net Business realignment and optimization costs/(payments), net OTHER (EXPENSE) INCOME Nonoperating Income (Expense) Postretirement Healthcare Plans [Member] Postretirement Health Coverage [Member] Business optimization costs. Business Optimization Costs Business optimization costs Depreciation, Depletion and Amortization, Total Depreciation and amortization Depreciation, Depletion and Amortization Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Loss Contingency insurance coverages for reimbursement Loss Contingency insurance coverages submitted for reimbursement Schedule of Changes in Accumulated Other Comprehensive Income (Loss) ("AOCI") Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Thereafter Lessee Operating Lease And Finance Lease Liability Payments Due After Year Four Lessee operating lease and finance lease liability payments due after year four. Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Income tax refunds received Proceeds from Income Tax Refunds Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Conditional Aircraft Commitments Number Of Conditional Aircraft Commitments Number of conditional aircraft commitments. Supplemental Cash Flow Information Cash Flow, Supplemental Disclosures [Text Block] Net income NET INCOME NET INCOME Net Income (Loss) Attributable to Parent 0.450% Notes Due 2029 [Member] Zero Point Four Five Zero Percentage Notes Due Two Thousand Twenty Nine [Member] Zero point four five zero percentage notes due two thousand twenty nine. Operating lease liabilities Operating Lease, Liability, Current 401(k) plan description Defined Contribution Plan, Description Additional Paid-In Capital Additional Paid-in Capital [Member] Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security, Total Principal payments on debt Repayment of Long-Term Debt, Long-Term Lease Obligation, and Capital Security Document Information [Line Items] Document Information [Line Items] Property Subject to or Available for Operating Lease Property Subject to or Available for Operating Lease [Axis] Entity Registrant Name Entity Registrant Name Foreign currency translation adjustments, net of tax benefit of $9 and $27 in 2022 and $4 and $4 in 2021 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Total Translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Allowances for receivables Accounts Receivable, Allowance for Credit Loss, Current Cash and Cash Equivalents, at Carrying Value, Ending Balance Cash and Cash Equivalents, at Carrying Value, Beginning Balance Cash and Cash Equivalents, at Carrying Value, Total Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Business optimization costs per diluted share. Business Optimization Costs Per Diluted Share Business optimization costs per diluted share Stock repurchase program number of shares authorized to be repurchased Stock Repurchase Program, Number of Shares Authorized to be Repurchased Computation of Earnings Per Share Earnings Per Share [Text Block] Class of Stock Class of Stock [Axis] Long-term debt weighted-average interest rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Share-based Payment Arrangement, Noncash Expense, Total Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Number of employees frozen Defined Benefit Plan Number Of Employees Frozen Defined benefit plan, number of employees frozen. Statement of Comprehensive Income [Abstract] Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Net property and equipment Property, Plant and Equipment, Net Statement [Line Items] Statement [Line Items] International Economy Freight [Member] International Economy Freight [Member] International economy freight. Title of 12(b) Security Title of 12(b) Security International domestic [Member] International Domestic [Member] International domestic. Common Stock Common Stock [Member] 364-Day Credit Agreement [Member] Three Hundred Sixty Four Day Credit Agreement [Member] Three hundred sixty four-day credit agreement. Operating Activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Equity Component Equity Component [Domain] Finance Lease, Liability, to be Paid, Remainder of Fiscal Year 2023 (remainder) Revenue Revenue from Contract with Customer, Excluding Assessed Tax, Total Revenues REVENUE INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount Business realignment costs per diluted share Business Realignment Costs Per Diluted Share Business realignment costs per diluted share. Entity Address, State or Province Entity Address, State or Province Lessee, Operating Lease, Liability, to be Paid, Year Four 2027 Net (decrease) increase in cash and cash equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Total other long-term assets Other Long Term Assets Noncurrent Excluding Property And Equipment Other long-term assets non-current excluding property and equipment. Document Type Document Type Interest (net of capitalized interest) Interest Paid, Excluding Capitalized Interest, Operating Activities Schedule of Aircraft Purchase Commitments Schedule Of Aircraft Purchase Commitments [Text Block] Describes and quantifies the number and type of key aircraft committed to purchase as of the date of the latest balance sheet, with the year of expected delivery for each of the five succeeding fiscal years and in aggregate. Other Commitments [Member] Other Commitments [Member] Other commitments. U.S. Pension Plans [Member] U.S. Plans [Member] UNITED STATES Share Repurchase Program Share Repurchase Program [Axis] Entity Shell Company Entity Shell Company Derivative Financial Instruments Derivatives, Policy [Policy Text Block] Total number of treasury shares delivered percentage Treasury stock delivered percentage. Number of Treasury Stock Delivered Percentage Stock-based compensation Share-Based Payment Arrangement, Expense Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Loss Contingency, base amount Loss Contingency, base amount North America [Member] North America [Member] Reclassification Out Of Accumulated Other Comprehensive Income [Table] Reclassification out of Accumulated Other Comprehensive Income [Table] Loss Contingencies [Line Items] Security Exchange Name Security Exchange Name Aircraft Purchase Obligation With Delivery Due In First Fiscal Year Aircraft purchase obligation with delivery due in first fiscal year. 2024 Cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Employees under collective bargaining arrangements. Employees Under Collective Bargaining Arrangements [Policy Text Block] Employees Under Collective Bargaining Arrangements Business realignment costs, net of tax Business Realignment Costs Net Of Tax Business realignment costs net of tax. Commitments and Contingencies Disclosure [Abstract] Other Commitment Disclosures [Line Items] Other Commitment Disclosures [Line Items] Other commitment disclosures. Finance Lease, Liability, to be Paid, Year Two 2025 New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Guidance Schedule Of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] 0.450% Notes Due 2025 [Member] Zero Point Four Five Zero Percentage Notes Due Two Thousand Twenty Five [Member] Zero point four five zero percentage notes due two thousand twenty five. Financing Arrangements Debt Disclosure [Text Block] Investing Activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Allowances for spare parts, supplies and fuel Allowances For Spare Parts Supplies And Fuel The amount of the valuation account as of the balance sheet date which reduces the carrying amount of spare parts, supplies and fuel to their net realizable value. This valuation account takes into consideration such factors as excessive quantities based on fleet usage, obsolescence and shrinkage. Future Plan Structure [Member] Future Plan Structure [Member] Future plan structure. COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Common Stock, Shares, Issued, Total Common stock, shares issued Common Stock, Shares, Issued Minimum [Member] Minimum [Member] Total lease payments Lessee Operating Lease And Finance Lease Liability Payments Due Lessee operating lease and finance lease liability payments due. Aircraft and Related Equipment [Member] Aircraft And Related Equipment [Member] Aircraft and Related Equipment [Member] Segments Segments [Domain] Five-Year Credit Agreement [Member] Five Year Credit Agreement [Member] Five-year credit agreement. Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax, Total Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Foreign currency translation adjustments, tax benefit Foreign currency translation adjustments, tax benefit Accrued Liabilities, Current, Total Accrued expenses Accrued Liabilities, Current Debt Instrument Debt Instrument [Axis] COMMON STOCKHOLDERS' INVESTMENT Stockholders' Equity Attributable to Parent [Abstract] Treasury Stock Treasury Stock [Member] Reclassification Adjustment Out Of Accumulated Other Comprehensive Income [Line Items] Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] Schedule of Aircraft Commitments [Line Items] Schedule Of Aircraft Commitments [Line Items] Schedule of Aircraft Commitments [Line Items] Segments Segments [Axis] International priority [Member] International Priority [Member] International priority. Cessna SkyCourier 408 [Member] Cessna C E408 Aircraft [Member] Cessna CE-408 aircraft. Subsequent Event [Member] Subsequent Event [Member] Retirement Plan Name Retirement Plan Name [Domain] Loss Contingencies [Table] Other Nonoperating Income (Expense), Total Other, net Other Nonoperating Income (Expense) Maintenance and repairs Cost of Property Repairs and Maintenance B767F Aircraft Delivered in 2025 [Member] Boeing767 Freighter Agreement Two [Member] Boeing 767 freighter agreement two. OTHER (EXPENSE) INCOME: Nonoperating Income (Expense) [Abstract] Total lease payments Lessee, Operating Lease, Liability, to be Paid Payments for repurchase of common stock under ASR program Accelerated Share Repurchases, Settlement (Payment) or Receipt Entity Central Index Key Entity Central Index Key Aircraft Purchase Obligation With Delivery Due In Fourth Fiscal Year The number of aircraft committed to be purchased with a delivery date in the fourth fiscal year. 2027 Accounting Policies [Abstract] Unrecorded Unconditional Purchase Obligation, to be Paid, Year Three 2026 Organization Consolidation And Presentation Of Financial Statements [Table] Organization Consolidation And Presentation Of Financial Statements [Table] Organization, consolidation and presentation of financial statements. Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Table] Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Table] Schedule of future minimum lease payments for operating leases and finance leases. Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Ending Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Beginning Balance Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Total Less accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Business optimization costs, net of tax. Business Optimization Costs, Net of Tax Business optimization costs, net of tax Other retirement plans income Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component Credit Agreement [Member] Credit Agreement [Member] Credit agreement. B767F Aircraft Delivered in 2024 [Member] Boeing767 Freighter Agreement One [Member] Boeing 767 freighter agreement one. Commercial paper outstanding Long-Term Commercial Paper, Noncurrent Schedule of Purchase Commitments Unrecorded Unconditional Purchase Obligations Disclosure [Table Text Block] Consolidation Items Consolidation Items [Domain] Aircraft expected to be delivered, latest fiscal year Aircraft Expected To Be Delivered Latest Fiscal Year Aircraft expected to be delivered latest fiscal year. Other Commitments [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Document Information [Table] Document Information [Table] Self-insurance accruals Self Insurance Accruals Noncurrent Carrying amount of accrued known and estimated losses incurred as of the balance sheet date for which a claim has been made or is probable of being asserted, typically arising from workmen's compensation-type of incidents and personal injury to nonemployees from accidents on the entity's property that are expected to be paid after one year (or the normal operating cycle, if longer). Forecast [Member] Forecast [Member] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Abstract] Schedule Of Earnings Per Share Basic And Diluted By Common Class [Abstract] Net Periodic Benefit Cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Company matching contributions to eligible employees Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Pension and Other Postretirement Benefits Cost (Reversal of Cost) [Abstract] Adjustments to reconcile net income to cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Retained Earnings Retained Earnings [Member] B767F [Member] Boeing767 Freighter [Member] Boeing 767 freighter. Segment Reporting [Abstract] Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Property, Plant and Equipment, Gross, Total PROPERTY AND EQUIPMENT, AT COST Property, Plant and Equipment, Gross Fixed interest rate Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Entity Interactive Data Current Entity Interactive Data Current Defined benefit pension plans, net Pension Plan Net Periodic Benefit Cost The total amount of net periodic benefit cost for pension plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain or loss, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments. 0.950% Notes Due 2033 [Member] Zero Point Nine Five Zero Percentage Notes Due Two Thousand Thirty Three [Member] Zero point nine five zero percentage notes due two thousand thirty three. Unrecorded Unconditional Purchase Obligation, to be Paid, Year One 2024 Line of credit facility, expiration date Line Of Credit Facility Expiration Month And Year Line of credit facility, expiration month and year. Other and eliminations [Member] Intersegment Eliminations [Member] Reclassification out of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Domain] Lessee, Operating Lease, Liability, to be Paid, Year One 2024 Credit losses Provision for uncollectible accounts Accounts Receivable, Credit Loss Expense (Reversal) Local Phone Number Local Phone Number Schedule of Basic and Diluted Earnings Per Common Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Aircraft Purchase Obligation With Delivery Due In Second Fiscal Year The number of aircraft committed to be purchased with a delivery date in the second fiscal year. 2025 Lessee Operating Lease And Finance Liability Payments Due Year Three Lessee operating lease and finance lease liability payments due year three. 2026 FedEx Ground Segment [Member] Fedex Ground Segment [Member] FedEx ground segment. Category of Item Purchased Category of Item Purchased [Axis] Loss Contingency Self-insured Retention and Insurance Deductible Loss Contingency Self-insured Retention and Insurance Deductible Loss contingency self-insured retention and insurance deductible Other Liabilities, Noncurrent, Total Other liabilities Other Liabilities, Noncurrent Accumulated Other Comprehensive Income Loss Tables [Abstract] Accumulated Other Comprehensive Income (Loss) (Tables) [Abstract] Purchase of treasury stock (7.9, 0.9, 7.9, and 2.8 million shares) Treasury Stock, Value, Acquired, Cost Method OTHER LONG-TERM ASSETS Other Assets, Noncurrent [Abstract] Commitments [Abstract] Commitments [Abstract] Other Cost and Expense, Operating, Total Other Other Cost and Expense, Operating Curtailment gain Defined Benefit Plan Market To Market Adjustment Gain Loss Due To Curtailment Defined benefit plan, market to market adjustment, gain (loss) due to curtailment. Debt Instrument, Name Debt Instrument, Name [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Lessee, Operating Lease, Liability, to be Paid, Year Two 2025 Earnings Per Share, Basic, Total Basic earnings per common share Basic Earnings Per Share, Basic Income taxes Income Taxes Paid Cash dividends declared, per share DIVIDENDS DECLARED PER COMMON SHARE Common Stock, Dividends, Per Share, Declared Aircraft Purchase Obligation With Delivery Within Remainder Of Fiscal Year Aircraft purchase obligation with delivery within remainder of fiscal year. 2023 (remainder) Cash dividends declared ($1.15, $0.75, $3.45, and $2.25 per share) Dividends, Common Stock, Cash ASSETS Assets [Abstract] Retirement plans mark-to-market adjustments Non-cash MTM net loss MTM net loss The annual retirement plan amount recorded for actuarial gains and losses calculated using actual fair value of plan assets. Prepaid expenses and other Prepaid Expense and Other Assets, Current Unrecorded Unconditional Purchase Obligation, to be Paid, Year Two 2025 Treasury Stock, Value, Ending Balance Treasury Stock, Value, Beginning Balance Treasury Stock, Value, Total Treasury stock, at cost Treasury Stock, Value Debt instrument, face amount Debt Instrument, Face Amount Commitments Commitments Disclosure [Text Block] Interest, net Interest Income (Expense), Nonoperating, Net Retirement Plan Tables [Abstract] Retirement Plan (Tables) [Abstract] U.S. overnight box [Member] United States Overnight Box [Member] U.S. overnight box. LIABILITIES AND STOCKHOLDERS' INVESTMENT Liabilities and Equity [Abstract] Dividends payable amount per share Dividends Payable, Amount Per Share Cash tax payments, net Income Taxes Paid, Net Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest CURRENT ASSETS Assets, Current [Abstract] Business Segment Information Segment Reporting Disclosure [Text Block] Total Unrecorded Unconditional Purchase Obligation Amortization of prior service credit and other Defined Benefit Plan Amortization Of Prior Service Cost Credit And Other Defined benefit plan amortization of prior service cost (credit) and other. Employee Incentive Plans And Other Net Of Forfeitures Employee incentive plans and other net of forfeitures. Employee incentive plans and other OTHER LONG-TERM LIABILITIES Liabilities, Other than Long-Term Debt, Noncurrent [Abstract] Lessee Operating Lease And Finance Lease Liability Payments Due Year Four Lessee operating lease and finance lease liability payments due year four. 2027 Changes in assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Defined benefit plan contributions by employer Defined Benefit Plan, Plan Assets, Contributions by Employer General [Abstract] General [Abstract] Cover [Abstract] Retirement Plan Sponsor Location Retirement Plan Sponsor Location [Axis] Product and Service Product and Service [Domain] Total international export package revenue [Member] International Export Package Revenue [Member] International export package revenue. Number of Boeing aircraft Number Of Boeing Aircraft Number of Boeing aircraft. Contract with Customer, Asset, before Allowance for Credit Loss, Total Gross contract assets related to in-transit shipments Contract with Customer, Asset, before Allowance for Credit Loss International Pension Plans [Member] Foreign Plan [Member] CURRENT LIABILITIES Liabilities, Current [Abstract] Dividends payable, date to be paid Dividends Payable, Date to be Paid Maximum [Member] Maximum [Member] Loss Contingency, Damages Paid, Value Loss Contingency, paid amount Thereafter Finance Lease Liability Payments Due After Year Four Finance lease liability payments due after year four. Retirement Plan Name Retirement Plan Name [Axis] Other [Member] Other [Member] Other. Cash used in investing activities Net Cash Provided by (Used in) Investing Activities Netherlands [Member] NETHERLANDS Voluntary Contribution [Member] Voluntary Contribution [Member] Voluntary contribution. Retirement Plans Adjustments [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Aircraft Purchase Obligation With Delivery Due In Third Fiscal Year The number of aircraft committed to be purchased with a delivery date in the third fiscal year. 2026 2022 Repurchase Program Two Thousand Twenty Two Repurchase Program [Member] 2022 repurchase program. Defined contribution plans Defined Contribution Plan, Cost Stock repurchase program number of shares authorized to be repurchased, remaining available amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Common stock, shares authorized Common Stock, Shares Authorized Trading Symbol Trading Symbol Net Income (Loss) Available to Common Stockholders, Diluted, Total Net earnings allocable to common shares Net Income (Loss) Available to Common Stockholders, Diluted Reclassification Out of Accumulated Other Comprehensive Income (Loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent, Total Pension, postretirement healthcare, and other benefit obligations Liability, Pension and Other Postretirement and Postemployment Benefits, Noncurrent Equity and Commercial Agreements Equity And Commercial Agreements [Member] Equity and commercial agreements. Total freight revenue [Member] Freight Revenue [Member] Freight revenue. Common Stock, Par Value $0.10 Per Share [Member] Common Stock Par Value Zero Point One Zero Per Share [Member] Common stock par value zero point one zero per share. Subsequent Event Type Subsequent Event Type [Axis] Thereafter Unrecorded Unconditional Purchase Obligation To Be Paid After Year Four Unrecorded unconditional purchase obligation, to be paid, after year four. Entity Wide Information Revenue From External Customer [Line Items] Revenue from External Customer [Line Items] COMPREHENSIVE INCOME Comprehensive Income (Loss), Net of Tax, Attributable to Parent Accounts Payable, Current, Total Accounts payable Accounts Payable, Current Increase (Decrease) in Other Operating Assets, Total Other assets Increase (Decrease) in Other Operating Assets Domestic Plan Domestic Plan [Member] Accumulated Other Comprehensive Income Loss [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Purchase of treasury stock Number of shares repurchased Treasury Stock, Shares, Acquired Debt instrument, maturity date Debt Instrument Maturity Month And Year Debt instrument, maturity month and year. Line of credit facility, term Debt Instrument, Term Loss contingency, punitive damages value Loss Contingency Punitive Damages Value Loss contingency punitive damages value. Common stock, par value Common Stock, Par or Stated Value Per Share Schedule of Revenue by Service Type Revenue from External Customers by Products and Services [Table Text Block] Financial covenant terms ratio Debt To Earnings Before Interest Tax Depreciation And Amortization Ratio Maximum Debt divided by adjusted EBITDA required by the financial covenant. Stock repurchase program number of shares authorized to be repurchased, amount Stock Repurchase Program, Authorized Amount Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Other Commitment Disclosures [Table] Other Commitment Disclosures [Table] Other Commitment Disclosures [Table] Anti-dilutive options excluded from diluted earnings per common share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets