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v3.19.3.a.u2

Commitments - Additional Information (Details) $ in Millions | 6 Months Ended
--- | ---
Nov. 30, 2019 USD ($) air-craft
Other Aircraft Commitments Disclosure [Abstract] |
Deposit and Progress Payments | $ | $ 735
B767F [Member] |
Other Aircraft Commitments Disclosure [Abstract] |
Conditional Aircraft Commitments | 4
Number of additional aircraft agreed to purchase options exercised | 6
Aircraft expected to be delivered, fiscal year | 2022
B777F [Member] |
Other Aircraft Commitments Disclosure [Abstract] |
Conditional Aircraft Commitments | 6

X
- Definition Aircraft expected to be delivered fiscal year. + References No definition available. + Details
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Namespace Prefix: | fdx_
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X
- Definition Balance of deposits and progress payments on aircraft purchases and other planned aircraft-related transactions. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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X
- Definition Number of additional aircraft options exercised to purchase. + References No definition available. + Details
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Namespace Prefix: | fdx_
Data Type: | xbrli:integerItemType
Balance Type: | na
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X
- Definition Number of conditional aircraft commitments. + References No definition available. + Details
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Namespace Prefix: | fdx_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Other aircraft commitments disclosure. + References No definition available. + Details
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Namespace Prefix: | fdx_
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X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |