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Commitments - Additional Information (Details) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Feb. 29, 2020 USD ($) air-craft | Aug. 31, 2019 air-craft | Feb. 29, 2020 USD ($) air-craft
Other Aircraft Commitments Disclosure [Abstract] |  |  |
Deposit and Progress Payments | $ | $ 733 |  | $ 733
B767F [Member] |  |  |
Other Aircraft Commitments Disclosure [Abstract] |  |  |
Conditional Aircraft Commitments |  |  | 3
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
B777F Aircraft from 2023 to 2022 [Member] |  |  |
Other Aircraft Commitments Disclosure [Abstract] |  |  |
Number of aircrafts rescheduled delivery | 2 |  | 2
Aircraft expected to be delivered, earliest fiscal year | 2022 |  |
Aircraft expected to be delivered, latest fiscal year | 2023 |  |
B767F Aircraft from 2022 to 2023 [Member] |  |  |
Other Aircraft Commitments Disclosure [Abstract] |  |  |
Number of aircrafts rescheduled delivery | 2 |  | 2
Aircraft expected to be delivered, earliest fiscal year | 2022 |  |
Aircraft expected to be delivered, latest fiscal year | 2023 |  |

X
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- Definition Aircraft expected to be delivered fiscal year. + References No definition available. + Details
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- Definition Number of additional aircraft options exercised to purchase. + References No definition available. + Details
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- Definition Number of aircrafts rescheduled delivery. + References No definition available. + Details
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- Definition Number of conditional aircraft commitments. + References No definition available. + Details
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- Definition Other aircraft commitments disclosure. + References No definition available. + Details
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- Details
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- Details
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- Details
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- Details
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