Commitments - Additional Information (Details) $ in Millions	6 Months Ended
	Nov. 30, 2022 USD ($)
Other Aircraft Commitments Disclosure [Abstract]
Deposit and Progress Payments	$ 770
Lessee Disclosure [Abstract]
Additional leases not yet commenced, undiscounted future payments	$ 2,800
Minimum [Member]
Lessee Disclosure [Abstract]
Operating lease commencement date	2023
Maximum [Member]
Lessee Disclosure [Abstract]
Operating lease commencement date	2024