Leases - Summary of Future Minimum Lease Payments, Operating and Finance Leases (Details) - USD ($) $ in Millions	Feb. 29, 2020	Jun. 01, 2019
Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Line Items]
2020 (remainder)	$ 482
2021	2,456
2022	2,201
2023	1,956
2024	1,638
Thereafter	8,799
Total lease payments	17,532
Less imputed interest	(2,926)
Present value of lease liability	14,606
Operating Leases
2020 (remainder)	451
2021	2,430
2022	2,175
2023	1,931
2024	1,614
Thereafter	8,071
Total lease payments	16,672
Less imputed interest	(2,538)
Present value of lease liability	14,134	$ 14,200
Finance Leases
2020 (remainder)	31
2021	26
2022	26
2023	25
2024	24
Thereafter	728
Total lease payments	860
Less imputed interest	(388)
Present value of lease liability	472
Aircraft and Related Equipment [Member]
Operating Leases
2020 (remainder)	38
2021	249
2022	234
2023	198
2024	102
Thereafter	314
Total lease payments	1,135
Less imputed interest	(99)
Present value of lease liability	1,036
Facilities and Other [Member]
Operating Leases
2020 (remainder)	413
2021	2,181
2022	1,941
2023	1,733
2024	1,512
Thereafter	7,757
Total lease payments	15,537
Less imputed interest	(2,439)
Present value of lease liability	$ 13,098

Lessee operating lease and finance lease liability payments due.

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Lessee operating lease and finance lease liability payments due after year five.

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Lessee operating lease and finance lease liability payments due remainder of fiscal year.

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Lessee operating lease and finance lease liability payments due year five.

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Lessee operating lease and finance lease liability payments due year four.

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Lessee operating lease and finance lease liability payments due year two.

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Lessee operating lease and finance lease liability undiscounted excess amount.

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Lessee operating lease and finance lease liability payments due year three.

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Operating lease and finance lease liability.

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Present value of lessee's discounted obligation for lease payments from finance lease.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for finance lease, due in remainder of fiscal year following latest fiscal year ended.

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-URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980

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Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for finance lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due after fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fifth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in fourth fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in third fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease, due in second fiscal year following latest fiscal year.

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Amount of lessee's undiscounted obligation for lease payments for operating lease having an initial or remaining lease term in excess of one year due in remainder of fiscal year following latest fiscal year.

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