Leases - Summary of Future Minimum Lease Payments, Operating and Finance Leases (Details) - USD ($) $ in Millions	May 31, 2024	May 31, 2023
Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Line Items]
2025	$ 3,065
2026	2,912
2027	2,595
2028	2,262
2029	1,893
Thereafter	9,177
Total lease payments	21,904
Less imputed interest	(3,957)
Present value of lease liability	17,947
Operating Leases
2025	3,032
2026	2,882
2027	2,573
2028	2,241
2029	1,874
Thereafter	8,547
Total lease payments	21,149
Less imputed interest	(3,633)
Present value of lease liability	17,516	$ 17,753
Finance Leases
2025	33
2026	30
2027	22
2028	21
2029	19
Thereafter	630
Total lease payments	755
Less imputed interest	(324)
Present value of lease liability	431	$ 800
Aircraft and Related Equipment [Member]
Operating Leases
2025	123
2026	119
2027	118
2028	118
2029	111
Thereafter	136
Total lease payments	725
Less imputed interest	(85)
Present value of lease liability	640
Facilities and Other [Member]
Operating Leases
2025	2,909
2026	2,763
2027	2,455
2028	2,123
2029	1,763
Thereafter	8,411
Total lease payments	20,424
Less imputed interest	(3,548)
Present value of lease liability	$ 16,876

Lessee operating lease and finance lease liability payments due.

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Lessee operating lease and finance lease liability payments due due next twelve months.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Lessee operating lease and finance lease liability undiscounted excess amount.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

Operating lease and finance lease liability.

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No definition available.

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- Definition

Schedule of future minimum lease payments for operating leases and finance leases.

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No definition available.

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- References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147478964/842-20-50-6

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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- Definition

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

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

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

+ References

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- Definition

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

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

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- Definition

Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

+ References

+ Details

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- Definition

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

+ References

+ Details

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- References

No definition available.

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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