Commitments - Summary of Future Minimum Lease Payments, Operating and Finance Leases (Details) $ in Millions	Feb. 28, 2022 USD ($)
Schedule Of Future Minimum Lease Payments For Operating Leases And Finance Leases [Line Items]
2022 (remainder)	$ 616
2023	2,909
2024	2,485
2025	2,185
2026	1,921
Thereafter	10,053
Total lease payments	20,169
Less imputed interest	(2,823)
Present value of lease liability	17,346
Operating Leases
2022 (remainder)	564
2023	2,874
2024	2,454
2025	2,158
2026	1,899
Thereafter	9,362
Total lease payments	19,311
Less imputed interest	(2,466)
Present value of lease liability	16,845
Finance Leases
2022 (remainder)	52
2023	35
2024	31
2025	27
2026	22
Thereafter	691
Total lease payments	858
Less imputed interest	(357)
Present value of lease liability	501
Aircraft and Related Equipment [Member]
Operating Leases
2022 (remainder)	33
2023	200
2024	111
2025	80
2026	73
Thereafter	223
Total lease payments	720
Less imputed interest	(55)
Present value of lease liability	665
Facilities and Other [Member]
Operating Leases
2022 (remainder)	531
2023	2,674
2024	2,343
2025	2,078
2026	1,826
Thereafter	9,139
Total lease payments	18,591
Less imputed interest	(2,411)
Present value of lease liability	$ 16,180

Finance lease liability payments due after year four.

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

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

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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 four.

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- Definition

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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Lessee operating lease liability payments due after year four.

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Operating lease and finance lease liability.

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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-URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977

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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 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).

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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).

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Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid in remainder of current fiscal year.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 20
-Section 50
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918701-209980

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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.

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

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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).

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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).

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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).

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Amount of lessee's undiscounted obligation for lease payment for operating lease having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.

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

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

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