Leases - Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
May 31, 2024	May 31, 2023	May 31, 2024	May 31, 2023
Operating lease cost
Fixed	$ 866	$ 879	$ 2,605	$ 2,545
Variable	228	218	653	613
Finance lease cost
Amortization	13	15	45	36
Interest	12	14	38	38
Sublease income 2	29	29	84	87
Impairment of right-of-use assets	13	38	194	109
Gain on sale and leaseback	10	293	268	825
U.S. Retail Pharmacy
Finance lease cost
Gain on sale and leaseback	10	263	268	647
International
Finance lease cost
Gain on sale and leaseback	$ 0	30	$ 0	178
GERMANY \| International
Finance lease cost
Gain on sale and leaseback		30		178
GERMANY \| International \| Fiscal Year 2023 Acquisitions
Finance lease cost
Gain on sale and leaseback		$ 6		$ 47

Amount of interest expense on finance lease liability.

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Amount of amortization expense attributable to right-of-use asset from finance lease.

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Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.

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Amount of loss from impairment of right-of-use asset from operating lease.

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Amount of gain (loss) on sale and leaseback transaction from transfer of asset accounted for as sale.

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Amount of sublease income excluding finance and operating lease expense.

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Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.

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Lessee, Finance Lease, Cost

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Operating Lease, Cost

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