Leases - Supplemental Income Statement Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 29, 2024	Feb. 28, 2023	Feb. 29, 2024	Feb. 28, 2023
Operating lease cost
Fixed	$ 871	$ 853	$ 1,739	$ 1,667
Variable	210	203	424	395
Finance lease cost
Amortization	13	11	32	21
Interest	13	12	25	24
Sublease income 2	27	28	55	57
Impairment of right-of-use assets	132	4	181	71
Gain on sale and leaseback	98	343	258	532
U.S. Retail Pharmacy
Finance lease cost
Gain on sale and leaseback	98	211	258	384
International
Finance lease cost
Gain on sale and leaseback	$ 0	132	$ 0	148
GERMANY \| International
Finance lease cost
Gain on sale and leaseback		132		148
GERMANY \| International \| Fiscal Year 2023 Acquisitions
Finance lease cost
Gain on sale and leaseback		$ 24		$ 41

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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