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Summary Of Significant Accounting Policies (Merchandise Inventories (Details) - USD ($) $ in Millions | Aug. 29, 2021 | Aug. 30, 2020
--- | --- | ---
Schedule of Inventory [Line Items] |  |
Merchandise inventories | $ 14,215 | $ 12,242
UNITED STATES |  |
Schedule of Inventory [Line Items] |  |
LIFO Inventory | 10,248 | 8,871
CANADA |  |
Schedule of Inventory [Line Items] |  |
FIFO Inventory Amount | 1,456 | 1,310
Other International Operations |  |
Schedule of Inventory [Line Items] |  |
FIFO Inventory Amount | $ 2,511 | $ 2,061

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