Summary Of Significant Accounting Policies (Merchandise Inventories (Details) - USD ($) $ in Millions	Sep. 01, 2019	Sep. 02, 2018
Schedule of Inventory [Line Items]
Merchandise inventories	$ 11,395	$ 11,040
UNITED STATES
Schedule of Inventory [Line Items]
LIFO Inventory	8,415	8,081
CANADA
Schedule of Inventory [Line Items]
FIFO Inventory Amount	1,123	1,189
Other International Operations
Schedule of Inventory [Line Items]
FIFO Inventory Amount	$ 1,857	$ 1,770

The amount of FIFO (first in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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-Topic 210
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-Section 50
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section 45
-Paragraph 1
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The amount of LIFO (last in first out) inventory present at the reporting date when inventory is also valued using different valuation methods.

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