v3.25.2

Stockholders' Equity - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	4 Months Ended	12 Months Ended
	Aug. 31, 2025	Aug. 31, 2025	Sep. 01, 2024
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared	$ 1.30	$ 4.92	$ 19.36
Dividends, Common Stock, Cash		$ 2,183	$ 8,589
Special Dividend [Member]
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared			$ 15
Special Dividend [Member] \| Common Stock
Dividends Payable [Line Items]
Dividends			$ 6,655

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

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- Definition

Amount of paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, common and preferred stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 505
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-SubTopic 405
-Topic 942
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477787/942-405-45-2

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Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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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.

+ References

No definition available.

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COSTCO WHOLESALE CORP /NEW 10-K