Net Income per Common and Common Equivalent Share	12 Months Ended
	Sep. 03, 2023
Earnings Per Share [Abstract]
Net Income Per Common and Common Equivalent Share	Note 9—Net Income per Common and Common Equivalent ShareThe following table shows the amounts used in computing net income per share and the weighted average number of shares of basic and of potentially dilutive common shares outstanding (shares in 000’s): 202320222021Net income attributable to Costco$6,292 $5,844 $5,007 Weighted average basic shares443,854 443,651 443,089 RSUs598 1,106 1,257 Weighted average diluted shares444,452 444,757 444,346