Document and Entity Information
Document and Entity Information | Jan. 21, 2021 |
Cover [Abstract] | |
Entity Registrant Name | COSTCO WHOLESALE CORP /NEW |
Amendment Flag | false |
Entity Central Index Key | 0000909832 |
Document Type | 8-K |
Document Period End Date | Jan. 21, 2021 |
Entity Incorporation State Country Code | WA |
Entity File Number | 0-20355 |
Entity Tax Identification Number | 91-1223280 |
Entity Address, Address Line One | 999 Lake Drive |
Entity Address, City or Town | Issaquah |
Entity Address, State or Province | WA |
Entity Address, Postal Zip Code | 98027 |
City Area Code | 425 |
Local Phone Number | 313-8100 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, par value $.01 per share |
Trading Symbol | COST |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |