| Document and Entity Information Statement | Jan. 30, 2020 |
| Entity Information [Line Items] | |
| Document Type | 8-K |
| Document Period End Date | Jan. 30, 2020 |
| Entity Registrant Name | AMAZON.COM, INC. |
| Entity Incorporation, State or Country Code | DE |
| Entity File Number | 000-22513 |
| Entity Tax Identification Number | 91-1646860 |
| Entity Address, Address Line One | 410 Terry Avenue North |
| Entity Address, City or Town | Seattle |
| Entity Address, State or Province | WA |
| Entity Address, Postal Zip Code | 98109-5210 |
| City Area Code | 206 |
| Local Phone Number | 266-1000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock, par value $.01 per share |
| Trading Symbol | AMZN |
| Security Exchange Name | NASDAQ |
| Entity Emerging Growth Company | false |
| Entity Central Index Key | 0001018724 |
| Amendment Flag | false |
