| Document and Entity Information | Jul. 26, 2022 |
| Details | |
| Registrant CIK | 0001367408 |
| Document Type | 8-K |
| Document Period End Date | Jul. 26, 2022 |
| Entity Registrant Name | Sino American Oil Co |
| Entity Incorporation, State or Country Code | WY |
| Securities Act File Number | 000-52304 |
| Entity Tax Identification Number | 02-3717729 |
| Entity Address, Address Line One | 2123 Pioneer Avenue |
| Entity Address, City or Town | Cheyenne |
| Entity Address, State or Province | WY |
| Entity Address, Postal Zip Code | 82001 |
| City Area Code | 360 |
| Local Phone Number | 361-8066 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | false |
| Amendment Flag | false |
