| Document and Entity Information | Oct. 06, 2021 |
| Details | |
| Registrant CIK | 0001575659 |
| Document Type | 8-K |
| Document Period End Date | Oct. 6, 2021 |
| Entity Registrant Name | Rapid Therapeutic Science Laboratories, Inc. |
| Entity Incorporation, State or Country Code | NV |
| Entity File Number | 001-55018 |
| Entity Tax Identification Number | 46-2111820 |
| Entity Address, Address Line One | 15800 Dooley Road |
| Entity Address, Address Line Two | Suite 200 |
| Entity Address, City or Town | Addison |
| Entity Address, State or Province | TX |
| Entity Address, Postal Zip Code | 75001 |
| City Area Code | 800 |
| Local Phone Number | 497-6059 |
| 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 |
