| Cover | May 31, 2024 |
| Cover [Abstract] | |
| Document Type | 8-K |
| Amendment Flag | false |
| Document Period End Date | May 31, 2024 |
| Entity File Number | 333-62216 |
| Entity Registrant Name | HEALTH DISCOVERY CORPORATION |
| Entity Central Index Key | 0001141788 |
| Entity Tax Identification Number | 74-3002154 |
| Entity Incorporation, State or Country Code | GA |
| Entity Address, Address Line One | 2002 SUMMIT BLVD |
| Entity Address, Address Line Two | SUITE 300 |
| Entity Address, City or Town | ATLANTA |
| Entity Address, State or Province | GA |
| Entity Address, Postal Zip Code | 30319 |
| City Area Code | (404) |
| Local Phone Number | 566-4865 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Trading Symbol | HDVY |
| Title of 12(g) Security | Common Stock, no par value |
| Entity Emerging Growth Company | false |
