| Document and Entity Information | Aug. 02, 2021 |
| Document And Entity Information [Line Items] | |
| Amendment Flag | false |
| Entity Central Index Key | 0001828105 |
| Document Type | 8-K/A |
| Document Period End Date | Aug. 2, 2021 |
| Entity Registrant Name | Hippo Holdings Inc. |
| Entity Incorporation State Country Code | DE |
| Entity File Number | 001-39711 |
| Entity Tax Identification Number | 32-0662604 |
| Entity Address, Address Line One | 150 Forest Avenue |
| Entity Address, City or Town | Palo Alto |
| Entity Address, State or Province | CA |
| Entity Address, Postal Zip Code | 94301 |
| City Area Code | (650) |
| Local Phone Number | 294-8463 |
| Written Communications | false |
| Soliciting Material | false |
| Pre Commencement Tender Offer | false |
| Pre Commencement Issuer Tender Offer | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Common Stock [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Common stock, $0.0001 par value per share |
| Trading Symbol | HIPO |
| Security Exchange Name | NYSE |
| Warrant [Member] | |
| Document And Entity Information [Line Items] | |
| Security 12b Title | Warrants to purchase common stock |
| Trading Symbol | HIPO.WS |
| Security Exchange Name | NYSE |
