| Document And Entity Information | Aug. 03, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | VERISK ANALYTICS, INC. |
| Document, Type | 8-K |
| Document, Period End Date | Aug. 3, 2021 |
| Entity, Incorporation, State or Country Code | DE |
| Entity, File Number | 001-34480 |
| Entity, Tax Identification Number | 26-2994223 |
| Entity, Address, Address Line One | 545 Washington Boulevard |
| Entity, Address, City or Town | Jersey City |
| Entity, Address, State or Province | NJ |
| Entity, Address, Postal Zip Code | 07310 |
| City Area Code | 201 |
| Local Phone Number | 469-3000 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common Stock |
| Trading Symbol | VRSK |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001442145 |
