XML 82 R68.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Note 10 - Acquisitions - Amounts Assigned to Intangible Assets (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Weighted average useful life (Year) |  |  | 6 years
Total intangible assets | $ 33.5 |  | $ 6.0
The 2021 Acquisitions [Member] |  |  |
Total intangible assets |  | $ 172.7 |
2020 Acquisitions [Member] |  |  |
Total intangible assets |  |  | $ 109.4
Technology-Based Intangible Assets [Member] |  |  |
Weighted average useful life (Year) | 5 years |  |
Total intangible assets | $ 9.9 |  |
Technology-Based Intangible Assets [Member] | The 2021 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  | 6 years |
Total intangible assets |  | $ 48.5 |
Technology-Based Intangible Assets [Member] | 2020 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  |  | 5 years
Total intangible assets |  |  | $ 21.1
Marketing-Related Intangible Assets [Member] |  |  |
Weighted average useful life (Year) | 2 years |  |
Total intangible assets | $ 0.5 |  |
Marketing-Related Intangible Assets [Member] | The 2021 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  | 4 years |
Total intangible assets |  | $ 2.0 |
Marketing-Related Intangible Assets [Member] | 2020 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  |  | 3 years
Total intangible assets |  |  | $ 1.1
Customer-Related Intangible Assets [Member] |  |  |
Weighted average useful life (Year) | 13 years |  |
Total intangible assets | $ 23.1 |  |
Customer-Related Intangible Assets [Member] | The 2021 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  | 13 years |
Total intangible assets |  | $ 122.2 |
Customer-Related Intangible Assets [Member] | 2020 Acquisitions [Member] |  |  |
Weighted average useful life (Year) |  |  | 13 years
Total intangible assets |  |  | $ 81.2

X
- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
Name: | us-gaap_AcquiredFiniteLivedIntangibleAssetsWeightedAverageUsefulLife
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-1 + Details
Name: | us-gaap_FinitelivedIntangibleAssetsAcquired1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=vrsk_The2021AcquisitionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=vrsk_Acquisitions2020Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_TechnologyBasedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_MarketingRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_CustomerRelatedIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |