v3.25.4
Summary of Business and Material Accounting Policies - Estimated Useful Lives (Detail)
 12 Months Ended
Dec. 31, 2025
Bottom of Range [Member] | Trade Names [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 5 years
Bottom of Range [Member] | Customer Relationships [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 6 years
Bottom of Range [Member] | Databases and Content [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 28 years
Bottom of Range [Member] | Other Identifiable Intangible Assets [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 3 years
Top of Range [Member] | Customer Relationships [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 40 years
Top of Range [Member] | Other Identifiable Intangible Assets [Member]  
Disclosure of detailed information about intangible assets [line items]  
Intangible assets useful lives 30 years