Summary of Business and Material Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2025

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Schedule of Computer Hardware and Other Property - Estimated Useful Lives

Property and equipment are recorded at cost and depreciated on a straight-line basis over their estimated useful lives as follows:



Buildings and building improvements		10-40 years


Computer equipment		3 years


Furniture, fixtures and other equipment		5-7 years

Schedule of Other Identifiable Assets - Estimated Useful Lives

Identifiable intangible assets with finite lives are amortized on a straight-line basis over their estimated useful lives as follows:



Trade names		5 years


Customer relationships		6-40 years


Databases and content		28 years


Other		3-30 years