Acquisitions and Dispositions of Businesses - Schedule of Acquisitions (Details) - acquisition	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Business Combination [Line Items]
Completed acquisitions	18	22
Risk Capital
Business Combination [Line Items]
Completed acquisitions	10	10
Human Capital
Business Combination [Line Items]
Completed acquisitions	8	12

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details