Acquisitions - Summary of Brief Description of the Most Significant Acquisition (Detail) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Pagero Group AB [Member] | |
| Description Of Acquisitions Completed [Line Items] | |
| Date of acquisition | January 2024 |
| Name of acquiree | Pagero Group AB (publ) (“Pagero”) |
| Description of the acquiring segment | Corporates |
| Description of acquiree | A global leader in e-invoicing and indirect tax solutions, which it delivers through its Smart Business Network. |
| World Business Media Limited [Member] | |
| Description Of Acquisitions Completed [Line Items] | |
| Date of acquisition | January 2024 |
| Name of acquiree | World Business Media Limited (“The Insurer”) |
| Description of the acquiring segment | Reuters |
| Description of acquiree | A cross-platform, subscription-based provider of editorial coverage for the global P&C and specialty (re)insurance industry. |
| Credere Technologies, Inc., Materia [Member] | |
| Description Of Acquisitions Completed [Line Items] | |
| Date of acquisition | October 2024 |
| Name of acquiree | Credere Technologies, Inc., doing business as Materia |
| Description of the acquiring segment | Tax, Audit & Accounting Professionals |
| Description of acquiree | Specializes in the development of an agentic AI assistant for the tax, audit and accounting profession. |
| cPaperless, LLC [Member] | |
| Description Of Acquisitions Completed [Line Items] | |
| Date of acquisition | January 2025 |
| Name of acquiree | cPaperless, LLC ("SafeSend") |
| Description of the acquiring segment | Tax, Audit & Accounting Professionals |
| Description of acquiree | A U.S. based cloud-native provider of technology for tax and accounting professionals. SafeSend automates the “last-mile” of the tax return, including assembly, review, taxpayer e-signature, and delivery. |
| Additive AI, Inc. [Member] | |
| Description Of Acquisitions Completed [Line Items] | |
| Date of acquisition | September 2025 |
| Name of acquiree | Additive AI, Inc. ("Additive") |
| Description of the acquiring segment | Tax, Audit & Accounting Professionals |
| Description of acquiree | Uses AI to automate tax document processing for tax and accounting professionals. Additive's GenAI-native platform ingests and parses complex U.S. federal tax forms, including schedule K-1, during tax preparation. |