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Equity Method Investments - Summary of Financial Information for YPL with Reconciliation to Thomson Reuters Carrying Value of its Investment (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Liabilities    
Profit (loss), attributable to owners of parent $ 1,502 $ 2,210
Thomson Reuters carrying amount $ 202 $ 269