v3.25.4
Contingencies, Commitments and Guarantees - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 36 Months Ended
Dec. 31, 2023
Jun. 30, 2025
May 31, 2025
Dec. 31, 2025
Disclosure of analysis of single amount of discontinued operations [line items]        
Diverted profits tax paid $ 430      
Gross loan commitments       $ 2,000
Contingent liability for guarantees [Member] | Three Times Square Associates LLC [Member] | Thomson Reuters And Rudin [Member]        
Disclosure of analysis of single amount of discontinued operations [line items]        
Notional amount   $ 385 $ 415  
Borrowings term   2 years 3 years  
Borrowings expiration month and year   2027-06    
Percentage of minimum economic exposure for the joint and several obligations       50.00%
Contingent liability for guarantees [Member] | Three Times Square Associates LLC [Member] | Thomson Reuters [Member]        
Disclosure of analysis of single amount of discontinued operations [line items]        
Percentage of guarantee       50.00%
Contingent liability for guarantees [Member] | Three Times Square Associates LLC [Member] | Rudin [Member]        
Disclosure of analysis of single amount of discontinued operations [line items]        
Percentage of guarantee       50.00%
Syndicated Credit Facility [Member]        
Disclosure of analysis of single amount of discontinued operations [line items]        
Gross loan commitments       $ 2,000