v3.26.1
Claims, Lawsuits and Other Contingencies (Details) - Australian Proceedings
$ in Millions
1 Months Ended 15 Months Ended
Nov. 30, 2023
case
Jun. 30, 2026
USD ($)
Mar. 31, 2026
USD ($)
Loss Contingencies [Line Items]      
Loss contingency, damages sought plus interest and costs   $ 5,000  
Estimated liability and legal expenses     $ 425
Credit Suisse      
Loss Contingencies [Line Items]      
Loss contingency, damages sought plus interest and costs   2,000  
Loss contingency, number of loss payees | case 2    
Greensill Bank And Its Insolvency Administrator      
Loss Contingencies [Line Items]      
Loss contingency, damages sought plus interest and costs   $ 3,000