v3.26.1
Claims, Lawsuits and Other Contingencies (Details) - Australian Proceedings
$ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2023
plaintiff
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, number of loss payees | plaintiff 2