v3.26.1
Segment Reporting - Assets by Reportable Business Segment (Details) - USD ($)
$ in Thousands
May 31, 2026
Nov. 30, 2025
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets $ 79,539,946 $ 76,012,347
Investment Banking and Capital Markets    
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets 74,202,900 70,335,500
Asset Management    
Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue and Long-Lived Asset [Line Items]    
Total assets $ 5,337,000 $ 5,676,800