v3.26.1
Segment, Geographic and Revenue Information - Assets by Business Segment (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Segment Reporting Information    
Assets $ 1,581,418 $ 1,420,270
Institutional Securities1    
Segment Reporting Information    
Assets 1,235,197 969,553
Increase (decrease) in operating assets 111,000  
Wealth Management1    
Segment Reporting Information    
Assets 328,397 433,017
Increase (decrease) in operating assets (111,000)  
Investment Management    
Segment Reporting Information    
Assets $ 17,824 $ 17,700