v3.26.1
Financial Assets And Financial Liabilities (Financial Assets and Liabilities Not Measured at Fair Value) (Details) - USD ($)
$ in Millions
Mar. 31, 2026
Dec. 31, 2025
Mar. 31, 2025
Cash and cash equivalents $ 5,085 $ 4,963 $ 3,500
Cash segregated for regulatory purposes 53,414 50,332 $ 39,173
Securities - segregated for regulatory purposes 41,889 26,521  
Securities borrowed 10,798 11,589  
Securities purchased under agreements to resell 9,948 7,117  
Receivables from customers 86,544 90,475  
Receivables from brokers, dealers and clearing organizations 5,405 5,161  
Interest receivable 537 530  
Other assets 1,677 1,570  
Short-term borrowings 12 19  
Securities loaned 32,016 24,751  
Customers 162,959 154,336  
Brokers, dealers, and clearing organizations 664 1,566  
Interest 315 321  
at Fair Value      
Cash and cash equivalents 5,085 4,963  
Cash segregated for regulatory purposes 53,414 50,332  
Securities - segregated for regulatory purposes 34,386 20,424  
Securities borrowed 10,798 11,589  
Securities purchased under agreements to resell 9,948 7,117  
Receivables from customers 86,544 90,475  
Receivables from brokers, dealers and clearing organizations 5,405 5,161  
Interest receivable 537 530  
Other assets 82 71  
Total financial assets, not measured at fair value 206,199 190,662  
Short-term borrowings 12 19  
Securities loaned 32,016 24,751  
Customers 162,959 154,336  
Brokers, dealers, and clearing organizations 664 1,566  
Interest 315 321  
Total financial liabilities, not measured at fair value 195,966 180,993  
At Carrying Value [Member]      
Cash and cash equivalents 5,085 4,963  
Cash segregated for regulatory purposes 53,414 50,332  
Securities - segregated for regulatory purposes 34,386 20,424  
Securities borrowed 10,798 11,589  
Securities purchased under agreements to resell 9,948 7,117  
Receivables from customers 86,544 90,475  
Receivables from brokers, dealers and clearing organizations 5,405 5,161  
Interest receivable 537 530  
Other assets 80 70  
Total financial assets, not measured at fair value 206,197 190,661  
Short-term borrowings 12 19  
Securities loaned 32,016 24,751  
Customers 162,959 154,336  
Brokers, dealers, and clearing organizations 664 1,566  
Interest 315 321  
Total financial liabilities, not measured at fair value 195,966 180,993  
Level 1 [Member]      
Cash and cash equivalents 5,085 4,963  
Cash segregated for regulatory purposes 53,414 50,332  
Securities - segregated for regulatory purposes 0 0  
Securities borrowed 0 0  
Securities purchased under agreements to resell 0 0  
Receivables from customers 0 0  
Receivables from brokers, dealers and clearing organizations 0 0  
Interest receivable 0 0  
Other assets 0 0  
Total financial assets, not measured at fair value 58,499 55,295  
Short-term borrowings 0 0  
Securities loaned 0 0  
Customers 0 0  
Brokers, dealers, and clearing organizations 0 0  
Interest 0 0  
Total financial liabilities, not measured at fair value 0 0  
Level 2 [Member]      
Cash and cash equivalents 0 0  
Cash segregated for regulatory purposes 0 0  
Securities - segregated for regulatory purposes 34,386 20,424  
Securities borrowed 10,798 11,589  
Securities purchased under agreements to resell 9,948 7,117  
Receivables from customers 86,544 90,475  
Receivables from brokers, dealers and clearing organizations 5,405 5,161  
Interest receivable 537 530  
Other assets 42 32  
Total financial assets, not measured at fair value 147,660 135,328  
Short-term borrowings 12 19  
Securities loaned 32,016 24,751  
Customers 162,959 154,336  
Brokers, dealers, and clearing organizations 664 1,566  
Interest 315 321  
Total financial liabilities, not measured at fair value 195,966 180,993  
Level 3 [Member]      
Cash and cash equivalents 0 0  
Cash segregated for regulatory purposes 0 0  
Securities - segregated for regulatory purposes 0 0  
Securities borrowed 0 0  
Securities purchased under agreements to resell 0 0  
Receivables from customers 0 0  
Receivables from brokers, dealers and clearing organizations 0 0  
Interest receivable 0 0  
Other assets 40 39  
Total financial assets, not measured at fair value 40 39  
Short-term borrowings 0 0  
Securities loaned 0 0  
Customers 0 0  
Brokers, dealers, and clearing organizations 0 0  
Interest 0 0  
Total financial liabilities, not measured at fair value $ 0 $ 0