v3.26.1
Financial Assets And Financial Liabilities (Financial Assets and Liabilities Not Measured at Fair Value) (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Cash and cash equivalents $ 7,711 $ 4,963 $ 4,688
Cash segregated for regulatory purposes 56,594 50,332 $ 45,057
Securities - segregated for regulatory purposes 39,604 26,521  
Securities borrowed 10,006 11,589  
Securities purchased under agreements to resell 13,627 7,117  
Receivables from customers 108,939 90,475  
Receivables from brokers, dealers and clearing organizations 5,120 5,161  
Interest receivable 592 530  
Other assets 1,799 1,570  
Short-term borrowings 13 19  
Securities loaned 45,410 24,751  
Customers 176,779 154,336  
Brokers, dealers, and clearing organizations 819 1,566  
Interest 348 321  
at Fair Value      
Cash and cash equivalents 7,711 4,963  
Cash segregated for regulatory purposes 56,594 50,332  
Securities - segregated for regulatory purposes 31,578 20,424  
Securities borrowed 10,006 11,589  
Securities purchased under agreements to resell 13,627 7,117  
Receivables from customers 108,939 90,475  
Receivables from brokers, dealers and clearing organizations 5,120 5,161  
Interest receivable 592 530  
Other assets 87 71  
Total financial assets, not measured at fair value 234,254 190,662  
Short-term borrowings 13 19  
Securities loaned 45,410 24,751  
Customers 176,779 154,336  
Brokers, dealers, and clearing organizations 819 1,566  
Interest 348 321  
Total financial liabilities, not measured at fair value 223,369 180,993  
At Carrying Value [Member]      
Cash and cash equivalents 7,711 4,963  
Cash segregated for regulatory purposes 56,594 50,332  
Securities - segregated for regulatory purposes 31,578 20,424  
Securities borrowed 10,006 11,589  
Securities purchased under agreements to resell 13,627 7,117  
Receivables from customers 108,939 90,475  
Receivables from brokers, dealers and clearing organizations 5,120 5,161  
Interest receivable 592 530  
Other assets 85 70  
Total financial assets, not measured at fair value 234,252 190,661  
Short-term borrowings 13 19  
Securities loaned 45,410 24,751  
Customers 176,779 154,336  
Brokers, dealers, and clearing organizations 819 1,566  
Interest 348 321  
Total financial liabilities, not measured at fair value 223,369 180,993  
Level 1 [Member]      
Cash and cash equivalents 7,711 4,963  
Cash segregated for regulatory purposes 56,594 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 64,305 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 31,578 20,424  
Securities borrowed 10,006 11,589  
Securities purchased under agreements to resell 13,627 7,117  
Receivables from customers 108,939 90,475  
Receivables from brokers, dealers and clearing organizations 5,120 5,161  
Interest receivable 592 530  
Other assets 47 32  
Total financial assets, not measured at fair value 169,909 135,328  
Short-term borrowings 13 19  
Securities loaned 45,410 24,751  
Customers 176,779 154,336  
Brokers, dealers, and clearing organizations 819 1,566  
Interest 348 321  
Total financial liabilities, not measured at fair value 223,369 180,993  
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