v3.26.1
Fair Values of Assets and Liabilities - Fair Value of Other Financial Instruments (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Assets    
Cash and cash equivalents $ 18,504 $ 15,936
Cash and investments segregated and on deposit for regulatory purposes 17,827 23,555
Held to maturity securities: 130,568 133,969
Other assets 3,738 3,163
U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 128,551 133,563
U.S. Treasury securities    
Assets    
Cash and cash equivalents   1,989
Held to maturity securities: 2,017 406
Level 1    
Assets    
Cash and cash equivalents 18,504 13,947
Cash and investments segregated and on deposit for regulatory purposes 0 0
Other assets 3,561 3,018
Level 1 | U.S. Treasury securities    
Assets    
Cash and cash equivalents   0
Level 2    
Assets    
Cash and cash equivalents 0 1,989
Cash and investments segregated and on deposit for regulatory purposes 17,827 23,555
Other assets 177 145
Level 2 | U.S. Treasury securities    
Assets    
Cash and cash equivalents   1,989
Level 3    
Assets    
Cash and cash equivalents 0 0
Cash and investments segregated and on deposit for regulatory purposes 0 0
Other assets 0 0
Level 3 | U.S. Treasury securities    
Assets    
Cash and cash equivalents   0
Carrying Amount    
Assets    
Cash and cash equivalents 22,076 30,094
Cash and investments segregated and on deposit for regulatory purposes 15,143 19,290
Receivables from brokers, dealers, and clearing organizations 22,004 7,190
Receivables from brokerage clients — net 122,799 104,625
Held to maturity securities: 130,568 133,969
Bank loans – net 66,996 57,955
Other assets 684 766
Liabilities    
Bank deposits 249,682 255,747
Payables to brokers, dealers, and clearing organizations 43,826 25,689
Payables to brokerage clients 123,968 116,341
Accrued expenses and other liabilities 1,655 1,359
Other short-term borrowings 13,945 6,913
Federal Home Loan Bank borrowings 500 1,850
Long-term debt 22,054 22,162
Carrying Amount | Total residential real estate | First Mortgages    
Assets    
Bank loans – net 32,752 30,456
Carrying Amount | Total residential real estate | HELOCs    
Assets    
Bank loans – net 422 426
Carrying Amount | Pledged asset lines    
Assets    
Bank loans – net 33,416 26,603
Carrying Amount | Other    
Assets    
Bank loans – net 406 470
Carrying Amount | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 128,551 133,563
Carrying Amount | U.S. Treasury securities    
Assets    
Held to maturity securities: 2,017 406
Portion at Other than Fair Value Measurement    
Assets    
Cash and cash equivalents 22,076 30,094
Cash and investments segregated and on deposit for regulatory purposes 15,143 19,290
Receivables from brokers, dealers, and clearing organizations 22,004 7,190
Receivables from brokerage clients — net 122,799 104,625
Held to maturity securities: 121,206 126,055
Bank loans – net 64,987 56,116
Other assets 684 766
Liabilities    
Bank deposits 249,682 255,747
Payables to brokers, dealers, and clearing organizations 43,826 25,689
Payables to brokerage clients 123,968 116,341
Accrued expenses and other liabilities 1,655 1,359
Other short-term borrowings 13,945 6,913
Federal Home Loan Bank borrowings 500 1,850
Long-term debt 22,014 22,059
Portion at Other than Fair Value Measurement | Total residential real estate | First Mortgages    
Assets    
Bank loans – net 30,748 28,612
Portion at Other than Fair Value Measurement | Total residential real estate | HELOCs    
Assets    
Bank loans – net 417 431
Portion at Other than Fair Value Measurement | Pledged asset lines    
Assets    
Bank loans – net 33,416 26,603
Portion at Other than Fair Value Measurement | Other    
Assets    
Bank loans – net 406 470
Portion at Other than Fair Value Measurement | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 119,220 125,649
Portion at Other than Fair Value Measurement | U.S. Treasury securities    
Assets    
Held to maturity securities: 1,986 406
Portion at Other than Fair Value Measurement | Level 1    
Assets    
Cash and cash equivalents 21,476 30,094
Cash and investments segregated and on deposit for regulatory purposes 2,543 2,470
Receivables from brokers, dealers, and clearing organizations 0 0
Receivables from brokerage clients — net 0 0
Held to maturity securities: 0 0
Bank loans – net 0 0
Other assets 0 0
Liabilities    
Bank deposits 0 0
Payables to brokers, dealers, and clearing organizations 0 0
Payables to brokerage clients 0 0
Accrued expenses and other liabilities 0 0
Other short-term borrowings 0 0
Federal Home Loan Bank borrowings 0 0
Long-term debt 0 0
Portion at Other than Fair Value Measurement | Level 1 | Total residential real estate | First Mortgages    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 1 | Total residential real estate | HELOCs    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 1 | Pledged asset lines    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 1 | Other    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 1 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 0 0
Portion at Other than Fair Value Measurement | Level 1 | U.S. Treasury securities    
Assets    
Held to maturity securities: 0 0
Portion at Other than Fair Value Measurement | Level 2    
Assets    
Cash and cash equivalents 600 0
Cash and investments segregated and on deposit for regulatory purposes 12,600 16,820
Receivables from brokers, dealers, and clearing organizations 22,004 7,190
Receivables from brokerage clients — net 122,799 104,625
Held to maturity securities: 121,206 126,055
Bank loans – net 64,987 56,116
Other assets 684 766
Liabilities    
Bank deposits 249,682 255,747
Payables to brokers, dealers, and clearing organizations 43,826 25,689
Payables to brokerage clients 123,968 116,341
Accrued expenses and other liabilities 1,655 1,359
Other short-term borrowings 13,945 6,913
Federal Home Loan Bank borrowings 500 1,850
Long-term debt 22,014 22,059
Portion at Other than Fair Value Measurement | Level 2 | Total residential real estate | First Mortgages    
Assets    
Bank loans – net 30,748 28,612
Portion at Other than Fair Value Measurement | Level 2 | Total residential real estate | HELOCs    
Assets    
Bank loans – net 417 431
Portion at Other than Fair Value Measurement | Level 2 | Pledged asset lines    
Assets    
Bank loans – net 33,416 26,603
Portion at Other than Fair Value Measurement | Level 2 | Other    
Assets    
Bank loans – net 406 470
Portion at Other than Fair Value Measurement | Level 2 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 119,220 125,649
Portion at Other than Fair Value Measurement | Level 2 | U.S. Treasury securities    
Assets    
Held to maturity securities: 1,986 406
Portion at Other than Fair Value Measurement | Level 3    
Assets    
Cash and cash equivalents 0 0
Cash and investments segregated and on deposit for regulatory purposes 0 0
Receivables from brokers, dealers, and clearing organizations 0 0
Receivables from brokerage clients — net 0 0
Held to maturity securities: 0 0
Bank loans – net 0 0
Other assets 0 0
Liabilities    
Bank deposits 0 0
Payables to brokers, dealers, and clearing organizations 0 0
Payables to brokerage clients 0 0
Accrued expenses and other liabilities 0 0
Other short-term borrowings 0 0
Federal Home Loan Bank borrowings 0 0
Long-term debt 0 0
Portion at Other than Fair Value Measurement | Level 3 | Total residential real estate | First Mortgages    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 3 | Total residential real estate | HELOCs    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 3 | Pledged asset lines    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 3 | Other    
Assets    
Bank loans – net 0 0
Portion at Other than Fair Value Measurement | Level 3 | U.S. agency mortgage-backed securities    
Assets    
Held to maturity securities: 0 0
Portion at Other than Fair Value Measurement | Level 3 | U.S. Treasury securities    
Assets    
Held to maturity securities: $ 0 $ 0