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Financial Assets And Financial Liabilities (Financial Assets and Liabilities Not Measured at Fair Value) (Details) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021 | Jun. 30, 2021
--- | --- | --- | ---
Cash and cash equivalents | $ 2,881 | $ 2,395 | $ 3,218
Cash segregated for regulatory purposes | 23,536 | 22,888 | $ 22,099
Securities - segregated for regulatory purposes | 30,709 | 15,121 |
Securities borrowed | 3,855 | 3,912 |
Securities purchased under agreements to resell | 6,288 | 4,380 |
Receivables from customers | 42,552 | 54,935 |
Receivables from brokers, dealers and clearing organizations | 1,939 | 3,771 |
Interest Receivable | 150 | 127 |
Other assets | 925 | 911 |
Short-term borrowings | 17 | 27 |
Securities loaned | 10,696 | 11,769 |
Customers | 90,765 | 85,634 |
Brokers, dealers and clearing organizations | 308 | 557 |
Interest | 36 | 8 |
at Fair Value |  |  |
Cash and cash equivalents | 2,881 | 2,395 |
Cash segregated for regulatory purposes | 23,536 | 22,888 |
Securities - segregated for regulatory purposes | 23,346 | 10,392 |
Securities borrowed | 3,855 | 3,912 |
Securities purchased under agreements to resell | 6,288 | 4,380 |
Receivables from customers | 42,552 | 54,935 |
Receivables from brokers, dealers and clearing organizations | 1,939 | 3,771 |
Interest Receivable | 150 | 127 |
Other assets | 19 | 20 |
Total financial assets, not measured at fair value | 104,566 | 102,820 |
Short-term borrowings | 17 | 27 |
Securities loaned | 10,696 | 11,769 |
Customers | 90,765 | 85,634 |
Brokers, dealers and clearing organizations | 308 | 557 |
Interest | 36 | 8 |
Total financial liabilities, not measured at fair value | 101,822 | 97,995 |
Carrying Value |  |  |
Cash and cash equivalents | 2,881 | 2,395 |
Cash segregated for regulatory purposes | 23,536 | 22,888 |
Securities - segregated for regulatory purposes | 23,346 | 10,392 |
Securities borrowed | 3,855 | 3,912 |
Securities purchased under agreements to resell | 6,288 | 4,380 |
Receivables from customers | 42,552 | 54,935 |
Receivables from brokers, dealers and clearing organizations | 1,939 | 3,771 |
Interest Receivable | 150 | 127 |
Other assets | 18 | 20 |
Total financial assets, not measured at fair value | 104,565 | 102,820 |
Short-term borrowings | 17 | 27 |
Securities loaned | 10,696 | 11,769 |
Customers | 90,765 | 85,634 |
Brokers, dealers and clearing organizations | 308 | 557 |
Interest | 36 | 8 |
Total financial liabilities, not measured at fair value | 101,822 | 97,995 |
Level 1 [Member] |  |  |
Cash and cash equivalents | 2,881 | 2,395 |
Cash segregated for regulatory purposes | 23,536 | 22,888 |
Total financial assets, not measured at fair value | 26,417 | 25,283 |
Short-term borrowings |  |  |
Securities loaned |  |  |
Customers |  |  |
Brokers, dealers and clearing organizations |  |  |
Interest |  |  |
Total financial liabilities, not measured at fair value |  |  |
Level 2 [Member] |  |  |
Securities - segregated for regulatory purposes | 23,346 | 10,392 |
Securities borrowed | 3,855 | 3,912 |
Securities purchased under agreements to resell | 6,288 | 4,380 |
Receivables from customers | 42,552 | 54,935 |
Receivables from brokers, dealers and clearing organizations | 1,939 | 3,771 |
Interest Receivable | 150 | 127 |
Other assets | 2 | 2 |
Total financial assets, not measured at fair value | 78,132 | 77,519 |
Short-term borrowings | 17 | 27 |
Securities loaned | 10,696 | 11,769 |
Customers | 90,765 | 85,634 |
Brokers, dealers and clearing organizations | 308 | 557 |
Interest | 36 | 8 |
Total financial liabilities, not measured at fair value | 101,822 | 97,995 |
Level 3 [Member] |  |  |
Cash and cash equivalents |  |  |
Cash segregated for regulatory purposes |  |  |
Securities - segregated for regulatory purposes |  |  |
Securities borrowed |  |  |
Securities purchased under agreements to resell |  |  |
Receivables from customers |  |  |
Receivables from brokers, dealers and clearing organizations |  |  |
Interest Receivable |  |  |
Other assets | 17 | 18 |
Total financial assets, not measured at fair value | 17 | 18 |
Short-term borrowings |  |  |
Securities loaned |  |  |
Customers |  |  |
Brokers, dealers and clearing organizations |  |  |
Interest |  |  |
Total financial liabilities, not measured at fair value |  |  |

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