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Regulatory Requirements (Tables) | 3 Months Ended
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Mar. 31, 2020
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 5,137 |  | $ | 343 |  | $ | 4,794
IBKRFS |  |  | 579 |  |  | 21 |  |  | 558
IBHK |  |  | 438 |  |  | 109 |  |  | 329
Other regulated operating subsidiaries |  |  | 789 |  |  | 42 |  |  | 747
|  | $ | 6,943 |  | $ | 515 |  | $ | 6,428

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