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Regulatory Requirements (Tables) | 6 Months Ended
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Jun. 30, 2021
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 4,831 |  | $ | 912 |  | $ | 3,919
IBKRFS |  |  | 611 |  |  | 11 |  |  | 600
IBHK |  |  | 788 |  |  | 330 |  |  | 458
Other regulated operating subsidiaries |  |  | 1,721 |  |  | 513 |  |  | 1,208
|  | $ | 7,951 |  | $ | 1,766 |  | $ | 6,185

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