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Regulatory Requirements (Tables) | 6 Months Ended
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Jun. 30, 2023
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 6,871 |  | $ | 794 |  | $ | 6,077
IBHK |  |  | 1,080 |  |  | 208 |  |  | 872
IBIE |  |  | 676 |  |  | 162 |  |  | 514
Other regulated operating subsidiaries |  |  | 2,091 |  |  | 125 |  |  | 1,966
|  | $ | 10,718 |  | $ | 1,289 |  | $ | 9,429

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