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Regulatory Requirements (Tables) | 12 Months Ended
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Dec. 31, 2023
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 7,319 |  | $ | 823 |  | $ | 6,496
IBHK |  |  | 1,265 |  |  | 223 |  |  | 1,042
IBIE |  |  | 685 |  |  | 189 |  |  | 496
Other regulated operating subsidiaries |  |  | 2,333 |  |  | 142 |  |  | 2,191
|  | $ | 11,602 |  | $ | 1,377 |  | $ | 10,225

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