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Regulatory Requirements (Tables) | 3 Months Ended
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Mar. 31, 2025
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 9,666 |  | $ | 1,212 |  | $ | 8,454
IBHK |  |  | 1,517 |  |  | 368 |  |  | 1,149
IBIE |  |  | 1,360 |  |  | 351 |  |  | 1,009
Other regulated operating subsidiaries |  |  | 2,453 |  |  | 154 |  |  | 2,299
|  | $ | 14,996 |  | $ | 2,085 |  | $ | 12,911

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