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Regulatory Requirements (Tables) | 9 Months Ended
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Sep. 30, 2023
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
|  | Net Capital/ |  |  |  |  |  |
|  | Eligible Equity |  | Requirement |  | Excess
|  | (in millions)
IB LLC |  | $ | 7,041 |  | $ | 783 |  | $ | 6,258
IBHK |  |  | 1,171 |  |  | 229 |  |  | 942
IBIE |  |  | 656 |  |  | 170 |  |  | 486
Other regulated operating subsidiaries |  |  | 2,135 |  |  | 116 |  |  | 2,019
|  | $ | 11,003 |  | $ | 1,298 |  | $ | 9,705

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