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Regulatory Requirements (Tables) | 6 Months Ended
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Jun. 30, 2016
Regulatory Requirements [Abstract] |
Summary Of Capital, Capital Requirements And Excess Capital |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Net Capital/ |  |  |  |  |  |
﻿ |  | Eligible Equity |  | Requirement |  | Excess
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | (in millions)
﻿IB LLC |  | $ | 2,923 |  | $ | 245 |  | $ | 2,678
﻿TH LLC |  |  | 278 |  |  | 1 |  |  | 277
﻿THE |  |  | 602 |  |  | 190 |  |  | 412
﻿Other regulated Operating Companies |  |  | 655 |  |  | 69 |  |  | 586
﻿ |  | $ | 4,458 |  | $ | 505 |  | $ | 3,953
﻿

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