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Other Income (Tables) | 12 Months Ended
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Dec. 31, 2018
Other Income [Abstract] |
Schedule Of Components Of Other Income | ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Year-Ended December 31,
﻿ |  | 2018 |  | 2017 |  | 2016
﻿ |  | (in millions)
﻿Market data fees 1 |  | $ | 46 |  | $ | 39 |  | $ | 35
﻿Risk exposure fees 1 |  |  | 26 |  |  | 24 |  |  | 19
﻿Payments for order flow 1 |  |  | 21 |  |  | 15 |  |  | 14
﻿Minimum activity fees 1 |  |  | 23 |  |  | 20 |  |  | 18
﻿Other brokerage related fees |  |  | 25 |  |  | 13 |  |  | 10
﻿Gains on financial instruments, at fair value and other investments, net |  |  | 24 |  |  | 1 |  |  | 35
﻿Gains (losses) from currency diversification strategy, net |  |  | (19) |  |  | 110 |  |  | (40)
﻿Other, net |  |  | 12 |  |  | 110 |  |  | 3
﻿ |  | $ | 158 |  | $ | 332 |  | $ | 94
﻿
| (1) |  | See Note 8 for description of these revenues.
﻿

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- Definition Tabular disclosure of each detailed component of other operating costs and expenses that are applicable to sales and revenues, but not included in the cost of sales in the income statement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.3) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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