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Revenue From Contracts With Customers (Tables) | 9 Months Ended
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Sep. 30, 2020
Revenue from Contract with Customer [Abstract] |
Disaggregation of Revenue |
|  | Three Months Ended September 30, |  | Nine Months Ended September 30, |
|  | 2020 |  | 2019 |  | 2020 |  | 2019 |
|  | (in millions) |
Geographic location 1 |  |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 202 |  | $ | 158 |  | $ | 599 |  | $ | 460 |
International |  |  | 122 |  |  | 64 |  |  | 348 |  |  | 183 |
|  | $ | 324 |  | $ | 222 |  | $ | 947 |  | $ | 643 |
Major types of services |  |  |  |  |  |  |  |  |  |  |  |  |
Commissions |  | $ | 279 |  | $ | 187 |  | $ | 824 |  | $ | 538 |
Market data fees 2 |  |  | 16 |  |  | 11 |  |  | 44 |  |  | 34 |
Risk exposure fees 2 |  |  | 3 |  |  | 4 |  |  | 8 |  |  | 13 |
Payments for order flow 2 |  |  | 6 |  |  | 5 |  |  | 20 |  |  | 16 |
Minimum activity fees 2 |  |  | 7 |  |  | 7 |  |  | 20 |  |  | 20 |
Other 2 |  |  | 13 |  |  | 8 |  |  | 31 |  |  | 22 |
|  | $ | 324 |  | $ | 222 |  | $ | 947 |  | $ | 643 |
_____________________________ (1)Based on the location of the subsidiaries in which the revenues are recorded. ‎ (2)Included in other fees and services in the condensed consolidated statements of comprehensive income.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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