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Segment And Geographic Information | 6 Months Ended
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Jun. 30, 2017
Segment And Geographic Information [Abstract] |
Segment And Geographic Information | 12. Segment and Geographic Information The Company has two operating business segments: electronic brokerage and market making. These segments are supported by the corporate segment, which provides centralized services and executes the Company’s currency diversification strategy. ﻿ The Company conducts its electronic brokerage business through certain Interactive Brokers subsidiaries, which provide electronic trade execution and clearing services to customers worldwide. The Company conducts its market making business principally through its Timber Hill subsidiaries on the world’s leading exchanges and market centers, primarily in exchange‑traded equities, equity options and equity‑index options and futures. Significant transactions and balances between the Operating Companies occur, primarily as a result of certain Operating Companies holding exchange or clearing organization memberships, which are utilized to provide execution and clearing services to affiliates. Charges for transactions between segments are designed to approximate full costs. Intra‑segment and intra‑region income and expenses and related balances have been eliminated in this segment and geographic information to reflect the external business conducted in each segment or geographic region. Corporate items include non‑allocated corporate income and expenses that are not attributed to segments for performance measurement, net gains and losses on positions held as part of our overall currency diversification strategy, corporate assets and eliminations. ﻿ Management believes that the following information by business segment provides a reasonable representation of each segment’s contribution to total net revenues and income before income taxes for the three months and six months ended June 30, 2017 and 2016, and total assets as of June 30, 2017 and December 31, 2016: ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Three Months Ended June 30, |  | Six Months Ended June 30,
﻿ |  | 2017 |  | 2016 |  | 2017 |  | 2016
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | (in millions) |  | (in millions)
﻿Net revenues |  |  |  |  |  |  |  |  |  |  |  |
﻿Electronic brokerage |  | $ | 334 |  | $ | 310 |  | $ | 648 |  | $ | 657
﻿Market making |  |  | 23 |  |  | 43 |  |  | 31 |  |  | 102
﻿Corporate |  |  | 30 |  |  | 16 |  |  | 82 |  |  | 99
﻿Total net revenues |  | $ | 387 |  | $ | 369 |  | $ | 761 |  | $ | 858
﻿Income before income taxes |  |  |  |  |  |  |  |  |  |  |  |
﻿Electronic brokerage |  | $ | 198 |  | $ | 191 |  | $ | 383 |  | $ | 426
﻿Market making |  |  | (24) |  |  | 5 |  |  | (46) |  |  | 25
﻿Corporate |  |  | 30 |  |  | 17 |  |  | 80 |  |  | 99
﻿Total income before income taxes |  | $ | 204 |  | $ | 213 |  | $ | 417 |  | $ | 550
﻿ ﻿
﻿ |  |  |  |  |  |
﻿ |  |  |  |  |  |
﻿ |  | June 30, |  | December 31,
﻿ |  | 2017 |  | 2016
﻿ |  |  |  |  |  |
﻿ |  | (in millions)
﻿Segment assets |  |  |  |  |  |
﻿Electronic brokerage |  | $ | 54,562 |  | $ | 50,072
﻿Market making |  |  | 8,663 |  |  | 11,765
﻿Corporate |  |  | (5,628) |  |  | (7,164)
﻿Total assets |  | $ | 57,597 |  | $ | 54,673
﻿ The Company operates its automated global business in the U.S. and international markets on more than 120 electronic exchanges and market centers. A significant portion of the Company’s net revenues are generated by subsidiaries operating outside the U.S. International operations are comprised of electronic brokerage and market making activities in 24 countries in Europe, Asia and the Americas (outside the U.S.). The following table presents total net revenues and income before income taxes by geographic area for the three months and six ended June 30, 2017 and 2016. The geographic analysis presented below is based on the location of the subsidiaries in which the transactions are recorded. This geographic information does not reflect the way the Company’s business is managed. ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | Three Months Ended June 30, |  | Six Months Ended June 30,
﻿ |  | 2017 |  | 2016 |  | 2017 |  | 2016
﻿ |  |  |  |  |  |  |  |  |  |  |  |
﻿ |  | (in millions) |  | (in millions)
﻿Net revenues |  |  |  |  |  |  |  |  |  |  |  |
﻿United States |  | $ | 316 |  | $ | 278 |  | $ | 619 |  | $ | 682
﻿International |  |  | 71 |  |  | 91 |  |  | 142 |  |  | 176
﻿Total net revenues |  | $ | 387 |  | $ | 369 |  | $ | 761 |  | $ | 858
﻿Income before income taxes |  |  |  |  |  |  |  |  |  |  |  |
﻿United States |  | $ | 186 |  | $ | 177 |  | $ | 381 |  | $ | 485
﻿International |  |  | 18 |  |  | 36 |  |  | 36 |  |  | 65
﻿Total income before income taxes |  | $ | 204 |  | $ | 213 |  | $ | 417 |  | $ | 550
﻿ ﻿ ﻿ ﻿ ﻿

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8981-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9038-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8971-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8595-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8380-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8984-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9031-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8538-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8864-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8924-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=68060357&loc=d3e8906-108599 + Details
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