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Organization and Nature of Operations (Details) $ in Billions | 9 Months Ended
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Sep. 30, 2018 USD ($) marketplace segment company exchange exchange_traded_product country
Organization And Basis Of Presentation [Line Items] |
Number of operating segments | segment | 4
Market Services |
Organization And Basis Of Presentation [Line Items] |
Number of derivative exchanges listing commodities offerings | exchange | 2
Market Services | United States | Options Markets |
Organization And Basis Of Presentation [Line Items] |
Number of exchanges | exchange | 6
Market Services | United States | Cash Equities Trading Markets |
Organization And Basis Of Presentation [Line Items] |
Number of exchanges | exchange | 3
Corporate Services |
Organization And Basis Of Presentation [Line Items] |
Total number of listings on The Nasdaq Stock Market | company | 3,049
ETPs and other listings listed on Nasdaq Stock Market | company | 390
Approximate combined market capitalization, U.S. | $ | $ 13,400
Total number of listed companies within Nordic and Baltic exchanges | company | 1,010
Approximate combined market capitalization within Nordic and Baltic exchanges | $ | $ 1,500
Information Services |
Organization And Basis Of Presentation [Line Items] |
Number of exchange traded products licensed to Nasdaq's Indexes | exchange_traded_product | 358
Assets management value | $ | $ 206
Market Technology |
Organization And Basis Of Presentation [Line Items] |
Number of exchanges | marketplace | 100
Number of countries services are provided (more than) | country | 50

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- Definition Number of Derivative Exchanges Listing Commodities Offerings + References No definition available. + Details
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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References No definition available. + Details
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