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Organization and Nature of Operations - Narrative (Details) $ in Billions | 12 Months Ended
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Dec. 31, 2022 USD ($) company segment | Dec. 31, 2021 segment
Organization And Basis Of Presentation [Line Items] |  |
Number of operating segments (in segments) | segment | 3 | 4
Capital Access Platforms | United States |  |
Organization And Basis Of Presentation [Line Items] |  |
Total number of listings on The Nasdaq Stock Market (in companies) | 4,230 |
ETPs and other listings listed on Nasdaq Stock Market (in companies) | 528 |
Approximate combined market capitalization | $ | $ 19,300 |
Capital Access Platforms | Europe |  |
Organization And Basis Of Presentation [Line Items] |  |
Approximate combined market capitalization | $ | $ 1,900 |
Total number of listed companies within Nordic and Baltic exchanges (in companies) | 1,251 |
Investment Intelligence |  |
Organization And Basis Of Presentation [Line Items] |  |
Number of exchange traded products licensed to Nasdaq's Indexes (in exchange traded products) | 379 |
Number of equity exchanges (in exchanges) | 26 |
Number of countries services are provided (in countries) | 20 |
Assets management value | $ | $ 315 |

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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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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