Organization and Nature of Operations (Details) $ in Billions	3 Months Ended
	Mar. 31, 2020 USD ($) company exchange marketplace exchange_traded_product segment country
Organization And Basis Of Presentation [Line Items]
Number of operating segments (in segments) | segment	4
Surveillance Technology
Organization And Basis Of Presentation [Line Items]
Number of exchanges (in marketplaces) | marketplace	160
Market Services | United States | Options Markets
Organization And Basis Of Presentation [Line Items]
Number of exchanges (in marketplaces) | exchange	6
Market Services | United States | Cash Equities Trading Markets
Organization And Basis Of Presentation [Line Items]
Number of exchanges (in marketplaces) | exchange	3
Corporate Services | United States
Organization And Basis Of Presentation [Line Items]
Total number of listings on The Nasdaq Stock Market | company	3,146
ETPs and other listings listed on Nasdaq Stock Market | company	412
Approximate combined market capitalization | $	$ 12,900
Corporate Services | Europe
Organization And Basis Of Presentation [Line Items]
Approximate combined market capitalization | $	$ 1,300
Total number of listed companies within Nordic and Baltic exchanges (in countries) | company	1,039
Information Services
Organization And Basis Of Presentation [Line Items]
Number of exchange traded products licensed to Nasdaq's Indexes (in exchange traded products) | exchange_traded_product	325
Assets management value | $	$ 206
Market Technology
Organization And Basis Of Presentation [Line Items]
Number of exchanges (in marketplaces) | marketplace	100
Number of countries services are provided (in countries) | country	50