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Cash trading... false false false false false false false false false false false verboselabel false 1 true true false false 927000000 927 false false false 2 true true false false 943000000 943 false false false 3 true true false false 1689000000 1689 false false false 4 true true false false 1773000000 1773 false false false xbrli:monetaryItemType monetary Transaction and clearing fees consist of fees collected from cash trading, derivative trading and clearing fees. Cash trading revenues include transaction charges for executions trades on our cash markets, as well as transaction charges related to orders routed to other market centers for execution. Derivative trading and clearing revenues consist of fixed per contract fees for executing trades of derivatives contracts and clearing charges on our derivatives markets and executing option contracts traded on our option platform. In some cases, derivative trading and clearing fees are subject to cap. Additionally, Transaction and clearing fees also include Section 31 fees we charge to our US member organizations and remit to the Securities, Exchange and Commissions semi-annually. No authoritative reference available. false 5 Market data 2 nyx_MarketDataInformationServiceRevenue nyx false credit duration Revenue from market information services, which provides subscribers with the current quote and most recent price at which... false false false false false false false false false false false verboselabel false 1 false true false false 93000000 93 false false false 2 false true false false 101000000 101 false false false 3 false true false false 184000000 184 false false false 4 false true false false 204000000 204 false false false xbrli:monetaryItemType monetary Revenue from market information services, which provides subscribers with the current quote and most recent price at which the last sale or purchase was transacted for a specific security, etc. No authoritative reference available. false 6 Listing 2 nyx_RevenueListing nyx false credit duration Revenue generated by a market center, such as the New York Stock Exchange, for a company's initial public offering, corporate... false false false false false false false false false false false verboselabel false 1 false true false false 105000000 105 false false false 2 false true false false 101000000 101 false false false 3 false true false false 210000000 210 false false false 4 false true false false 201000000 201 false false false xbrli:monetaryItemType monetary Revenue generated by a market center, such as the New York Stock Exchange, for a company's initial public offering, corporate actions (i.e. stock splits and stock dividends) and annual fees for continued listing. No authoritative reference available. false 7 Technology services 2 us-gaap_TechnologyServicesRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 75000000 75 false false false 2 false true false false 49000000 49 false false false 3 false true false false 154000000 154 false false false 4 false true false false 99000000 99 false false false xbrli:monetaryItemType monetary Revenue from providing technology services. The services may include training, installation, engineering or consulting. Consulting services often include implementation support, software design or development, or the customization or modification of the licensed software. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 97-2 -Paragraph 63 false 8 Other 2 nyx_OtherRevenues nyx false credit duration Other revenues include trading license fees and other fees, fees for facilities and other services provided to designated... false false false false false false false false false false false totallabel false 1 false true false false 47000000 47 false false false 2 false true false false 58000000 58 false false false 3 false true false false 93000000 93 false false false 4 false true false false 117000000 117 false false false xbrli:monetaryItemType monetary Other revenues include trading license fees and other fees, fees for facilities and other services provided to designated market markers, brokers and clerks physically located on the floors of our U.S. markets that enable them to engage in the purchase and sale of securities on the trading floor, and fees for clearance and settlement activities in our European markets, as well as regulatory revenues. Regulatory fees are fines levied on member organizations of our U.S. securities exchanges. No authoritative reference available. true 9 Total revenues 2 us-gaap_Revenues us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1247000000 1247 false false false 2 false true false false 1252000000 1252 false false false 3 false true false false 2330000000 2330 false false false 4 false true false false 2394000000 2394 false false false xbrli:monetaryItemType monetary Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 10 Transaction-based expenses: 1 us-gaap_CostOfRevenueAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 11 Section 31 fees 2 nyx_Section31ExpenseFees nyx false debit duration Section 31 fees are fees self-regulatory organizations, such as NYSE and NYSE Arca, are required, under Section 31 of the... false false false false false false false false false false false verboselabel false 1 false true false false 99000000 99 false false false 2 false true false false 126000000 126 false false false 3 false true false false 162000000 162 false false false 4 false true false false 156000000 156 false false false xbrli:monetaryItemType monetary Section 31 fees are fees self-regulatory organizations, such as NYSE and NYSE Arca, are required, under Section 31 of the Securities Exchange Act of 1934, to pay the Securities and Exchange Commission based on the aggregate dollar amount of securities sold on their markets. No authoritative reference available. false 12 Liquidity payments, routing and clearing 2 nyx_LiquidityPaymentsRoutingAndClearing nyx false debit duration Liquidity payments, routing and clearing expenses are payments to market participants to enhance liquidity of market centers... false false false false false false false false false false false totallabel false 1 false true false false 494000000 494 false false false 2 false true false false 514000000 514 false false false 3 false true false false 869000000 869 false false false 4 false true false false 1021000000 1021 false false false xbrli:monetaryItemType monetary Liquidity payments, routing and clearing expenses are payments to market participants to enhance liquidity of market centers and fees incurred by market centers for routing orders to different market centers and costs incurred for clearance costs. No authoritative reference available. true 13 Total revenues, less transaction-based expenses 2 nyx_TotalRevenuesLessTransactionBasedExpenses nyx false credit duration Total revenues less transaction-based expenses. false false false false false false false false false false false totallabel false 1 false true false false 654000000 654 false false false 2 false true false false 612000000 612 false false false 3 false true false false 1299000000 1299 false false false 4 false true false false 1217000000 1217 false false false xbrli:monetaryItemType monetary Total revenues less transaction-based expenses. No authoritative reference available. true 14 Other operating expenses: 1 us-gaap_OperatingCostsAndExpensesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 15 Compensation 2 us-gaap_LaborAndRelatedExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 160000000 160 false false false 2 false true false false 158000000 158 false false false 3 false true false false 332000000 332 false false false 4 false true false false 326000000 326 false false false xbrli:monetaryItemType monetary The aggregate amount of expenditures for salaries, wages, profit sharing and incentive compensation, and other employee benefits, including share-based compensation, and pension and other postretirement benefit expense. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 17 Systems and communications 2 us-gaap_CommunicationsAndInformationTechnology us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 47000000 47 false false false 2 false true false false 56000000 56 false false false 3 false true false false 99000000 99 false false false 4 false true false false 113000000 113 false false false xbrli:monetaryItemType monetary The amount of expense in the period for communications and data processing expense. No authoritative reference available. false 18 Professional services 2 us-gaap_ProfessionalFees us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 66000000 66 false false false 2 false true false false 43000000 43 false false false 3 false true false false 124000000 124 false false false 4 false true false false 98000000 98 false false false xbrli:monetaryItemType monetary A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer. No authoritative reference available. false 19 Selling, general and administrative 2 nyx_SellingGeneralAndAdministrative nyx false debit duration Selling, general and administrative expenses include occupancy costs related to NYSE Euronext lease premises, marketing costs... false false false false false false false false false false false verboselabel false 1 false true false false 68000000 68 false false false 2 false true false false 74000000 74 false false false 3 false true false false 147000000 147 false false false 4 false true false false 148000000 148 false false false xbrli:monetaryItemType monetary Selling, general and administrative expenses include occupancy costs related to NYSE Euronext lease premises, marketing costs include advertising, printing and promotion expenses, insurance premiums, travel and entertainment expenses, co-branding, investor education and advertising expenses with NYSE listed companies as well as general and administrative expenses and regulatory fine income levied by NYSE Regulation. No authoritative reference available. false 20 Merger expenses and exit costs 2 nyx_MergerExpensesAndExitCosts nyx false debit duration Costs related to the acquisition of a company, integration of businesses, severance and other exit activities. false false false false false false false false false false false totallabel false 1 false true false false 32000000 32 false false false 2 false true false false 442000000 442 false false false 3 false true false false 45000000 45 false false false 4 false true false false 465000000 465 false false false xbrli:monetaryItemType monetary Costs related to the acquisition of a company, integration of businesses, severance and other exit activities. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 3 -Article 5 true 22 Operating income (loss) 1 us-gaap_OperatingIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 215000000 215 false false false 2 false true false false -227000000 -227 false false false 3 false true false false 420000000 420 false false false 4 false true false false -67000000 -67 false false false xbrli:monetaryItemType monetary The net result for the period of deducting operating expenses from operating revenues. 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This item does not include realized or unrealized gains or losses on the sale or holding of investments in debt and equity securities required to be included in earnings for the period or for other than temporary losses related to investments in debt and equity securities which are included in realized losses in the period recognized, and does not include investment income from real or personal property, such as rental income. 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Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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