2.0.0.10 false Condensed Consolidated Statements of Operations (Unaudited) (USD $) 0120 - Statement - Condensed Consolidated Statements of Operations (Unaudited) true false In Millions, except Per Share data false false 1 usd $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 false 2 usd $ false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 3 Revenues 1 us-gaap_RevenuesAbstract us-gaap true na duration string 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 No definition available. false 4 Transaction and clearing fees 2 nyx_TransactionAndClearingFees nyx false credit duration monetary Transaction and clearing fees consist of fees collected from cash trading, derivative trading and clearing fees. Cash trading... false false false false false false false false false false false verboselabel false 1 true true false false 762000000 762 false false false 2 true true false false 830000000 830 false false false 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 monetary 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 91000000 91 false false false 2 false true false false 103000000 103 false false false 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 monetary 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 100000000 100 false false false 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 monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 79000000 79 false false false 2 false true false false 50000000 50 false false false 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 monetary 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 46000000 46 false false false 2 false true false false 59000000 59 false false false 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 monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1083000000 1083 false false false 2 false true false false 1142000000 1142 false false false 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 string 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 No definition available. false 11 Section 31 fees 2 nyx_Section31ExpenseFees nyx false debit duration monetary 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 63000000 63 false false false 2 false true false false 30000000 30 false false false 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 monetary 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 375000000 375 false false false 2 false true false false 507000000 507 false false false 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 monetary Total revenues less transaction-based expenses. false false false false false false false false false false false verboselabel false 1 false true false false 645000000 645 false false false 2 false true false false 605000000 605 false false false Total revenues less transaction-based expenses. No authoritative reference available. false 14 Other operating expenses: 1 us-gaap_OperatingCostsAndExpensesAbstract us-gaap true na duration string 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 No definition available. false 15 Compensation 2 us-gaap_LaborAndRelatedExpense us-gaap true debit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 172000000 172 false false false 2 false true false false 168000000 168 false false false 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. No authoritative reference available. false 16 Depreciation and amortization 2 us-gaap_DepreciationAndAmortization us-gaap true debit duration monetary 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 68000000 68 false false false The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. 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 monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 52000000 52 false false false 2 false true false false 57000000 57 false false false 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 monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 58000000 58 false false false 2 false true false false 55000000 55 false false false 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 monetary 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 79000000 79 false false false 2 false true false false 74000000 74 false false false 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 monetary 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 13000000 13 false false false 2 false true false false 23000000 23 false false false Costs related to the acquisition of a company, integration of businesses, severance and other exit activities. No authoritative reference available. true 21 Total other operating expenses 2 us-gaap_OtherCostAndExpenseOperating us-gaap true debit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false 440000000 440 false false false 2 false true false false 445000000 445 false false false The total amount of other operating cost and expense items that are associated with the entity's normal revenue producing operation. 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 1 us-gaap_OperatingIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 205000000 205 false false false 2 false true false false 160000000 160 false false false The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. false 23 Net interest and investment income (loss) 1 us-gaap_InvestmentIncomeNet us-gaap true credit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false -27000000 -27 false false false 2 false true false false -26000000 -26 false false false This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 13, 14, 15, 16 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14, 16 false 24 Other income (loss) 1 us-gaap_OtherNonoperatingIncome us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 false true false false -5000000 -5 false false false 2 false true false false 4000000 4 false false false The aggregate amount of other income amounts resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) profits on securities (net of losses), and (d) miscellaneous other income items. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 80 -Subparagraph Exhibit 4-4 -IssueDate 2006-05-01 true 25 Income before income taxes 1 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 173000000 173 false false false 2 false true false false 138000000 138 false false false Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 false 26 Income tax provision 1 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negatedtotal false 1 false true false false -48000000 -48 false false false 2 false true false false -32000000 -32 false false false The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b true 27 Net income 1 us-gaap_ProfitLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 125000000 125 false false false 2 false true false false 106000000 106 false false false The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 5 -Subparagraph b Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) false 28 Net loss (income) attributable to noncontrolling interest 1 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest us-gaap true debit duration monetary No definition available. false false false false false false false false false false true negatedtotal false 1 false true false false 5000000 5 false false false 2 false true false false -2000000 -2 false false false The portion of net income (loss) attributable to the noncontrolling interest (if any) deducted in order to derive the portion attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph c(1) Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A1, A4, A5 true 29 Net income attributable to NYSE Euronext 1 us-gaap_NetIncomeLoss us-gaap true credit duration monetary No definition available. false false false false false false false false false false false totallabel false 1 true true false false 130000000 130 false false false 2 true true false false 104000000 104 false false false The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 30 Basic earnings per share attributable to NYSE Euronext 1 us-gaap_EarningsPerShareBasic us-gaap true na duration decimal No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 0.5 0.5 false false false 2 true true false false 0.4 0.4 false false false The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 false 31 Diluted earnings per share attributable to NYSE Euronext 1 us-gaap_EarningsPerShareDiluted us-gaap true na duration decimal No definition available. false false false false false false false false false false false verboselabel true 1 true true false false 0.5 0.5 false false false 2 true true false false 0.4 0.4 false false false The amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 11, 12, 36 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 false false 2 29 false Millions UnKnown Hundreds false true