0000001 - Document - Cover Page link:presentationLink link:calculationLink link:definitionLink 0000002 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 0000003 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 0000004 - Statement - Condensed Consolidated Statements of Income (unaudited) link:presentationLink link:calculationLink link:definitionLink 0000005 - Statement - Condensed Consolidated Statements of Comprehensive Income (unaudited) link:presentationLink link:calculationLink link:definitionLink 0000006 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Equity (unaudited) link:presentationLink link:calculationLink link:definitionLink 0000007 - Statement - Condensed Consolidated Statements of Cash Flows (unaudited) link:presentationLink link:calculationLink link:definitionLink 0000008 - Disclosure - Organization and Nature of Operations link:presentationLink link:calculationLink link:definitionLink 0000009 - Disclosure - Basis of Presentation and Principles of Consolidation link:presentationLink link:calculationLink link:definitionLink 0000010 - Disclosure - Revenue From Contracts With Customers link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Acquisitions link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Goodwill and Acquired Intangible Assets link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Deferred Revenue link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Debt Obligations link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Nasdaq Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Clearing Operations link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Commitments, Contingencies and Guarantees link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Restructuring Charges link:presentationLink link:calculationLink link:definitionLink 9954701 - Disclosure - Basis of Presentation and Principles of Consolidation (Policies) link:presentationLink link:calculationLink link:definitionLink 9954702 - Disclosure - Revenue From Contracts With Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9954703 - Disclosure - Goodwill and Acquired Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9954704 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954705 - Disclosure - Deferred Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 9954706 - Disclosure - Debt Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 9954707 - Disclosure - Retirement Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9954708 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9954709 - Disclosure - Nasdaq Stockholders’ Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9954710 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9954711 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954712 - Disclosure - Clearing Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 9954713 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9954714 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9954715 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9954716 - Disclosure - Restructuring Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 9954717 - Disclosure - Organization and Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9954718 - Disclosure - Basis of Presentation and Principles of Consolidation (Details) link:presentationLink link:calculationLink link:definitionLink 9954719 - Disclosure - Revenue From Contracts With Customers (Revenue by Product, Service and Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 9954720 - Disclosure - Revenue From Contracts With Customers (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - Revenue From Contracts With Customers (Remaining Performance Obligation) (Details) link:presentationLink link:calculationLink link:definitionLink 9954721 - Disclosure - Revenue From Contracts With Customers (Remaining Performance Obligation) (Details) link:presentationLink link:calculationLink link:definitionLink 9954722 - Disclosure - Acquisitions (Details) link:presentationLink link:calculationLink link:definitionLink 9954723 - Disclosure - Goodwill and Acquired Intangible Assets (Schedule of Changes in Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 9954724 - Disclosure - Goodwill and Acquired Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954725 - Disclosure - Goodwill and Acquired Intangible Assets (Finite-Lived and Indefinite-Lived Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9954726 - Disclosure - Goodwill and Acquired Intangible Assets (Finite-Lived Intangible Assets Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954727 - Disclosure - Goodwill and Acquired Intangible Assets (Estimated Future Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954728 - Disclosure - Investments (Schedule of Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 9954729 - Disclosure - Investments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954730 - Disclosure - Deferred Revenue (Changes in Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9954731 - Disclosure - Deferred Revenue (Estimated Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9954732 - Disclosure - Debt Obligations (Changes in Debt Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9954733 - Disclosure - Debt Obligations (Commercial Paper Program) (Details) link:presentationLink link:calculationLink link:definitionLink 9954734 - Disclosure - Debt Obligations (Senior Unsecured Notes and Net Investment Hedge) (Details) link:presentationLink link:calculationLink link:definitionLink 9954735 - Disclosure - Debt Obligations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954736 - Disclosure - Debt Obligations (Credit Facilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9954737 - Disclosure - Debt Obligations (Other Credit Facilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9954738 - Disclosure - Retirement Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954739 - Disclosure - Retirement Plans (Cost of Retirement Plans) (Details) link:presentationLink link:calculationLink link:definitionLink 9954740 - Disclosure - Share-Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954741 - Disclosure - Share-Based Compensation (Summary of Share-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9954742 - Disclosure - Share-Based Compensation (Summary of Restricted Stock Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954743 - Disclosure - Share-Based Compensation (Schedule of Weighted- Average Assumptions Used to Determine Weighted-Average Fair Values) (Details) link:presentationLink link:calculationLink link:definitionLink 9954744 - Disclosure - Share-Based Compensation (Summary of PSU Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954745 - Disclosure - Share-Based Compensation (Summary of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954746 - Disclosure - Nasdaq Stockholders' Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954747 - Disclosure - Nasdaq Stockholders' Equity (Common Stock in Treasury) (Details) link:presentationLink link:calculationLink link:definitionLink 9954748 - Disclosure - Nasdaq Stockholders' Equity (Schedule of Dividends Declared) (Details) link:presentationLink link:calculationLink link:definitionLink 9954749 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9954750 - Disclosure - Fair Value of Financial Instruments (Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 9954751 - Disclosure - Fair Value of Financial Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954752 - Disclosure - Clearing Operations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954753 - Disclosure - Clearing Operations (Schedule of Clearing Member Default Fund Contributions And Margin Deposits) (Details) link:presentationLink link:calculationLink link:definitionLink 9954754 - Disclosure - Clearing Operations (Investment Policy) (Details) link:presentationLink link:calculationLink link:definitionLink 9954755 - Disclosure - Clearing Operations (Schedule of Derivative Contracts) (Details) link:presentationLink link:calculationLink link:definitionLink 9954756 - Disclosure - Leases (Summary of Supplemental Balance Sheet Information Related to Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 9954757 - Disclosure - Leases (Leases Cost) (Details) link:presentationLink link:calculationLink link:definitionLink 9954758 - Disclosure - Leases (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954759 - Disclosure - Leases (Operating Lease Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954759 - Disclosure - Leases (Operating Lease Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 9954760 - Disclosure - Leases (Leases Terms and Discount Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 9954761 - Disclosure - Leases (Supplemental Cash Flow Information) (Details) link:presentationLink link:calculationLink link:definitionLink 9954762 - Disclosure - Income Taxes - Provision and Effective Rate (Details) link:presentationLink link:calculationLink link:definitionLink 9954763 - Disclosure - Commitments, Contingencies and Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 9954764 - Disclosure - Business Segments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954765 - Disclosure - Business Segments (Schedule of Operating Segments) (Details) link:presentationLink link:calculationLink link:definitionLink 9954766 - Disclosure - Business Segments (Corporate Items) (Details) link:presentationLink link:calculationLink link:definitionLink 9954767 - Disclosure - Restructuring Charges (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9954768 - Disclosure - Restructuring Charges (Summary of Restructuring Plan) (Details) link:presentationLink link:calculationLink link:definitionLink