0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - Condensed Consolidated Statements of Income link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - Condensed Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - Condensed Consolidated Statements of Changes in Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 9952156 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Organization and Nature of Operations link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Basis of Presentation and Principles of Consolidation link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Revenue from Contracts with Customers link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - ACQUISITIONS AND DIVESTITURES link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Goodwill and Acquired Intangible Assets link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Investments link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Deferred Revenue link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Debt Obligations link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Retirement Plans link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Nasdaq Stockholders’ Equity link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Clearing Operations link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 9952173 - Disclosure - Commitments, Contingencies and Guarantees link:presentationLink link:calculationLink link:definitionLink 9952174 - Disclosure - Business Segments link:presentationLink link:calculationLink link:definitionLink 9952175 - Disclosure - Restructuring Charges link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Basis of Presentation and Principles of Consolidation (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Revenue from Contracts with Customers (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Goodwill and Acquired Intangible Assets (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Investments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Deferred Revenue (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Debt Obligations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Retirement Plans (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Nasdaq Stockholders’ Equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Fair Value of Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Clearing Operations (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Business Segments (Tables) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Restructuring Charges (Tables) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Organization and Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Revenue from Contracts with Customers (Revenue by Product, Service and Segment) (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Revenue from Contracts with Customers (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue from Contracts with Customers (Remaining Performance Obligation) (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Revenue from Contracts with Customers (Remaining Performance Obligation) (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - ACQUISITIONS AND DIVESTITURES (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Goodwill and Acquired Intangible Assets (Schedule of Changes in Goodwill) (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Goodwill and Acquired Intangible Assets (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Goodwill and Acquired Intangible Assets (Finite-Lived Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Goodwill and Acquired Intangible Assets (Finite-Lived Intangible Assets Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Goodwill and Acquired Intangible Assets (Estimated Future Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Investments (Schedule of Investments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Investments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Deferred Revenue (Changes in Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Deferred Revenue (Estimated Deferred Revenue) (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Debt Obligations (Changes in Debt Obligations) (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Debt Obligations (Senior Unsecured Notes and Net Investment Hedge) (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Debt Obligations (Credit Facilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Debt Obligations (Other Credit Facilities) (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Retirement Plans (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Retirement Plans (Cost of Retirement Plans) (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Share-Based Compensation (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955548 - Disclosure - Share-Based Compensation (Schedule of Share-Based Compensation Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 9955549 - Disclosure - Share-Based Compensation (Schedule of Restricted Stock Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955550 - Disclosure - Share-Based Compensation (Schedule of PSU Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955551 - Disclosure - Share-Based Compensation (Schedule of Stock Option Activity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955552 - Disclosure - Share-Based Compensation (Schedule of Weighted- Average Assumptions Used to Determine Weighted-Average Fair Values) (Details) link:presentationLink link:calculationLink link:definitionLink 9955553 - Disclosure - Nasdaq Stockholders' Equity (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955554 - Disclosure - Nasdaq Stockholders' Equity (Common Stock in Treasury) (Details) link:presentationLink link:calculationLink link:definitionLink 9955555 - Disclosure - Nasdaq Stockholders' Equity (Schedule of Dividends Declared) (Details) link:presentationLink link:calculationLink link:definitionLink 9955556 - Disclosure - Earnings Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955557 - 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 9955558 - Disclosure - Fair Value of Financial Instruments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955559 - Disclosure - Clearing Operations (Schedule of Clearing Member Default Fund Contributions And Margin Deposits) (Details) link:presentationLink link:calculationLink link:definitionLink 9955560 - Disclosure - Clearing Operations (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955561 - Disclosure - Clearing Operations (Investment Policy) (Details) link:presentationLink link:calculationLink link:definitionLink 9955562 - Disclosure - Clearing Operations (Schedule of Derivative Contracts) (Details) link:presentationLink link:calculationLink link:definitionLink 9955563 - Disclosure - Leases (Schedule of Supplemental Balance Sheet Information Related to Operating Leases) (Details) link:presentationLink link:calculationLink link:definitionLink 9955564 - Disclosure - Leases (Leases Cost) (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Leases (Operating Lease Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955565 - Disclosure - Leases (Operating Lease Maturity) (Details) link:presentationLink link:calculationLink link:definitionLink 9955566 - Disclosure - Leases (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955567 - Disclosure - Leases (Leases Terms and Discount Rate) (Details) link:presentationLink link:calculationLink link:definitionLink 9955568 - Disclosure - Leases (Supplemental Cash Flow Information) (Details) link:presentationLink link:calculationLink link:definitionLink 9955569 - Disclosure - Income Taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955570 - Disclosure - Commitments, Contingencies and Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 9955571 - Disclosure - Business Segments (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955572 - Disclosure - Business Segments (Schedule of Operating Segments) (Details) link:presentationLink link:calculationLink link:definitionLink 9955573 - Disclosure - Business Segments (Corporate Items) (Details) link:presentationLink link:calculationLink link:definitionLink 9955574 - Disclosure - Business Segments (Geographic Data) (Details) link:presentationLink link:calculationLink link:definitionLink 9955575 - Disclosure - Restructuring Charges (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 9955576 - Disclosure - Restructuring Charges (Schedule of Restructuring Plan) (Details) link:presentationLink link:calculationLink link:definitionLink