0001001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 1001002 - Statement - Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 1002003 - Statement - Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1003004 - Statement - Consolidated Statements Of Income link:presentationLink link:calculationLink link:definitionLink 1004005 - Statement - Consolidated Statements of Comprehensive Income link:presentationLink link:calculationLink link:definitionLink 1005006 - Statement - Consolidated Statements Of Shareholders' Equity link:presentationLink link:calculationLink link:definitionLink 1006007 - Statement - Consolidated Statements Of Shareholders' Equity (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 1007008 - Statement - Consolidated Statements Of Cash Flows link:presentationLink link:calculationLink link:definitionLink 2101101 - Disclosure - Basis Of Presentation link:presentationLink link:calculationLink link:definitionLink 2102102 - Disclosure - Accounting Policies (Notes) link:presentationLink link:calculationLink link:definitionLink 2403401 - Disclosure - Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 2104103 - Disclosure - Revenue Recognition (Notes) link:presentationLink link:calculationLink link:definitionLink 2305301 - Disclosure - Revenue Recognition (Tables) link:presentationLink link:calculationLink link:definitionLink 2406402 - Disclosure - Revenue Recognition (Details) link:presentationLink link:calculationLink link:definitionLink 2407403 - Disclosure - Revenue Recognition Disaggregation of Revenue (Details) link:presentationLink link:calculationLink link:definitionLink 2108104 - Disclosure - Performance Bonds and Guaranty Fund Contributions (Notes) link:presentationLink link:calculationLink link:definitionLink 2309302 - Disclosure - Performance Bonds and Guaranty Fund Contributions (Tables) link:presentationLink link:calculationLink link:definitionLink 2410404 - Disclosure - Performance Bonds and Guaranty Fund Contributions (Details) link:presentationLink link:calculationLink link:definitionLink 2111105 - Disclosure - Intangible Assets And Goodwill link:presentationLink link:calculationLink link:definitionLink 2312303 - Disclosure - Intangible Assets And Goodwill (Tables) link:presentationLink link:calculationLink link:definitionLink 2413405 - Disclosure - Intangible Assets And Goodwill (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2414406 - Disclosure - Intangible Assets And Goodwill (Components Of Intangible Assets) (Details) link:presentationLink link:calculationLink link:definitionLink 2415407 - Disclosure - Intangible Assets And Goodwill (Future Estimated Amortization Expense) (Details) link:presentationLink link:calculationLink link:definitionLink 2116106 - Disclosure - Debt link:presentationLink link:calculationLink link:definitionLink 2317304 - Disclosure - Debt (Tables) link:presentationLink link:calculationLink link:definitionLink 2418408 - 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Disclosure - Leases Supplemental Cash Flow Information-Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2428415 - Disclosure - Leases Supplemental Balance Sheet Information-Leases (Details) link:presentationLink link:calculationLink link:definitionLink 2429416 - Disclosure - Leases Operating Leases Future Minimum Payments (Details) link:presentationLink link:calculationLink link:definitionLink 2430417 - Disclosure - Leases Capital Leases, Future Minimum Payments Due (Details) link:presentationLink link:calculationLink link:definitionLink 2131109 - Disclosure - Guarantees link:presentationLink link:calculationLink link:definitionLink 2432418 - Disclosure - Guarantees (Details) link:presentationLink link:calculationLink link:definitionLink 2133110 - Disclosure - Accumulated Other Comprehensive Income (Notes) link:presentationLink link:calculationLink link:definitionLink 2334306 - Disclosure - Accumulated Other Comprehensive Income (Tables) link:presentationLink link:calculationLink link:definitionLink 2435419 - Disclosure - Accumulated Other Comprehensive Income (Details) link:presentationLink link:calculationLink link:definitionLink 2136111 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 2337307 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 2438420 - Disclosure - Fair Value Measurements (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2439421 - Disclosure - Fair Value Measurements (Financial Instruments Measured At Fair Value On A Recurring Basis) (Details) link:presentationLink link:calculationLink link:definitionLink 2440422 - Disclosure - Fair Value Measurements (Estimated Fair Values of Long-Term Debt) (Details) link:presentationLink link:calculationLink link:definitionLink 2141112 - Disclosure - Earnings Per Share link:presentationLink link:calculationLink link:definitionLink 2342308 - Disclosure - Earnings Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 2443423 - Disclosure - Earnings Per Share (Narrative) (Details) link:presentationLink link:calculationLink link:definitionLink 2444424 - Disclosure - Earnings Per Share (Net Income Attributable To CME Group) (Details) link:presentationLink link:calculationLink link:definitionLink 2145113 - Disclosure - Subsequent Events (Notes) link:presentationLink link:calculationLink link:definitionLink 2346309 - Disclosure - Subsequent Events (Tables) link:presentationLink link:calculationLink link:definitionLink 2447425 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink