10-Q Filing

CME GROUP INC. CIK: 1156375 Q3 2020

Filing Information

Form Type	10-Q
Accession Number	`0001156375-20-000119`
Period End Date	20200930
Filing Date	20201104
Fiscal Year	2020
Fiscal Period	Q3
XBRL Instance	cme-20200930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 71 Income Statement 96 Cash Flow Statement 91 Stockholders Equity 62 Comprehensive Income 84

Balance Sheet 71 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33B	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$4.80M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.55B	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$3.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.21B	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$83.20M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$5.10M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.30M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$92.40M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.50M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$931.90M	USD	Point-in-time
Accounts receivable, net of allowance of $4.8 and $3.4	`AccountsReceivableNetCurrent`	$490.90M	USD	Point-in-time
Accounts receivable, net of allowance of $4.8 and $3.4	`AccountsReceivableNetCurrent`	$491.80M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$867.50M	USD	Point-in-time
Other current assets (includes $4.5 and $4.3 in restricted cash)	`OtherAssetsCurrent`	$364.40M	USD	Point-in-time
Other current assets (includes $4.5 and $4.3 in restricted cash)	`OtherAssetsCurrent`	$350.10M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$88.08B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$37.08B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$90.35B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$39.57B	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $931.9 and $867.5	`PropertyPlantAndEquipmentNet`	$547.20M	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $931.9 and $867.5	`PropertyPlantAndEquipmentNet`	$544.00M	USD	Point-in-time
Intangible assetstrading products	`Intangibleassetstradingproducts`	$17.18B	USD	Point-in-time
Intangible assetstrading products	`Intangibleassetstradingproducts`	$17.18B	USD	Point-in-time
Intangible assetsother, net	`OtherIndefiniteLivedIntangibleAssets`	$4.89B	USD	Point-in-time
Intangible assetsother, net	`OtherIndefiniteLivedIntangibleAssets`	$5.12B	USD	Point-in-time
Goodwill	`Goodwill`	$10.74B	USD	Point-in-time
Goodwill	`Goodwill`	$10.76B	USD	Point-in-time
Other assets (includes $0.7 and $0.9 in restricted cash)	`OtherAssetsNoncurrent`	$2.04B	USD	Point-in-time
Other assets (includes $0.7 and $0.9 in restricted cash)	`OtherAssetsNoncurrent`	$2.07B	USD	Point-in-time
Total Assets	`Assets`	$75.22B	USD	Point-in-time
Total Assets	`Assets`	$125.76B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$99.50M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$61.90M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$448.00M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.38B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$37.08B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$88.08B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$88.63B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$38.52B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.44B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.74B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.62B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.64B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.05B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.16B	USD	Point-in-time
Total Liabilities	`Liabilities`	$98.75B	USD	Point-in-time
Total Liabilities	`Liabilities`	$49.06B	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2020 and December 31, 2019; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2020 and December 31, 2019; none issued	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.16B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.01B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.78B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$3.40M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$43.70M	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.48B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$25.97B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.98B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.13B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.81B	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$30.80M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$30.40M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.01B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.84B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$125.76B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$75.22B	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`Revenues`	$1.28B	USD	1 Quarter
Total Revenues	`Revenues`	$1.08B	USD	1 Quarter
Total Revenues	`Revenues`	$3.73B	USD	3 Qtrs
Total Revenues	`Revenues`	$3.79B	USD	3 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$223.50M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$216.40M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$681.10M	USD	3 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$640.90M	USD	3 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$148.40M	USD	3 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$52.70M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$48.10M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$144.90M	USD	3 Qtrs
Professional fees and outside services	`ProfessionalFees`	$43.20M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$48.40M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$141.30M	USD	3 Qtrs
Professional fees and outside services	`ProfessionalFees`	$124.30M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$79.80M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$232.20M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$78.30M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$236.60M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$41.40M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$39.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$111.70M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$120.60M	USD	3 Qtrs
Licensing and other fee agreements	`LicensingFees`	$187.00M	USD	3 Qtrs
Licensing and other fee agreements	`LicensingFees`	$57.70M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$130.90M	USD	3 Qtrs
Licensing and other fee agreements	`LicensingFees`	$45.60M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$204.70M	USD	3 Qtrs
Other	`OtherCostAndExpenseOperating`	$272.90M	USD	3 Qtrs
Other	`OtherCostAndExpenseOperating`	$105.90M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$67.10M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$592.10M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$1.71B	USD	3 Qtrs
Total Expenses	`CostsAndExpenses`	$1.66B	USD	3 Qtrs
Total Expenses	`CostsAndExpenses`	$555.70M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$2.01B	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$525.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$685.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$2.12B	USD	3 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$151.60M	USD	3 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$490.30M	USD	3 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$172.30M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$23.60M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$42.80M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$136.00M	USD	3 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$124.50M	USD	3 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$41.70M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$144.00M	USD	3 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$44.00M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$48.00M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$132.30M	USD	3 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-435.90M	USD	3 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-139.50M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-106.40M	USD	3 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-14.40M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$38.00M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$11.50M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$50.70M	USD	3 Qtrs
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$64.70M	USD	3 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$723.20M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.07B	USD	3 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$536.50M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.19B	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$86.90M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$125.00M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$505.50M	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$418.70M	USD	3 Qtrs
Net Income	`ProfitLoss`	$636.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$1.65B	USD	3 Qtrs
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	3 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$636.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.68B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.65B	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.78	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.61	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.70	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.78	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.69	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.60	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.67M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.05M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.79M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.21M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.20M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.37M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.49M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.59M	shares	1 Quarter

Cash Flow Statement 91 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$636.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$1.65B	USD	3 Qtrs
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$69.30M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$70.80M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$79.80M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$232.20M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$78.30M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$236.60M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$41.40M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$39.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$111.70M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$120.60M	USD	3 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	$27.40M	USD	3 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	$61.10M	USD	3 Qtrs
Net (gain) loss on derivative contracts	`UnrealizedGainLossOnDerivatives`	$1.50M	USD	3 Qtrs
Net (gain) loss on derivative contracts	`UnrealizedGainLossOnDerivatives`	$-17.90M	USD	3 Qtrs
Net realized and unrealized losses on investments	`GainLossOnInvestments`	$-20.40M	USD	3 Qtrs
Net realized and unrealized losses on investments	`GainLossOnInvestments`	$-4.90M	USD	3 Qtrs
Undistributed net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$41.10M	USD	3 Qtrs
Undistributed net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$9.70M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-18.60M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-23.70M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-7.40M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$800.00K	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$106.50M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$37.70M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-45.10M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$10.50M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$37.60M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-54.40M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-27.00M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-94.50M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-39.60M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$91.90M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-26.20M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$1.00M	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-6.60M	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-9.30M	USD	3 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.95B	USD	3 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.06B	USD	3 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$13.00M	USD	3 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$9.40M	USD	3 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$8.70M	USD	3 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$9.80M	USD	3 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$179.20M	USD	3 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$127.50M	USD	3 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireInvestments`	$5.50M	USD	3 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireInvestments`	-	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$39.30M	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$8.90M	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-136.70M	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-123.40M	USD	3 Qtrs
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$-304.60M	USD	3 Qtrs
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$38.90M	USD	3 Qtrs
Repayment of debt	`RepaymentsOfLongTermDebt`	$569.20M	USD	3 Qtrs
Repayment of debt	`RepaymentsOfLongTermDebt`	-	USD	3 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.81B	USD	3 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.43B	USD	3 Qtrs
Settlement of derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$-16.00M	USD	3 Qtrs
Settlement of derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	-	USD	3 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$37.10M	USD	3 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$36.80M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$1.40M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.80M	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.15B	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.98B	USD	3 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-219.30M	USD	3 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-161.10M	USD	3 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.56B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.38B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.34B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.22B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.56B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.38B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.34B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.22B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.55B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.21B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$5.10M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.30M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.50M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$553.20M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaid`	$550.60M	USD	3 Qtrs
Interest paid	`InterestPaid`	$122.40M	USD	3 Qtrs
Interest paid	`InterestPaid`	$109.40M	USD	3 Qtrs

Stockholders Equity 62 line items

Line Item	Tag	Value	Unit	Period
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.85	USD	1 Quarter
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$2.55	USD	3 Qtrs
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$2.25	USD	3 Qtrs
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.75	USD	1 Quarter
Balance	`StockholdersEquity`	$26.48B	USD	Point-in-time
Balance	`StockholdersEquity`	$25.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.13B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.81B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.01B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.84B	USD	Point-in-time
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$400.00K	USD	3 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$636.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.68B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.65B	USD	3 Qtrs
Net Income	`ProfitLoss`	$636.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$1.65B	USD	3 Qtrs
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$40.30M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$56.80M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-37.50M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-37.80M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$805.00M	USD	3 Qtrs
Dividends, Cash	`DividendsCash`	$914.50M	USD	3 Qtrs
Dividends, Cash	`DividendsCash`	$305.10M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$268.90M	USD	1 Quarter
Impact of accounting standards update adoption	`ImpactOfAccountingStandardsUpdateAdoption`	$6.90M	USD	3 Qtrs
Impact of accounting standards update adoption	`ImpactOfAccountingStandardsUpdateAdoption`	$-300.00K	USD	3 Qtrs
Changes in non-controlling interest due to measurement period adjustments	`MinorityInterestPeriodIncreaseDecrease`	$16.50M	USD	3 Qtrs
Changes in non-controlling interest due to measurement period adjustments	`MinorityInterestPeriodIncreaseDecrease`	$-400.00K	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$2.20M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.70M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.00M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$13.70M	USD	3 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$37.10M	USD	3 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$36.80M	USD	3 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$17.70M	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$22.70M	USD	1 Quarter
Stock Issued During Period, Value, Other	`StockIssuedDuringPeriodValueOther`	$3.10M	USD	3 Qtrs
Stock Issued During Period, Value, Other	`StockIssuedDuringPeriodValueOther`	-	USD	1 Quarter
Stock Issued During Period, Value, Other	`StockIssuedDuringPeriodValueOther`	$2.90M	USD	3 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.90M	USD	3 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	-	USD	1 Quarter
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.50M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$69.30M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$14.40M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$70.80M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$23.80M	USD	1 Quarter
Balance	`StockholdersEquity`	$26.48B	USD	Point-in-time
Balance	`StockholdersEquity`	$25.97B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.98B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.13B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.81B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.01B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.84B	USD	Point-in-time

Comprehensive Income 84 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$636.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$1.65B	USD	3 Qtrs
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.50M	USD	3 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$800.00K	USD	3 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-200.00K	USD	1 Quarter
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	1 Quarter
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	3 Qtrs
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-200.00K	USD	3 Qtrs
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-100.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	-	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$200.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	-	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$400.00K	USD	3 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$600.00K	USD	3 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$900.00K	USD	3 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-300.00K	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-2.70M	USD	3 Qtrs
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-2.00M	USD	3 Qtrs
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	-	USD	1 Quarter
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$3.70M	USD	3 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$1.20M	USD	1 Quarter
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$3.50M	USD	3 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$1.30M	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$400.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$300.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$400.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$300.00K	USD	1 Quarter
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.10M	USD	3 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$900.00K	USD	1 Quarter
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$700.00K	USD	3 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$900.00K	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$500.00K	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$300.00K	USD	3 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	3 Qtrs
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$2.40M	USD	3 Qtrs
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$300.00K	USD	1 Quarter
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$900.00K	USD	3 Qtrs
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$300.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-200.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-600.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	-	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$100.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-100.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-1.80M	USD	3 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-600.00K	USD	3 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$100.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-38.50M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-35.50M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$39.80M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$56.00M	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	$600.00K	USD	3 Qtrs
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax`	-	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$-3.00M	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	3 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-38.50M	USD	3 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-38.50M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$56.00M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$40.40M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$40.30M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$56.80M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-37.50M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-37.80M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$468.30M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$598.50M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.72B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.61B	USD	3 Qtrs
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-200.00K	USD	1 Quarter
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$400.00K	USD	3 Qtrs
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-200.00K	USD	3 Qtrs
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.72B	USD	3 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$598.50M	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$468.50M	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.61B	USD	3 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.