10-Q Filing

CME GROUP INC. CIK: 1156375 Q3 2021

Filing Information

Form Type	10-Q
Accession Number	`0001156375-21-000167`
Period End Date	20210930
Filing Date	20211103
Fiscal Year	2021
Fiscal Period	Q3
XBRL Instance	cme-20210930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 73 Income Statement 96 Cash Flow Statement 93 Stockholders Equity 59 Comprehensive Income 76

Balance Sheet 73 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.30M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33B	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.46B	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$100.90M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.80M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$110.30M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.50M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$1.05B	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$961.20M	USD	Point-in-time
Accounts receivable, net of allowance of $5.3 and $5.4	`AccountsReceivableNetCurrent`	$470.40M	USD	Point-in-time
Accounts receivable, net of allowance of $5.3 and $5.4	`AccountsReceivableNetCurrent`	$461.30M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Other current assets (includes $4.8 and $4.7 in restricted cash)	`OtherAssetsCurrent`	$306.70M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Other current assets (includes $4.8 and $4.7 in restricted cash)	`OtherAssetsCurrent`	$362.70M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$2.80M	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$86.78B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$149.19B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$151.59B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$89.28B	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $1,046.0 and $961.2	`PropertyPlantAndEquipmentNet`	$521.30M	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $1,046.0 and $961.2	`PropertyPlantAndEquipmentNet`	$579.20M	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	`FiniteLivedIntangibleAssetsNet`	$3.59B	USD	Point-in-time
Intangible assetsother, net	`FiniteLivedIntangibleAssetsNet`	$4.87B	USD	Point-in-time
Goodwill	`Goodwill`	$10.80B	USD	Point-in-time
Goodwill	`Goodwill`	$10.53B	USD	Point-in-time
Other assets (includes $2.8 and $0.6 in restricted cash)	`OtherAssetsNoncurrent`	$3.36B	USD	Point-in-time
Other assets (includes $2.8 and $0.6 in restricted cash)	`OtherAssetsNoncurrent`	$1.96B	USD	Point-in-time
Total Assets	`Assets`	$124.66B	USD	Point-in-time
Total Assets	`Assets`	$186.77B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$69.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$71.00M	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	-	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	$749.20M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$405.30M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.35B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$86.78B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$149.19B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$88.20B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$150.42B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$2.70B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.44B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.39B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.61B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.06B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$987.00M	USD	Point-in-time
Total Liabilities	`Liabilities`	$98.31B	USD	Point-in-time
Total Liabilities	`Liabilities`	$159.49B	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2021 and December 31, 2020; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at September 30, 2021 and December 31, 2020; none issued	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.19B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.20B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$6.04B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.00B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$37.30M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$134.90M	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$27.01B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.16B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.32B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$27.28B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.84B	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$31.60M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	-	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.79B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.28B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$124.66B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$186.77B	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`Revenues`	$1.11B	USD	1 Quarter
Total Revenues	`Revenues`	$3.79B	USD	3 Qtrs
Total Revenues	`Revenues`	$3.54B	USD	3 Qtrs
Total Revenues	`Revenues`	$1.08B	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$216.40M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$635.30M	USD	3 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$198.60M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$640.90M	USD	3 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$49.30M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$48.10M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$144.90M	USD	3 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$146.80M	USD	3 Qtrs
Professional fees and outside services	`ProfessionalFees`	$45.20M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$119.40M	USD	3 Qtrs
Professional fees and outside services	`ProfessionalFees`	$141.30M	USD	3 Qtrs
Professional fees and outside services	`ProfessionalFees`	$48.40M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$78.30M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$59.00M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$179.00M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$232.20M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$37.20M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$39.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$111.90M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$111.70M	USD	3 Qtrs
Licensing and other fee agreements	`LicensingFees`	$176.50M	USD	3 Qtrs
Licensing and other fee agreements	`LicensingFees`	$57.60M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$57.70M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$187.00M	USD	3 Qtrs
Other	`OtherCostAndExpenseOperating`	$67.10M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$49.30M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$204.70M	USD	3 Qtrs
Other	`OtherCostAndExpenseOperating`	$160.00M	USD	3 Qtrs
Total Expenses	`CostsAndExpenses`	$1.53B	USD	3 Qtrs
Total Expenses	`CostsAndExpenses`	$1.66B	USD	3 Qtrs
Total Expenses	`CostsAndExpenses`	$555.70M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$496.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$2.12B	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$2.01B	USD	3 Qtrs
Operating Income	`OperatingIncomeLoss`	$613.70M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$525.00M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$239.10M	USD	3 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$23.60M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$151.60M	USD	3 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$145.80M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$124.50M	USD	3 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$41.80M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$41.70M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$125.00M	USD	3 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$44.00M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$66.40M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$178.30M	USD	3 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$144.00M	USD	3 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-14.40M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$311.80M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$268.40M	USD	3 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-106.40M	USD	3 Qtrs
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$11.50M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$482.20M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$560.80M	USD	3 Qtrs
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$64.70M	USD	3 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.57B	USD	3 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.19B	USD	3 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$536.50M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.10B	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$562.60M	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$169.60M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$505.50M	USD	3 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$125.00M	USD	1 Quarter
Net Income	`ProfitLoss`	$926.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$2.01B	USD	3 Qtrs
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`	$-200.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$500.00K	USD	3 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.68B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$926.50M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$2.01B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$4.70	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$5.61	USD	3 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.15	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.59	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.15	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.58	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$4.69	USD	3 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$5.60	USD	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.79M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.67M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	358.26M	shares	3 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	358.36M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.59M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.89M	shares	3 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.99M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.49M	shares	3 Qtrs

Cash Flow Statement 93 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$926.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$2.01B	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$69.30M	USD	3 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$56.60M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$78.30M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$59.00M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$179.00M	USD	3 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$232.20M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$37.20M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$39.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$111.90M	USD	3 Qtrs
Depreciation and amortization	`Depreciation`	$111.70M	USD	3 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	-	USD	3 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	$27.40M	USD	3 Qtrs
Net (gain) on derivative contracts	`UnrealizedGainLossOnDerivatives`	-	USD	3 Qtrs
Net (gain) on derivative contracts	`UnrealizedGainLossOnDerivatives`	$1.50M	USD	3 Qtrs
Gain on deconsolidation of optimization businesses	`DeconsolidationGainOrLossAmount`	$343.50M	USD	3 Qtrs
Gain on deconsolidation of optimization businesses	`DeconsolidationGainOrLossAmount`	-	USD	3 Qtrs
Net realized and unrealized (gains) losses on investments	`GainLossOnInvestments`	$112.00M	USD	3 Qtrs
Net realized and unrealized (gains) losses on investments	`GainLossOnInvestments`	$-4.90M	USD	3 Qtrs
Undistributed net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$13.90M	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`	$13.80M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$81.80M	USD	3 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$800.00K	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$37.70M	USD	3 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$41.00M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-41.60M	USD	3 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-45.10M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$37.60M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$3.60M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-27.00M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-88.30M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-39.60M	USD	3 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$20.00M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-26.20M	USD	3 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-26.90M	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-6.60M	USD	3 Qtrs
Other	`OtherNoncashIncomeExpense`	$-3.30M	USD	3 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.73B	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`	$7.40M	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	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$6.20M	USD	3 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$8.70M	USD	3 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$99.90M	USD	3 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$127.50M	USD	3 Qtrs
Net cash proceeds from OSTTRA joint venture transaction	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	-	USD	3 Qtrs
Net cash proceeds from OSTTRA joint venture transaction	`ProceedsFromDivestitureOfBusinessesNetOfCashDivested`	$43.70M	USD	3 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireOtherInvestments`	$5.50M	USD	3 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireOtherInvestments`	$1.50M	USD	3 Qtrs
Purchase of non-controlling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$52.00M	USD	3 Qtrs
Purchase of non-controlling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$99.30M	USD	3 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$8.90M	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-9.20M	USD	3 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-123.40M	USD	3 Qtrs
Repayment of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-304.60M	USD	3 Qtrs
Repayment of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	3 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.86B	USD	3 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.81B	USD	3 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$37.10M	USD	3 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$31.20M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.80M	USD	3 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.70M	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.15B	USD	3 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.90B	USD	3 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-171.50M	USD	3 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-219.30M	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`	$1.34B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.47B	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`	$1.34B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.47B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.33B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.46B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.80M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.50M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$2.80M	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$553.20M	USD	3 Qtrs
Income taxes paid	`IncomeTaxesPaid`	$612.50M	USD	3 Qtrs
Interest paid	`InterestPaid`	$109.40M	USD	3 Qtrs
Interest paid	`InterestPaid`	$109.40M	USD	3 Qtrs

Stockholders Equity 59 line items

Line Item	Tag	Value	Unit	Period
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`	$2.70	USD	3 Qtrs
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`	$0.90	USD	1 Quarter
Balance	`StockholdersEquity`	$27.01B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.32B	USD	Point-in-time
Balance	`StockholdersEquity`	$27.28B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.84B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.79B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.28B	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`	$-200.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$500.00K	USD	3 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-200.00K	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.68B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$926.50M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$2.01B	USD	3 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Net Income	`ProfitLoss`	$926.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$2.01B	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$56.80M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-68.70M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$40.30M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-97.60M	USD	3 Qtrs
Dividends, Cash	`DividendsCash`	$305.10M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$914.50M	USD	3 Qtrs
Dividends, Cash	`DividendsCash`	$323.60M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$969.70M	USD	3 Qtrs
Impact of accounting standards update adoption	`ImpactOfAccountingStandardsUpdateAdoption`	$-300.00K	USD	3 Qtrs
Purchase of noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-39.50M	USD	1 Quarter
Purchase of noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-52.00M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$2.30M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.00M	USD	3 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$2.20M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$5.50M	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`	$37.10M	USD	3 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$31.20M	USD	3 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$17.70M	USD	1 Quarter
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	3 Qtrs
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$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`	$4.40M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$56.60M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$15.60M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$69.30M	USD	3 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$23.80M	USD	1 Quarter
Balance	`StockholdersEquity`	$27.01B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.32B	USD	Point-in-time
Balance	`StockholdersEquity`	$27.28B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.84B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.79B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$27.28B	USD	Point-in-time

Comprehensive Income 76 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$926.30M	USD	1 Quarter
Net Income	`ProfitLoss`	$411.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.68B	USD	3 Qtrs
Net Income	`ProfitLoss`	$2.01B	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`	$-200.00K	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`	$-900.00K	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`	-	USD	3 Qtrs
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`	$-200.00K	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`	$-200.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	-	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-500.00K	USD	3 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$600.00K	USD	3 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	3 Qtrs
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-2.00M	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`	$-3.30M	USD	3 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-1.10M	USD	1 Quarter
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-3.50M	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-200.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-400.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-300.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-800.00K	USD	3 Qtrs
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`	$-2.50M	USD	3 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-900.00K	USD	1 Quarter
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$300.00K	USD	1 Quarter
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$300.00K	USD	1 Quarter
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$2.40M	USD	3 Qtrs
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationBeforeTax`	$900.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$200.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$200.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	$600.00K	USD	3 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax`	-	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-300.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-700.00K	USD	3 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-100.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$-1.80M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-29.00M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$39.80M	USD	3 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$56.00M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-58.60M	USD	3 Qtrs
Reclassification of net currency (gains) losses from foreign entities to other non-operating (income) and expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	-	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other non-operating (income) and expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	$600.00K	USD	3 Qtrs
Reclassification of net currency (gains) losses from foreign entities to other non-operating (income) and expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	$-40.30M	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other non-operating (income) and expense	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	$-40.30M	USD	3 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-69.30M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-98.90M	USD	3 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$56.00M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$40.40M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$56.80M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-68.70M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$40.30M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-97.60M	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$857.60M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.91B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.72B	USD	3 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$468.30M	USD	1 Quarter
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`	$-200.00K	USD	1 Quarter
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$500.00K	USD	3 Qtrs
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$400.00K	USD	3 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$468.50M	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$857.80M	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.91B	USD	3 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.72B	USD	3 Qtrs

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