10-Q Filing

CME GROUP INC. CIK: 1156375 Q2 2019

Filing Information

Form Type	10-Q
Accession Number	`0001156375-19-000087`
Period End Date	20190630
Filing Date	20190807
Fiscal Year	2019
Fiscal Period	Q2
XBRL Instance	cme-201963010q_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 70 Income Statement 96 Cash Flow Statement 93 Stockholders Equity 63 Comprehensive Income 80

Balance Sheet 70 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.80M	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$2.70M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$937.70M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.10B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.37B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.64B	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$72.90M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$81.80M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.10M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.50M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$761.10M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$843.60M	USD	Point-in-time
Accounts receivable, net of allowance of $2.8 and $2.7	`AccountsReceivableNetCurrent`	$553.30M	USD	Point-in-time
Accounts receivable, net of allowance of $2.8 and $2.7	`AccountsReceivableNetCurrent`	$593.70M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.40M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.10M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.20M	USD	Point-in-time
Other current assets (includes $4.1 and $1.5 in restricted cash)	`OtherAssetsCurrent`	$359.70M	USD	Point-in-time
Other current assets (includes $4.1 and $1.5 in restricted cash)	`OtherAssetsCurrent`	$430.50M	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$32.49B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$39.46B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$34.46B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$41.89B	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $843.6 and $761.1	`PropertyPlantAndEquipmentNet`	$500.40M	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $843.6 and $761.1	`PropertyPlantAndEquipmentNet`	$448.70M	USD	Point-in-time
Intangible assetstrading products	`OtherIndefiniteLivedIntangibleAssets`	$17.18B	USD	Point-in-time
Intangible assetstrading products	`OtherIndefiniteLivedIntangibleAssets`	$17.18B	USD	Point-in-time
Intangible assetsother, net	`IntangibleAssetsNetExcludingGoodwill`	$5.31B	USD	Point-in-time
Intangible assetsother, net	`IntangibleAssetsNetExcludingGoodwill`	$5.50B	USD	Point-in-time
Goodwill	`Goodwill`	$10.81B	USD	Point-in-time
Goodwill	`Goodwill`	$10.80B	USD	Point-in-time
Other assets (includes $1.1 and $1.2 in restricted cash)	`OtherAssetsNoncurrent`	$1.66B	USD	Point-in-time
Other assets (includes $1.1 and $1.2 in restricted cash)	`OtherAssetsNoncurrent`	$2.11B	USD	Point-in-time
Total Assets	`Assets`	$70.35B	USD	Point-in-time
Total Assets	`Assets`	$77.48B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$116.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$51.60M	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	$574.20M	USD	Point-in-time
Short-term Debt	`ShortTermBorrowings`	-	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$393.60M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.13B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$39.46B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$32.49B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$32.93B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$41.27B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$4.07B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.83B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredTaxLiabilitiesNoncurrent`	$5.65B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredTaxLiabilitiesNoncurrent`	$5.67B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$745.10M	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.21B	USD	Point-in-time
Total Liabilities	`Liabilities`	$43.86B	USD	Point-in-time
Total Liabilities	`Liabilities`	$51.51B	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at June 30, 2019 and December 31, 2018; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at June 30, 2019 and December 31, 2018; none issued	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.05B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.34B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$4.86B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$5.30M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$5.60M	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$23.12B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.46B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$25.92B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$22.77B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$22.41B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$77.48B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$70.35B	USD	Point-in-time
Stockholders' Equity Attributable to Noncontrolling Interest	`MinorityInterest`	$29.70M	USD	Point-in-time
Stockholders' Equity Attributable to Noncontrolling Interest	`MinorityInterest`	$46.80M	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`Revenues`	$1.27B	USD	1 Quarter
Total Revenues	`Revenues`	$2.17B	USD	2 Qtrs
Total Revenues	`Revenues`	$1.06B	USD	1 Quarter
Total Revenues	`Revenues`	$2.45B	USD	2 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$303.50M	USD	2 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$457.60M	USD	2 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$227.30M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$150.80M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$48.60M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$95.70M	USD	2 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$50.70M	USD	2 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$25.20M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$74.50M	USD	2 Qtrs
Professional fees and outside services	`ProfessionalFees`	$41.70M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$31.90M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$81.10M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$23.60M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$47.30M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$76.10M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$156.80M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$27.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$46.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$55.60M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$79.20M	USD	2 Qtrs
Licensing and other fee agreements	`LicensingFees`	$39.90M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$89.40M	USD	2 Qtrs
Licensing and other fee agreements	`LicensingFees`	$44.80M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$85.30M	USD	2 Qtrs
Other	`OtherCostAndExpenseOperating`	$93.80M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$89.30M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$167.00M	USD	2 Qtrs
Other	`OtherCostAndExpenseOperating`	$139.80M	USD	2 Qtrs
Total Expenses	`CostsAndExpenses`	$760.80M	USD	2 Qtrs
Total Expenses	`CostsAndExpenses`	$1.12B	USD	2 Qtrs
Total Expenses	`CostsAndExpenses`	$574.10M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$392.70M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$666.90M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.33B	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$1.41B	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$698.60M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$139.30M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$398.30M	USD	2 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$318.00M	USD	2 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$241.90M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$33.10M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$63.20M	USD	2 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$45.10M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$93.20M	USD	2 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$84.30M	USD	2 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$43.80M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$76.50M	USD	2 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$36.40M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-296.40M	USD	2 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-155.30M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-273.90M	USD	2 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-134.50M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$3.50M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$89.90M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$137.70M	USD	2 Qtrs
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$12.70M	USD	2 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$702.10M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.34B	USD	2 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.55B	USD	2 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$756.80M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$190.70M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$331.80M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$380.60M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$187.50M	USD	1 Quarter
Net Income	`ProfitLoss`	$514.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.16B	USD	2 Qtrs
Net Income	`ProfitLoss`	$566.10M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.01B	USD	2 Qtrs
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-800.00K	USD	1 Quarter
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$200.00K	USD	2 Qtrs
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$1.01B	USD	2 Qtrs
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$566.10M	USD	1 Quarter
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$513.80M	USD	1 Quarter
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$1.16B	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.67	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.44	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.43	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$2.83	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.43	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.42	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.82	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.66	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	339.39M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.06M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	339.46M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	356.97M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	340.84M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.15M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	340.87M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.10M	shares	2 Qtrs

Cash Flow Statement 93 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$514.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.16B	USD	2 Qtrs
Net Income	`ProfitLoss`	$566.10M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.01B	USD	2 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$33.90M	USD	2 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$56.40M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$23.60M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$47.30M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$76.10M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$156.80M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$27.50M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$46.30M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$55.60M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$79.20M	USD	2 Qtrs
Unrealized loss on assets held for sale	`OtherAssetImpairmentCharges`	-	USD	2 Qtrs
Unrealized loss on assets held for sale	`OtherAssetImpairmentCharges`	$21.60M	USD	2 Qtrs
Net loss on derivatives	`UnrealizedGainLossOnDerivatives`	$-16.70M	USD	2 Qtrs
Net loss on derivatives	`UnrealizedGainLossOnDerivatives`	$-36.90M	USD	2 Qtrs
Net realized and unrealized (gains) losses on privately-held equity investments	`GainLossOnInvestments`	$88.20M	USD	2 Qtrs
Net realized and unrealized (gains) losses on privately-held equity investments	`GainLossOnInvestments`	$-27.20M	USD	2 Qtrs
Undistributed net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$4.70M	USD	2 Qtrs
Undistributed net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$31.20M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$5.00M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-13.10M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$75.00M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$40.40M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-36.50M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-126.10M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$800.00K	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$13.40M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-3.50M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-64.30M	USD	2 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-28.60M	USD	2 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$171.00M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-26.40M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-177.70M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-5.90M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$8.50M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-8.60M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-1.20M	USD	2 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.14B	USD	2 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.35B	USD	2 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$3.40M	USD	2 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$11.60M	USD	2 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$1.90M	USD	2 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$8.30M	USD	2 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$121.60M	USD	2 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$29.60M	USD	2 Qtrs
Proceeds from sales of privately-held equity investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$28.40M	USD	2 Qtrs
Proceeds from sales of privately-held equity investments	`ProceedsFromSaleAndMaturityOfOtherInvestments`	$20.40M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-89.90M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-7.70M	USD	2 Qtrs
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$239.50M	USD	2 Qtrs
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	2 Qtrs
Proceeds from debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	2 Qtrs
Proceeds from debt, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$1.19B	USD	2 Qtrs
Repayments of debt	`RepaymentsOfLongTermDebt`	$569.20M	USD	2 Qtrs
Repayments of debt	`RepaymentsOfLongTermDebt`	-	USD	2 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.66B	USD	2 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.16B	USD	2 Qtrs
Premium payment for derivative contract	`PaymentsForDerivativeInstrumentFinancingActivities`	$30.00M	USD	2 Qtrs
Premium payment for derivative contract	`PaymentsForDerivativeInstrumentFinancingActivities`	-	USD	2 Qtrs
Settlement of derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$-16.00M	USD	2 Qtrs
Settlement of derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	-	USD	2 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$14.10M	USD	2 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$14.90M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$9.90M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$400.00K	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.49B	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-510.30M	USD	2 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$829.80M	USD	2 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-434.30M	USD	2 Qtrs
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$942.90M	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`	$1.91B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.74B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$942.90M	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`	$1.91B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$2.74B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$937.70M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.10B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.37B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.64B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.10M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.50M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.40M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.10M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.20M	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$373.90M	USD	2 Qtrs
Income taxes paid	`IncomeTaxesPaid`	$272.80M	USD	2 Qtrs
Interest paid	`InterestPaid`	$42.40M	USD	2 Qtrs
Interest paid	`InterestPaid`	$80.10M	USD	2 Qtrs

Stockholders Equity 63 line items

Line Item	Tag	Value	Unit	Period
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.75	USD	1 Quarter
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.40	USD	2 Qtrs
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.70	USD	1 Quarter
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.50	USD	2 Qtrs
Balance	`StockholdersEquity`	$23.12B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.46B	USD	Point-in-time
Balance	`StockholdersEquity`	$25.92B	USD	Point-in-time
Balance	`StockholdersEquity`	$22.77B	USD	Point-in-time
Balance	`StockholdersEquity`	$22.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.19B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.97B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.48B	USD	Point-in-time
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$1.01B	USD	2 Qtrs
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$566.10M	USD	1 Quarter
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$513.80M	USD	1 Quarter
Net Income (Loss) Attributable to CME Group	`NetIncomeLoss`	$1.16B	USD	2 Qtrs
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-800.00K	USD	1 Quarter
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$200.00K	USD	2 Qtrs
Net (Income) Loss Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Net Income	`ProfitLoss`	$514.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.16B	USD	2 Qtrs
Net Income	`ProfitLoss`	$566.10M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.01B	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.30M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$300.00K	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.80M	USD	1 Quarter
Dividends on common stock	`DividendsCash`	$268.10M	USD	1 Quarter
Dividends on common stock	`DividendsCash`	$476.30M	USD	2 Qtrs
Dividends on common stock	`DividendsCash`	$238.20M	USD	1 Quarter
Dividends on common stock	`DividendsCash`	$536.10M	USD	2 Qtrs
Impact of adoption of standards update	`NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification`	$-6.90M	USD	2 Qtrs
Impact of adoption of standards update	`NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification`	$8.70M	USD	2 Qtrs
Changes in non-controlling interest due to measurement period adjustments	`MinorityInterestPeriodIncreaseDecrease`	$-16.90M	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$4.00M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$8.20M	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$7.00M	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$3.70M	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$14.90M	USD	2 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$200.00K	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$300.00K	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$14.10M	USD	2 Qtrs
Stock Issued To Related Parties During Period Value	`StockIssuedToRelatedPartiesDuringPeriodValue`	$2.40M	USD	1 Quarter
Stock Issued To Related Parties During Period Value	`StockIssuedToRelatedPartiesDuringPeriodValue`	$3.10M	USD	1 Quarter
Stock Issued To Related Parties During Period Value	`StockIssuedToRelatedPartiesDuringPeriodValue`	$2.40M	USD	2 Qtrs
Stock Issued To Related Parties During Period Value	`StockIssuedToRelatedPartiesDuringPeriodValue`	$3.10M	USD	2 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.50M	USD	2 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.80M	USD	2 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.50M	USD	1 Quarter
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$1.80M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$56.40M	USD	2 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$38.10M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$16.20M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$33.90M	USD	2 Qtrs
Balance	`StockholdersEquity`	$23.12B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.46B	USD	Point-in-time
Balance	`StockholdersEquity`	$25.92B	USD	Point-in-time
Balance	`StockholdersEquity`	$22.77B	USD	Point-in-time
Balance	`StockholdersEquity`	$22.41B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.19B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.97B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.48B	USD	Point-in-time

Comprehensive Income 80 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$514.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.16B	USD	2 Qtrs
Net Income	`ProfitLoss`	$566.10M	USD	1 Quarter
Net Income	`ProfitLoss`	$1.01B	USD	2 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-900.00K	USD	2 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.70M	USD	2 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$900.00K	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	$-100.00K	USD	1 Quarter
Reclassification of net (gains) losses on sales included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax`	-	USD	2 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`	$-100.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	-	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-200.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$200.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$400.00K	USD	2 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$1.20M	USD	2 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$600.00K	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-700.00K	USD	2 Qtrs
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$1.70M	USD	2 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`	-	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax`	$-2.70M	USD	2 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`	$2.40M	USD	2 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$1.30M	USD	2 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$600.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-100.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$300.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$800.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$200.00K	USD	1 Quarter
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-200.00K	USD	2 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$900.00K	USD	1 Quarter
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.20M	USD	2 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$400.00K	USD	1 Quarter
Net unrealized holding gains (losses) during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-200.00K	USD	2 Qtrs
Net unrealized holding gains (losses) during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	1 Quarter
Net unrealized holding gains (losses) during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$-500.00K	USD	1 Quarter
Net unrealized holding gains (losses) during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	2 Qtrs
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$300.00K	USD	1 Quarter
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$600.00K	USD	2 Qtrs
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$300.00K	USD	1 Quarter
Amortization of effective portion of net (gains) losses on cash flow hedges included in interest expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$600.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-100.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-100.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-200.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-100.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-700.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-400.00K	USD	2 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-700.00K	USD	2 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-200.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-1.50M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-600.00K	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$1.00M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-3.00M	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$3.00M	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	$3.00M	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax`	-	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-600.00K	USD	2 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	-	USD	2 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.50M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$4.00M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-1.30M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$500.00K	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$300.00K	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$4.80M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.17B	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$519.40M	USD	1 Quarter
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.01B	USD	2 Qtrs
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$564.80M	USD	1 Quarter
Comprehensive (Income) Loss Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive (Income) Loss Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$200.00K	USD	2 Qtrs
Comprehensive (Income) Loss Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	2 Qtrs
Comprehensive (Income) Loss Attributable to Noncontrolling Interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-800.00K	USD	1 Quarter
Comprehensive Income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$518.60M	USD	1 Quarter
Comprehensive Income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.01B	USD	2 Qtrs
Comprehensive Income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.17B	USD	2 Qtrs
Comprehensive Income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$564.80M	USD	1 Quarter

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