10-Q Filing

CME GROUP INC. CIK: 1156375 Q2 2021

Filing Information

Form Type	10-Q
Accession Number	`0001156375-21-000093`
Period End Date	20210630
Filing Date	20210805
Fiscal Year	2021
Fiscal Period	Q2
XBRL Instance	cme-20210630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 75 Income Statement 96 Cash Flow Statement 93 Stockholders Equity 63 Comprehensive Income 72

Balance Sheet 75 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.40M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.08B	USD	Point-in-time
Accounts receivable, allowance	`AllowanceForDoubtfulAccountsReceivableCurrent`	$5.20M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.41B	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.80M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$100.90M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$110.90M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.40M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$961.20M	USD	Point-in-time
Accounts receivable, net of allowance of $5.2 and $5.4	`AccountsReceivableNetCurrent`	$461.30M	USD	Point-in-time
Accounts receivable, net of allowance of $5.2 and $5.4	`AccountsReceivableNetCurrent`	$509.60M	USD	Point-in-time
Accumulated depreciation and amortization, property	`AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment`	$980.40M	USD	Point-in-time
Assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperation`	-	USD	Point-in-time
Assets held for sale	`AssetsOfDisposalGroupIncludingDiscontinuedOperation`	$1.49B	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$2.90M	USD	Point-in-time
Other current assets (includes $4.8 and $4.7 in restricted cash)	`OtherAssetsCurrent`	$361.50M	USD	Point-in-time
Other current assets (includes $4.8 and $4.7 in restricted cash)	`OtherAssetsCurrent`	$306.70M	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$86.78B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`GoodFaithAndMarginDepositsWithBrokerDealers`	$141.30B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$144.85B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$89.28B	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $980.4 and $961.2	`PropertyPlantAndEquipmentNet`	$527.60M	USD	Point-in-time
Property, net of accumulated depreciation and amortization of $980.4 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`	$4.87B	USD	Point-in-time
Intangible assetsother, net	`FiniteLivedIntangibleAssetsNet`	$3.66B	USD	Point-in-time
Goodwill	`Goodwill`	$10.80B	USD	Point-in-time
Goodwill	`Goodwill`	$10.54B	USD	Point-in-time
Other assets (includes $2.9 and $0.6 in restricted cash)	`OtherAssetsNoncurrent`	$1.96B	USD	Point-in-time
Other assets (includes $2.9 and $0.6 in restricted cash)	`OtherAssetsNoncurrent`	$1.94B	USD	Point-in-time
Total Assets	`Assets`	$124.66B	USD	Point-in-time
Total Assets	`Assets`	$178.70B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$69.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$47.20M	USD	Point-in-time
Liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation`	-	USD	Point-in-time
Liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation`	$286.70M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$379.10M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.35B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$141.30B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$86.78B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$88.20B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$142.01B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.44B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.44B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.61B	USD	Point-in-time
Deferred income tax liabilities, net	`DeferredIncomeTaxLiabilitiesNet`	$5.40B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.06B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.05B	USD	Point-in-time
Total Liabilities	`Liabilities`	$151.91B	USD	Point-in-time
Total Liabilities	`Liabilities`	$98.31B	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at June 30, 2021 and December 31, 2020; none issued	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized at June 30, 2021 and December 31, 2020; none issued	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.22B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.19B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.00B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$5.43B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$106.00M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$134.90M	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.60B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.16B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.84B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.32B	USD	Point-in-time
Total CME Group Shareholders Equity	`StockholdersEquity`	$26.76B	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$24.20M	USD	Point-in-time
Non-controlling interests	`MinorityInterest`	$31.60M	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`	$26.56B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$178.70B	USD	Point-in-time
Total Liabilities and Equity	`LiabilitiesAndStockholdersEquity`	$124.66B	USD	Point-in-time

Income Statement 96 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`Revenues`	$2.43B	USD	2 Qtrs
Total Revenues	`Revenues`	$2.70B	USD	2 Qtrs
Total Revenues	`Revenues`	$1.18B	USD	1 Quarter
Total Revenues	`Revenues`	$1.18B	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$436.70M	USD	2 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$211.70M	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$424.50M	USD	2 Qtrs
Compensation and benefits	`LaborAndRelatedExpense`	$217.00M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$96.80M	USD	2 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$97.50M	USD	2 Qtrs
Technology	`InformationTechnologyAndDataProcessing`	$49.10M	USD	1 Quarter
Technology	`InformationTechnologyAndDataProcessing`	$49.30M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$51.20M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$36.80M	USD	1 Quarter
Professional fees and outside services	`ProfessionalFees`	$74.20M	USD	2 Qtrs
Professional fees and outside services	`ProfessionalFees`	$92.90M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$120.00M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$76.60M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$153.90M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$59.40M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$72.00M	USD	2 Qtrs
Depreciation and amortization	`Depreciation`	$37.10M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$36.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$74.70M	USD	2 Qtrs
Licensing and other fee agreements	`LicensingFees`	$129.30M	USD	2 Qtrs
Licensing and other fee agreements	`LicensingFees`	$55.40M	USD	1 Quarter
Licensing and other fee agreements	`LicensingFees`	$118.90M	USD	2 Qtrs
Licensing and other fee agreements	`LicensingFees`	$54.20M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$58.80M	USD	1 Quarter
Other	`OtherCostAndExpenseOperating`	$137.60M	USD	2 Qtrs
Other	`OtherCostAndExpenseOperating`	$110.70M	USD	2 Qtrs
Other	`OtherCostAndExpenseOperating`	$56.00M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$1.11B	USD	2 Qtrs
Total Expenses	`CostsAndExpenses`	$544.80M	USD	1 Quarter
Total Expenses	`CostsAndExpenses`	$1.03B	USD	2 Qtrs
Total Expenses	`CostsAndExpenses`	$504.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.60B	USD	2 Qtrs
Operating Income	`OperatingIncomeLoss`	$674.70M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$637.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$1.40B	USD	2 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$93.30M	USD	2 Qtrs
Investment income	`InvestmentIncomeNonoperating`	$62.40M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$32.10M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$128.00M	USD	2 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$83.20M	USD	2 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$82.80M	USD	2 Qtrs
Interest and other borrowing costs	`InterestAndDebtExpense`	$41.70M	USD	1 Quarter
Interest and other borrowing costs	`InterestAndDebtExpense`	$41.90M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$48.80M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$100.00M	USD	2 Qtrs
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$55.70M	USD	1 Quarter
Equity in net earnings of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$111.90M	USD	2 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-15.20M	USD	1 Quarter
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-43.40M	USD	2 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-92.00M	USD	2 Qtrs
Other non-operating income (expense)	`OtherNonoperatingIncomeExpense`	$-25.00M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$23.80M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$78.60M	USD	2 Qtrs
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$51.40M	USD	1 Quarter
Total Non-Operating Income (Expense)	`NonoperatingIncomeExpense`	$53.20M	USD	2 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$661.30M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$726.10M	USD	1 Quarter
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.65B	USD	2 Qtrs
Income before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.48B	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$215.50M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$380.50M	USD	2 Qtrs
Income tax provision	`IncomeTaxExpenseBenefit`	$158.00M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$393.00M	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.27B	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.09B	USD	2 Qtrs
Net Income	`ProfitLoss`	$510.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$503.30M	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$600.00K	USD	2 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$300.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$700.00K	USD	2 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$503.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$510.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.08B	USD	2 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.27B	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.55	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$3.03	USD	2 Qtrs
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.41	USD	1 Quarter
Basic (in dollars per share)	`EarningsPerShareBasic`	$1.42	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.40	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.02	USD	2 Qtrs
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.42	USD	1 Quarter
Diluted (in dollars per share)	`EarningsPerShareDiluted`	$3.54	USD	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.61M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	358.26M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	357.69M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	358.20M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.89M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.85M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.46M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.45M	shares	2 Qtrs

Cash Flow Statement 93 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$1.27B	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.09B	USD	2 Qtrs
Net Income	`ProfitLoss`	$510.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$503.30M	USD	1 Quarter
Stock-based compensation	`ShareBasedCompensation`	$45.50M	USD	2 Qtrs
Stock-based compensation	`ShareBasedCompensation`	$41.00M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$120.00M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$76.60M	USD	1 Quarter
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$153.90M	USD	2 Qtrs
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$59.40M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$72.00M	USD	2 Qtrs
Depreciation and amortization	`Depreciation`	$37.10M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$36.70M	USD	1 Quarter
Depreciation and amortization	`Depreciation`	$74.70M	USD	2 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	$27.90M	USD	2 Qtrs
Net losses on impaired assets	`OtherAssetImpairmentCharges`	-	USD	2 Qtrs
Net (gain) on derivative contracts	`UnrealizedGainLossOnDerivatives`	-	USD	2 Qtrs
Net (gain) on derivative contracts	`UnrealizedGainLossOnDerivatives`	$1.60M	USD	2 Qtrs
Net realized and unrealized (gains) losses on investments	`GainLossOnInvestments`	$-1.10M	USD	2 Qtrs
Net realized and unrealized (gains) losses on investments	`GainLossOnInvestments`	$20.70M	USD	2 Qtrs
Cash dividends in excess of earnings (undistributed net earnings) of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$10.50M	USD	2 Qtrs
Cash dividends in excess of earnings (undistributed net earnings) of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$-1.90M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-22.10M	USD	2 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$19.20M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$132.50M	USD	2 Qtrs
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$42.50M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-1.80M	USD	2 Qtrs
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$22.30M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-27.80M	USD	2 Qtrs
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-31.10M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-21.00M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$26.10M	USD	2 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$294.00M	USD	2 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-83.70M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$24.50M	USD	2 Qtrs
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-55.90M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-49.10M	USD	2 Qtrs
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-17.30M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-2.20M	USD	2 Qtrs
Other	`OtherNoncashIncomeExpense`	$-5.40M	USD	2 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.10B	USD	2 Qtrs
Net Cash Provided by (Used in) Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$1.74B	USD	2 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$5.70M	USD	2 Qtrs
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$7.50M	USD	2 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$4.90M	USD	2 Qtrs
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$6.70M	USD	2 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$68.20M	USD	2 Qtrs
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$79.20M	USD	2 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireInvestments`	$1.50M	USD	2 Qtrs
Investments in privately-held equity investments	`PaymentsToAcquireInvestments`	$1.40M	USD	2 Qtrs
Purchase of non-controlling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	$12.50M	USD	2 Qtrs
Purchase of non-controlling interest	`PaymentsToAcquireAdditionalInterestInSubsidiaries`	-	USD	2 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$13.40M	USD	2 Qtrs
Proceeds from sales of investments	`ProceedsFromSaleOfOtherInvestments`	$300.00K	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-79.50M	USD	2 Qtrs
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-68.00M	USD	2 Qtrs
Repayment of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	-	USD	2 Qtrs
Repayment of commercial paper, net	`ProceedsFromRepaymentsOfCommercialPaper`	$-304.60M	USD	2 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.50B	USD	2 Qtrs
Cash dividends	`PaymentsOfDividends`	$1.54B	USD	2 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$13.50M	USD	2 Qtrs
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$19.40M	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-800.00K	USD	2 Qtrs
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$15.10M	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.55B	USD	2 Qtrs
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.81B	USD	2 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-519.80M	USD	2 Qtrs
Net change in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-146.10M	USD	2 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`	$1.64B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.12B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, beginning balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.41B	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`	$1.64B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.12B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, ending balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.41B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.08B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.41B	USD	Point-in-time
Cash classified as assets held for sale	`DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents`	-	USD	Point-in-time
Cash classified as assets held for sale	`DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents`	$30.00M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.80M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Short-term restricted cash	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.40M	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$700.00K	USD	Point-in-time
Long-term restricted cash	`RestrictedCashAndCashEquivalentsNoncurrent`	$2.90M	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$116.60M	USD	2 Qtrs
Income taxes paid	`IncomeTaxesPaid`	$433.70M	USD	2 Qtrs
Interest paid	`InterestPaid`	$67.10M	USD	2 Qtrs
Interest paid	`InterestPaid`	$67.00M	USD	2 Qtrs
Accrued proceeds from sale of investments	`AccruedProceedsfromSaleofInvestment`	$700.00K	USD	Point-in-time
Accrued proceeds from sale of investments	`AccruedProceedsfromSaleofInvestment`	$12.50M	USD	Point-in-time

Stockholders Equity 63 line items

Line Item	Tag	Value	Unit	Period
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$1.80	USD	2 Qtrs
Cash dividends on common stock, per share (in dollars per share)	`CommonStockDividendsPerShareCashPaid`	$0.90	USD	1 Quarter
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`	$1.70	USD	2 Qtrs
Balance	`StockholdersEquity`	$26.60B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.84B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.32B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.76B	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`	$26.56B	USD	Point-in-time
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$600.00K	USD	2 Qtrs
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$300.00K	USD	1 Quarter
Less: net (income) loss attributable to non-controlling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$700.00K	USD	2 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$503.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$510.30M	USD	1 Quarter
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.08B	USD	2 Qtrs
Net Income Attributable to CME Group	`NetIncomeLoss`	$1.27B	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.27B	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.09B	USD	2 Qtrs
Net Income	`ProfitLoss`	$510.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$503.30M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$22.50M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-28.90M	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-16.50M	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$13.10M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$304.70M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$609.40M	USD	2 Qtrs
Dividends, Cash	`DividendsCash`	$323.10M	USD	1 Quarter
Dividends, Cash	`DividendsCash`	$646.10M	USD	2 Qtrs
Impact of accounting standards update adoption	`ImpactOfAccountingStandardsUpdateAdoption`	$-300.00K	USD	2 Qtrs
Purchase of noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-6.30M	USD	1 Quarter
Purchase of noncontrolling interest	`MinorityInterestDecreaseFromRedemptions`	$-12.50M	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$600.00K	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$1.50M	USD	1 Quarter
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$3.80M	USD	2 Qtrs
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$3.20M	USD	2 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$13.50M	USD	2 Qtrs
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$300.00K	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$400.00K	USD	1 Quarter
Vesting of issued restricted Class A common stock	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$19.40M	USD	2 Qtrs
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	2 Qtrs
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	1 Quarter
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	1 Quarter
Stock Issued During Period, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	2 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.90M	USD	1 Quarter
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$4.40M	USD	1 Quarter
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$2.90M	USD	2 Qtrs
Stock Issued During Period, Value, Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$4.40M	USD	2 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$45.50M	USD	2 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$41.00M	USD	2 Qtrs
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$19.40M	USD	1 Quarter
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensationGross`	$22.40M	USD	1 Quarter
Balance	`StockholdersEquity`	$26.60B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.16B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.84B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.32B	USD	Point-in-time
Balance	`StockholdersEquity`	$26.76B	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`	$26.56B	USD	Point-in-time

Comprehensive Income 72 line items

Line Item	Tag	Value	Unit	Period
Net Income	`ProfitLoss`	$1.27B	USD	2 Qtrs
Net Income	`ProfitLoss`	$1.09B	USD	2 Qtrs
Net Income	`ProfitLoss`	$510.60M	USD	1 Quarter
Net Income	`ProfitLoss`	$503.30M	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-700.00K	USD	2 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$800.00K	USD	2 Qtrs
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$400.00K	USD	1 Quarter
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.40M	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$100.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$400.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-200.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$200.00K	USD	2 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$1.00M	USD	1 Quarter
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-500.00K	USD	2 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$600.00K	USD	2 Qtrs
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$300.00K	USD	1 Quarter
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-2.00M	USD	2 Qtrs
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	-	USD	2 Qtrs
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
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`	$-1.10M	USD	1 Quarter
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.20M	USD	2 Qtrs
Amortization of net actuarial (gains) losses included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.30M	USD	2 Qtrs
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`	$-300.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$-600.00K	USD	2 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-800.00K	USD	1 Quarter
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.60M	USD	2 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-200.00K	USD	2 Qtrs
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-800.00K	USD	1 Quarter
Reclassification of net unrealized (gains) losses to interest expense and other non-operating income (expense)	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$2.10M	USD	2 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`	$600.00K	USD	2 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`	$-100.00K	USD	1 Quarter
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-200.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-400.00K	USD	2 Qtrs
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	-	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-200.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-300.00K	USD	1 Quarter
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-400.00K	USD	2 Qtrs
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-1.70M	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$21.60M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-29.60M	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-16.20M	USD	2 Qtrs
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$11.60M	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	-	USD	2 Qtrs
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	-	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	-	USD	1 Quarter
Reclassification of net currency (gains) losses from foreign entities to other expenses	`OtherComprehensiveIncomeLossForeignCurrencyTranslationReclassification`	$600.00K	USD	2 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$21.60M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-29.60M	USD	2 Qtrs
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$11.60M	USD	1 Quarter
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-15.60M	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$22.50M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-28.90M	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-16.50M	USD	2 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$13.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$516.40M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.25B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.06B	USD	2 Qtrs
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$533.10M	USD	1 Quarter
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$600.00K	USD	2 Qtrs
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$300.00K	USD	1 Quarter
Less: comprehensive (income) loss attributable to non-controlling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$700.00K	USD	2 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.06B	USD	2 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$532.80M	USD	1 Quarter
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.25B	USD	2 Qtrs
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$516.40M	USD	1 Quarter

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