10-K Filing

CME GROUP INC. CIK: 1156375 FY 2020

Filing Information

Form Type	10-K
Accession Number	`0001156375-21-000020`
Period End Date	20201231
Filing Date	20210226
Fiscal Year	2020
Fiscal Period	FY
XBRL Instance	cme-20201231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 59 Income Statement 120 Cash Flow Statement 139 Stockholders Equity 57 Comprehensive Income 57

Balance Sheet 59 line items

Line Item	Tag	Value	Unit	Period
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.37B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.55B	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$100.90M	USD	Point-in-time
Marketable securities	`MarketableSecuritiesCurrent`	$83.20M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$461.30M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$491.80M	USD	Point-in-time
Other current assets	`OtherAssetsCurrent`	$364.40M	USD	Point-in-time
Other current assets	`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`	$37.08B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$39.57B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$89.28B	USD	Point-in-time
Property, net of accumulated depreciation and amortization	`PropertyPlantAndEquipmentNet`	$579.20M	USD	Point-in-time
Property, net of accumulated depreciation and amortization	`PropertyPlantAndEquipmentNet`	$544.00M	USD	Point-in-time
Intangible assets-trading products	`OtherIndefiniteLivedIntangibleAssets`	$17.18B	USD	Point-in-time
Intangible assets-trading products	`OtherIndefiniteLivedIntangibleAssets`	$17.18B	USD	Point-in-time
Intangible assetsother, net	`FiniteLivedIntangibleAssetsNet`	$4.87B	USD	Point-in-time
Intangible assetsother, net	`FiniteLivedIntangibleAssetsNet`	$5.12B	USD	Point-in-time
Goodwill	`Goodwill`	$10.74B	USD	Point-in-time
Goodwill	`Goodwill`	$10.80B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$1.96B	USD	Point-in-time
Other assets	`OtherAssetsNoncurrent`	$2.07B	USD	Point-in-time
Total Assets	`Assets`	$75.22B	USD	Point-in-time
Total Assets	`Assets`	$124.66B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$69.30M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$61.90M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.38B	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$1.35B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$37.08B	USD	Point-in-time
Performance bonds and guaranty fund contributions	`MarginDepositsAndGuarantyFundsLiabilitiesCurrent`	$86.78B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$38.52B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$88.20B	USD	Point-in-time
Long-term debt	`UnsecuredLongTermDebt`	$3.74B	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`	$5.64B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.16B	USD	Point-in-time
Other liabilities	`OtherLiabilitiesNoncurrent`	$1.06B	USD	Point-in-time
Total Liabilities	`Liabilities`	$49.06B	USD	Point-in-time
Total Liabilities	`Liabilities`	$98.31B	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized, none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred stock, $0.01 par value, 10,000 shares authorized, none issued or outstanding	`PreferredStockValue`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$21.11B	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`	$5.01B	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$134.90M	USD	Point-in-time
Accumulated other comprehensive income (loss)	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$3.40M	USD	Point-in-time
Total CME Group Shareholders' Equity	`StockholdersEquity`	$26.13B	USD	Point-in-time
Total CME Group Shareholders' Equity	`StockholdersEquity`	$26.32B	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$30.40M	USD	Point-in-time
Noncontrolling Interests	`MinorityInterest`	$31.60M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.97B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.41B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$124.66B	USD	Point-in-time
Total Liabilities and Shareholders' Equity	`LiabilitiesAndStockholdersEquity`	$75.22B	USD	Point-in-time

Income Statement 120 line items

Line Item	Tag	Value	Unit	Period
Total Revenues	`Revenues`	$1.08B	USD	1 Quarter
Total Revenues	`Revenues`	$1.52B	USD	1 Quarter
Total Revenues	`Revenues`	$1.10B	USD	1 Quarter
Total Revenues	`Revenues`	$1.14B	USD	1 Quarter
Total Revenues	`Revenues`	$1.27B	USD	1 Quarter
Total Revenues	`Revenues`	$1.18B	USD	1 Quarter
Total Revenues	`Revenues`	$1.18B	USD	1 Quarter
Total Revenues	`Revenues`	$4.31B	USD	Annual
Total Revenues	`Revenues`	$4.88B	USD	Annual
Total Revenues	`Revenues`	$4.87B	USD	Annual
Total Revenues	`Revenues`	$1.28B	USD	1 Quarter
Compensation and benefits	`LaborAndRelatedExpense`	$898.70M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$672.20M	USD	Annual
Compensation and benefits	`LaborAndRelatedExpense`	$856.50M	USD	Annual
Technology	`InformationTechnologyAndDataProcessing`	$198.50M	USD	Annual
Technology	`InformationTechnologyAndDataProcessing`	$201.50M	USD	Annual
Technology	`InformationTechnologyAndDataProcessing`	$117.20M	USD	Annual
Professional fees and outside services	`ProfessionalFees`	$191.30M	USD	Annual
Professional fees and outside services	`ProfessionalFees`	$166.10M	USD	Annual
Professional fees and outside services	`ProfessionalFees`	$174.10M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$130.00M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$311.20M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$314.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$118.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$153.20M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$158.60M	USD	Annual
Licensing and other fee agreements	`LicensingFees`	$172.20M	USD	Annual
Licensing and other fee agreements	`LicensingFees`	$170.60M	USD	Annual
Licensing and other fee agreements	`LicensingFees`	$244.90M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$290.60M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$360.40M	USD	Annual
Other	`OtherCostAndExpenseOperating`	$327.00M	USD	Annual
Total Expenses	`CostsAndExpenses`	$1.70B	USD	Annual
Total Expenses	`CostsAndExpenses`	$2.25B	USD	Annual
Total Expenses	`CostsAndExpenses`	$2.28B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$2.61B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$573.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$2.64B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$515.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$637.50M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$631.00M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$959.90M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$698.60M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$685.20M	USD	1 Quarter
Operating Income	`OperatingIncomeLoss`	$2.59B	USD	Annual
Operating Income	`OperatingIncomeLoss`	$525.00M	USD	1 Quarter
Investment income	`InvestmentIncomeNonoperating`	$182.70M	USD	Annual
Investment income	`InvestmentIncomeNonoperating`	$745.10M	USD	Annual
Investment income	`InvestmentIncomeNonoperating`	$637.90M	USD	Annual
Interest and other borrowing costs	`InterestAndDebtExpense`	$178.00M	USD	Annual
Interest and other borrowing costs	`InterestAndDebtExpense`	$157.70M	USD	Annual
Interest and other borrowing costs	`InterestAndDebtExpense`	$166.20M	USD	Annual
Equity in net earnings (losses) of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$176.80M	USD	Annual
Equity in net earnings (losses) of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$190.60M	USD	Annual
Equity in net earnings (losses) of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestments`	$152.80M	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-122.40M	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-570.00M	USD	Annual
Other income (expense)	`OtherNonoperatingIncomeExpense`	$-534.90M	USD	Annual
Total Non-Operating	`NonoperatingIncomeExpense`	$29.40M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$11.50M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$23.80M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$9.20M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$3.50M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$84.70M	USD	Annual
Total Non-Operating	`NonoperatingIncomeExpense`	$20.00M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$38.00M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$101.80M	USD	Annual
Total Non-Operating	`NonoperatingIncomeExpense`	$51.10M	USD	1 Quarter
Total Non-Operating	`NonoperatingIncomeExpense`	$170.20M	USD	Annual
Income before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$2.72B	USD	Annual
Income before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$2.78B	USD	Annual
Income before Income Taxes	`IncomeLossIncludingPortionAttributableToNoncontrollingInterest`	$2.69B	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$814.10M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$573.80M	USD	Annual
Income tax provision	`IncomeTaxExpenseBenefit`	$615.70M	USD	Annual
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$2.12B	USD	Annual
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$2.11B	USD	Annual
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$1.96B	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-700.00K	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.50M	USD	Annual
Net Income (Loss) Attributable to Noncontrolling Interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.20M	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$424.00M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$2.11B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$636.30M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$2.12B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$1.96B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$496.90M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$513.80M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$503.30M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$469.50M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$766.20M	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.78	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.41	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.15	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.44	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.31	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$5.88	USD	Annual
Basic	`EarningsPerShareBasic`	$5.93	USD	Annual
Basic	`EarningsPerShareBasic`	$1.39	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$2.14	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$1.18	USD	1 Quarter
Basic	`EarningsPerShareBasic`	$5.73	USD	Annual
Diluted	`EarningsPerShareDiluted`	$5.91	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.78	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$5.71	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.43	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.18	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.31	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.15	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$2.14	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.39	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$1.40	USD	1 Quarter
Diluted	`EarningsPerShareDiluted`	$5.87	USD	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	357.15M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	342.34M	shares	Annual
Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	357.76M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.52M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	358.24M	shares	Annual
Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	343.74M	shares	Annual

Cash Flow Statement 139 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$2.11B	USD	Annual
Net income	`ProfitLoss`	$1.96B	USD	Annual
Net income	`ProfitLoss`	$2.12B	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$96.00M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$96.50M	USD	Annual
Stock-based compensation	`ShareBasedCompensation`	$73.10M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$130.00M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$311.20M	USD	Annual
Amortization of purchased intangibles	`AmortizationOfIntangibleAssets`	$314.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$118.70M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$153.20M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$158.60M	USD	Annual
Allowance for Doubtful Accounts Receivable	`AllowanceForDoubtfulAccountsReceivable`	$5.40M	USD	Point-in-time
Net losses on assets held for sale and impaired	`AssetImpairmentCharges`	-	USD	Annual
Net losses on assets held for sale and impaired	`AssetImpairmentCharges`	$61.10M	USD	Annual
Allowance for Doubtful Accounts Receivable	`AllowanceForDoubtfulAccountsReceivable`	$3.40M	USD	Point-in-time
Net losses on assets held for sale and impaired	`AssetImpairmentCharges`	$26.30M	USD	Annual
(Gain)/Loss on derivative contracts	`UnrealizedGainLossOnDerivatives`	$1.50M	USD	Annual
(Gain)/Loss on derivative contracts	`UnrealizedGainLossOnDerivatives`	$-62.30M	USD	Annual
(Gain)/Loss on derivative contracts	`UnrealizedGainLossOnDerivatives`	$-17.70M	USD	Annual
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.30M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.50M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.20M	USD	Point-in-time
Net realized and unrealized (gains)/losses on investments	`GainLossOnInvestments`	$-1.80M	USD	Annual
Net realized and unrealized (gains)/losses on investments	`GainLossOnInvestments`	$97.40M	USD	Annual
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Net realized and unrealized (gains)/losses on investments	`GainLossOnInvestments`	$-5.50M	USD	Annual
Undistributed earnings, net of losses, of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$43.60M	USD	Annual
Undistributed earnings, net of losses, of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$7.70M	USD	Annual
Undistributed earnings, net of losses, of unconsolidated subsidiaries	`IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions`	$8.30M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-41.60M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$114.30M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-3.70M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$65.50M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-60.80M	USD	Annual
Accounts receivable	`IncreaseDecreaseInAccountsReceivable`	$-28.20M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-110.20M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$-30.40M	USD	Annual
Other current assets	`IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets`	$84.90M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-29.20M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-71.60M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-29.70M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$7.40M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$32.30M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-54.10M	USD	Annual
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$195.40M	USD	Annual
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$4.70M	USD	Annual
Income tax payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-28.60M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-36.80M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-99.30M	USD	Annual
Other current liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-54.30M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-52.80M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-28.80M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-20.50M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-8.60M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-11.30M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$-11.90M	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.44B	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.72B	USD	Annual
Net Cash Provided by Operating Activities	`NetCashProvidedByUsedInOperatingActivities`	$2.67B	USD	Annual
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$12.30M	USD	Annual
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$11.80M	USD	Annual
Proceeds from maturities of available-for-sale marketable securities	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$18.80M	USD	Annual
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$11.10M	USD	Annual
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$15.40M	USD	Annual
Purchases of available-for-sale marketable securities	`PaymentsToAcquireAvailableForSaleSecurities`	$10.00M	USD	Annual
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$245.60M	USD	Annual
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$197.50M	USD	Annual
Purchases of property, net	`PaymentsToAcquirePropertyPlantAndEquipment`	$116.70M	USD	Annual
Investments in business ventures	`PaymentsToAcquireInvestments`	$5.50M	USD	Annual
Investments in business ventures	`PaymentsToAcquireInvestments`	-	USD	Annual
Investments in business ventures	`PaymentsToAcquireInvestments`	-	USD	Annual
Proceeds from sale of business ventures	`ProceedsFromDivestitureOfBusinesses`	$26.30M	USD	Annual
Proceeds from sale of business ventures	`ProceedsFromDivestitureOfBusinesses`	$89.60M	USD	Annual
Proceeds from sale of business ventures	`ProceedsFromDivestitureOfBusinesses`	$20.70M	USD	Annual
Cash paid to acquire NEX, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Cash paid to acquire NEX, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Cash paid to acquire NEX, net of cash received	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$1.80B	USD	Annual
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-175.50M	USD	Annual
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.89B	USD	Annual
Net Cash Used in Investing Activities	`NetCashProvidedByUsedInInvestingActivities`	$-152.60M	USD	Annual
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$-92.50M	USD	Annual
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$386.90M	USD	Annual
Issuance of commercial paper, net of maturities	`ProceedsFromRepaymentsOfCommercialPaper`	$-304.60M	USD	Annual
Proceeds from other borrowings, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	$1.19B	USD	Annual
Proceeds from other borrowings, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from other borrowings, net of issuance costs	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Repayment of other borrowings	`RepaymentsOfOtherDebt`	$452.50M	USD	Annual
Repayment of other borrowings	`RepaymentsOfOtherDebt`	$569.20M	USD	Annual
Repayment of other borrowings	`RepaymentsOfOtherDebt`	-	USD	Annual
Cash dividends	`PaymentsOfDividends`	$2.11B	USD	Annual
Cash dividends	`PaymentsOfDividends`	$2.15B	USD	Annual
Cash dividends	`PaymentsOfDividends`	$1.70B	USD	Annual
Payments for (proceeds from) derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$-16.00M	USD	Annual
Payments for (proceeds from) derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	-	USD	Annual
Payments for (proceeds from) derivative contracts	`PaymentsForProceedsFromDerivativeInstrumentFinancingActivities`	$30.00M	USD	Annual
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$35.00M	USD	Annual
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$41.40M	USD	Annual
Employee taxes paid on restricted stock vesting	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$36.80M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$37.60M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$15.50M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.20M	USD	Annual
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.08B	USD	Annual
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.34B	USD	Annual
Net Cash Used in Financing Activities	`NetCashProvidedByUsedInFinancingActivities`	$-2.46B	USD	Annual
Net change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$179.40M	USD	Annual
Net change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-528.80M	USD	Annual
Net change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$81.90M	USD	Annual
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`	$1.91B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.56B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Beginning Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.38B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.64B	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`	$1.56B	USD	Point-in-time
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Ending Balance	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$1.38B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.37B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.55B	USD	Point-in-time
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.30M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$4.70M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Current	`RestrictedCashAndCashEquivalentsAtCarryingValue`	$1.50M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$600.00K	USD	Point-in-time
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$1.20M	USD	Point-in-time
Restricted Cash and Cash Equivalents, Noncurrent	`RestrictedCashAndCashEquivalentsNoncurrent`	$900.00K	USD	Point-in-time
Income taxes paid	`IncomeTaxesPaid`	$577.40M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$652.70M	USD	Annual
Income taxes paid	`IncomeTaxesPaid`	$591.20M	USD	Annual
Interest paid	`InterestPaidNet`	$133.30M	USD	Annual
Interest paid	`InterestPaidNet`	$146.30M	USD	Annual
Interest paid	`InterestPaidNet`	$108.30M	USD	Annual
Common stock issued for acquisition of NEX	`NoncashOrPartNoncashAcquisitionInvestmentsAcquired1`	-	USD	Annual
Common stock issued for acquisition of NEX	`NoncashOrPartNoncashAcquisitionInvestmentsAcquired1`	-	USD	Annual
Common stock issued for acquisition of NEX	`NoncashOrPartNoncashAcquisitionInvestmentsAcquired1`	$3.11B	USD	Annual
Dividends declared	`Dividendsdeclared`	$895.20M	USD	Annual
Dividends declared	`Dividendsdeclared`	$893.70M	USD	Annual
Dividends declared	`Dividendsdeclared`	$624.40M	USD	Annual

Stockholders Equity 57 line items

Line Item	Tag	Value	Unit	Period
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$5.90	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$4.55	USD	Annual
Common Stock, Dividends, Per Share, Declared	`CommonStockDividendsPerShareDeclared`	$5.50	USD	Annual
Total CME Group Shareholders' Equity, beginning	`StockholdersEquity`	$26.13B	USD	Point-in-time
Total CME Group Shareholders' Equity, beginning	`StockholdersEquity`	$26.32B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.97B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.41B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time
Net income attributable to CME Group	`NetIncomeLoss`	$424.00M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$2.11B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$636.30M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$2.12B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$1.96B	USD	Annual
Net income attributable to CME Group	`NetIncomeLoss`	$496.90M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$513.80M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$411.70M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$503.30M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$469.50M	USD	1 Quarter
Net income attributable to CME Group	`NetIncomeLoss`	$766.20M	USD	1 Quarter
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$2.12B	USD	Annual
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$2.11B	USD	Annual
Net income	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$1.96B	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$131.50M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-12.80M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.90M	USD	Annual
Dividends, Cash	`DividendsCash`	$1.59B	USD	Annual
Dividends, Cash	`DividendsCash`	$1.97B	USD	Annual
Dividends, Cash	`DividendsCash`	$2.12B	USD	Annual
Impact of accounting standards update adoption	`StockholdersEquityOther`	$-300.00K	USD	Annual
Impact of accounting standards update adoption	`StockholdersEquityOther`	$6.90M	USD	Annual
Tax Cuts and Jobs Act, Reclassification from AOCI to Retained Earnings, Tax Effect	`TaxCutsAndJobsActOf2017ReclassificationFromAociToRetainedEarningsTaxEffect`	$-8.70M	USD	Annual
Changes in non-controlling interest due to measurement period adjustments	`MinorityInterestPeriodIncreaseDecrease`	$-15.70M	USD	Annual
Common stock issued to complete the acquisition, value	`StockIssuedDuringPeriodValueAcquisitions`	$3.11B	USD	Annual
Noncontrolling interest resulting from the acquisition	`NoncontrollingInterestIncreaseFromBusinessCombination`	$45.30M	USD	Annual
Exercise of stock options (in shares)	`StockIssuedDuringPeriodSharesStockOptionsExercised`	123,561.00	shares	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$11.50M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$6.90M	USD	Annual
Exercise of stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$14.20M	USD	Annual
Vesting of issued restricted Class A common stock, value	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-35.00M	USD	Annual
Vesting of issued restricted Class A common stock, value	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-36.80M	USD	Annual
Vesting of issued restricted Class A common stock, value	`StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures`	$-41.40M	USD	Annual
Stock Issued to Board of Directors, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.80M	USD	Annual
Stock Issued to Board of Directors, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$2.90M	USD	Annual
Stock Issued to Board of Directors, Value, Issued for Services	`StockIssuedDuringPeriodValueIssuedForServices`	$3.20M	USD	Annual
Shares issued under Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$7.90M	USD	Annual
Shares issued under Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$5.20M	USD	Annual
Shares issued under Employee Stock Purchase Plan	`StockIssuedDuringPeriodValueEmployeeStockPurchasePlan`	$4.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$73.10M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$96.00M	USD	Annual
Stock-based compensation	`StockGrantedDuringPeriodValueSharebasedCompensation`	$68.50M	USD	Annual
Total CME Group Shareholders' Equity, ending	`StockholdersEquity`	$26.13B	USD	Point-in-time
Total CME Group Shareholders' Equity, ending	`StockholdersEquity`	$26.32B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.35B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$25.97B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$22.41B	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$26.16B	USD	Point-in-time

Comprehensive Income 57 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$2.11B	USD	Annual
Net income	`ProfitLoss`	$1.96B	USD	Annual
Net income	`ProfitLoss`	$2.12B	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$-800.00K	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.00M	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax`	$1.10M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$-200.00K	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$300.00K	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax`	$300.00K	USD	Annual
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-600.00K	USD	Annual
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$700.00K	USD	Annual
Investment securities, net	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$800.00K	USD	Annual
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-15.30M	USD	Annual
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-7.40M	USD	Annual
Net change in defined benefit plans arising during the period	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansNetUnamortizedGainLossArisingDuringPeriodBeforeTax`	$-6.60M	USD	Annual
Amortization of net actuarial (gains) losses and prior service costs included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.90M	USD	Annual
Amortization of net actuarial (gains) losses and prior service costs included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-4.70M	USD	Annual
Amortization of net actuarial (gains) losses and prior service costs included in compensation and benefits expense	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossBeforeTax`	$-2.60M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$3.20M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$400.00K	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax`	$700.00K	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.00M	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$9.50M	USD	Annual
Defined benefit plans, net	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$1.30M	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$600.00K	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	-	USD	Annual
Net unrealized holding gains (losses) arising during the period	`OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodBeforeTax`	$900.00K	USD	Annual
Amortization of effective portion of net (gains) losses on cash flow hedges included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$1.20M	USD	Annual
Amortization of effective portion of net (gains) losses on cash flow hedges included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$1.20M	USD	Annual
Amortization of effective portion of net (gains) losses on cash flow hedges included in investment income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax`	$2.70M	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-700.00K	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$-100.00K	USD	Annual
Income tax benefit (expense)	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesTax`	$100.00K	USD	Annual
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-700.00K	USD	Annual
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-200.00K	USD	Annual
Derivative investments, net	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$-2.00M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-2.50M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$134.30M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax`	$-600.00K	USD	Annual
Reclassification adjustment for loss included in other expense	`OtherComprehensiveIncomeLossForeignCurrentyTranslationReclassification`	-	USD	Annual
Reclassification adjustment for loss included in other expense	`OtherComprehensiveIncomeLossForeignCurrentyTranslationReclassification`	-	USD	Annual
Reclassification adjustment for loss included in other expense	`OtherComprehensiveIncomeLossForeignCurrentyTranslationReclassification`	$400.00K	USD	Annual
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-2.50M	USD	Annual
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$-600.00K	USD	Annual
Foreign currency translation, net	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax`	$134.70M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$131.50M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-12.80M	USD	Annual
Other comprehensive income/(loss)	`OtherComprehensiveIncomeLossNetOfTax`	$-1.90M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.24B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.11B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.95B	USD	Annual
Less: comprehensive (income) loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.20M	USD	Annual
Less: comprehensive (income) loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-700.00K	USD	Annual
Less: comprehensive (income) loss attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.50M	USD	Annual
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$2.24B	USD	Annual
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$1.95B	USD	Annual
Comprehensive income attributable to CME Group	`ComprehensiveIncomeNetOfTax`	$2.11B	USD	Annual

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