10-K Filing

Interactive Brokers Group, Inc. CIK: 1381197 FY 2017

Filing Information

Form Type	10-K
Accession Number	`0001047469-18-001166`
Period End Date	20171231
Filing Date	20180301
Fiscal Year	2017
Fiscal Period	FY
XBRL Instance	ibkr-20171231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 74 Income Statement 90 Cash Flow Statement 122 Stockholders Equity 31

Balance Sheet 74 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivable`	$97.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivable`	$40.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.60B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.73B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.27B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.93B	USD	Point-in-time
Cash and securities segregated for regulatory purposes	`CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations`	$24.02B	USD	Point-in-time
Cash and securities segregated for regulatory purposes	`CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations`	$20.23B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$3.63B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$2.96B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$111.00M	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$2.04B	USD	Point-in-time
Accumulated Other Comprehensive Income, Tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Accumulated Other Comprehensive Income, Tax	`AccumulatedOtherComprehensiveIncomeLossTax`	$1.00M	USD	Point-in-time
Treasury stock shares	`TreasuryStockShares`	133,294.00	shares	Point-in-time
Financial instruments owned	`FinancialInstrumentsOwnedAndNotPledgedAtFairValue`	$1.95B	USD	Point-in-time
Financial instruments owned	`FinancialInstrumentsOwnedAndNotPledgedAtFairValue`	$2.10B	USD	Point-in-time
Treasury stock shares	`TreasuryStockShares`	134,439.00	shares	Point-in-time
Financial instruments owned and pledged as collateral	`FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue`	$1.93B	USD	Point-in-time
Financial instruments owned and pledged as collateral	`FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue`	$1.20B	USD	Point-in-time
Total financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$3.15B	USD	Point-in-time
Total financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$4.04B	USD	Point-in-time
Customers, less allowance for doubtful accounts of $40 and $97 as of December 31, 2017 and 2016	`ReceivablesFromCustomerNet`	$29.82B	USD	Point-in-time
Customers, less allowance for doubtful accounts of $40 and $97 as of December 31, 2017 and 2016	`ReceivablesFromCustomerNet`	$19.41B	USD	Point-in-time
Receivables from brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$1.04B	USD	Point-in-time
Receivables from brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$823.00M	USD	Point-in-time
Interest receivable	`InterestReceivable`	$57.00M	USD	Point-in-time
Interest receivable	`InterestReceivable`	$116.00M	USD	Point-in-time
Total receivables	`ReceivablesNet`	$20.51B	USD	Point-in-time
Total receivables	`ReceivablesNet`	$30.76B	USD	Point-in-time
Other assets	`OtherAssets`	$448.00M	USD	Point-in-time
Other assets	`OtherAssets`	$292.00M	USD	Point-in-time
Total assets	`Assets`	$61.16B	USD	Point-in-time
Total assets	`Assets`	$48.73B	USD	Point-in-time
Total assets	`Assets`	$54.67B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$74.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$15.00M	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$4.29B	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$4.44B	USD	Point-in-time
Securities sold under agreements to repurchase	`SecuritiesSoldUnderAgreementsToRepurchase`	$1.32B	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$767.00M	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$2.15B	USD	Point-in-time
Payables to customers	`PayablesToCustomers`	$47.55B	USD	Point-in-time
Payables to customers	`PayablesToCustomers`	$41.73B	USD	Point-in-time
Payables to brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$283.00M	USD	Point-in-time
Payables to brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$239.00M	USD	Point-in-time
Payable to affiliate	`DueToAffiliateCurrentAndNoncurrent`	$285.00M	USD	Point-in-time
Payable to affiliate	`DueToAffiliateCurrentAndNoncurrent`	$187.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$80.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$147.00M	USD	Point-in-time
Interest payable	`InterestPayableCurrentAndNoncurrent`	$22.00M	USD	Point-in-time
Interest payable	`InterestPayableCurrentAndNoncurrent`	$6.00M	USD	Point-in-time
Total payables	`OtherPayables`	$48.19B	USD	Point-in-time
Total payables	`OtherPayables`	$42.34B	USD	Point-in-time
Total liabilities	`Liabilities`	$54.73B	USD	Point-in-time
Total liabilities	`Liabilities`	$48.85B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$775.00M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$832.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$251.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$203.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $1 and $0 as of December 31, 2017 and 2016	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-2.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $1 and $0 as of December 31, 2017 and 2016	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$9.00M	USD	Point-in-time
Treasury stock, at cost, 133,294 and 134,439 shares as of December 31, 2017 and 2016	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Treasury stock, at cost, 133,294 and 134,439 shares as of December 31, 2017 and 2016	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$974.00M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.09B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$5.34B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$4.85B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.18B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$61.16B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$54.67B	USD	Point-in-time

Income Statement 90 line items

Line Item	Tag	Value	Unit	Period
Trading gains	`TradingGainsLosses`	$163.00M	USD	Annual
Trading gains	`TradingGainsLosses`	$40.00M	USD	Annual
Trading gains	`TradingGainsLosses`	$269.00M	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$617.00M	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$612.00M	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$647.00M	USD	Annual
Interest income	`InterestIncomeOperating`	$606.00M	USD	Annual
Interest income	`InterestIncomeOperating`	$908.00M	USD	Annual
Interest income	`InterestIncomeOperating`	$492.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$-122.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$94.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$332.00M	USD	Annual
Total revenues	`Revenues`	$1.48B	USD	Annual
Total revenues	`Revenues`	$1.93B	USD	Annual
Total revenues	`Revenues`	$1.26B	USD	Annual
Interest expense	`InterestExpensePL`	$79.00M	USD	Annual
Interest expense	`InterestExpensePL`	$225.00M	USD	Annual
Interest expense	`InterestExpensePL`	$67.00M	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.40B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.70B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.19B	USD	Annual
Execution and clearing	`ExecutionAndClearing`	$241.00M	USD	Annual
Execution and clearing	`ExecutionAndClearing`	$244.00M	USD	Annual
Execution and clearing	`ExecutionAndClearing`	$231.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$242.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$249.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$227.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$44.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$51.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$47.00M	USD	Annual
Communications	`Communication`	$28.00M	USD	Annual
Communications	`Communication`	$30.00M	USD	Annual
Communications	`Communication`	$25.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$58.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$86.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$62.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$146.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$2.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$6.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$731.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$653.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$635.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$761.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.05B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$458.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$43.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$62.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$256.00M	USD	Annual
Net income	`ProfitLoss`	$793.00M	USD	Annual
Net income	`ProfitLoss`	$699.00M	USD	Annual
Net income	`ProfitLoss`	$415.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$615.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$366.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$717.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$76.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$49.00M	USD	Annual
Basic	`EarningsPerShareBasic`	$1.28	USD	Annual
Basic	`EarningsPerShareBasic`	$0.80	USD	Annual
Basic	`EarningsPerShareBasic`	$1.09	USD	Annual
Diluted	`EarningsPerShareDiluted`	$0.78	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.25	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.07	USD	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	69.93M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	61.04M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	66.01M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.90M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	62.51M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.30M	shares	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$76.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$49.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-4.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$11.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-10.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$11.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-4.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-10.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$39.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$87.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$80.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$615.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$366.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$717.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-21.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$54.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-53.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$594.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$313.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$771.00M	USD	Annual

Cash Flow Statement 122 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$793.00M	USD	Annual
Net income	`ProfitLoss`	$699.00M	USD	Annual
Net income	`ProfitLoss`	$415.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$15.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$147.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$27.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$25.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$25.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$22.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$53.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$51.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$50.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$4.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$-7.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$-1.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$93.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-6.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-146.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-2.00M	USD	Annual
Impairment loss	`OtherAssetImpairmentCharges`	$21.00M	USD	Annual
Cash and securities - segregated for regulatory purposes	`IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities`	$-3.79B	USD	Annual
Cash and securities - segregated for regulatory purposes	`IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities`	$2.71B	USD	Annual
Cash and securities - segregated for regulatory purposes	`IncreaseDecreaseInRestrictedCashAndInvestmentsForOperatingActivities`	$5.91B	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-295.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$264.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-672.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.92B	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-191.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-84.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$647.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-568.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-886.00M	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-144.00M	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-2.37B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-10.41B	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-413.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$342.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-158.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$3.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-13.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$1.40B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$151.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$-305.00M	USD	Annual
Securities sold under agreement to repurchase	`IncreaseDecreaseInPayablesUnderRepurchaseAgreements`	$1.32B	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$-454.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$-1.38B	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$38.00M	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$4.65B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$5.82B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$5.29B	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-177.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$132.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$177.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$142.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$725.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivitiesContinuingOperations`	$544.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$17.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$16.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$38.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$2.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$11.00M	USD	Annual
Purchase of property and equipment	`PaymentsForProceedsFromProductiveAssets`	$27.00M	USD	Annual
Purchase of property and equipment	`PaymentsForProceedsFromProductiveAssets`	$30.00M	USD	Annual
Purchase of property and equipment	`PaymentsForProceedsFromProductiveAssets`	$28.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-35.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-6.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivitiesContinuingOperations`	$-26.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-34.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$74.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-59.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$25.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$28.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$26.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$272.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$227.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$219.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$25.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$21.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$26.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$29.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$21.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$25.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$15.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$13.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$17.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-374.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-189.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivitiesContinuingOperations`	$-295.00M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-63.00M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-25.00M	USD	Annual
Effect of exchange rate changes on cash and cash equivalents	`EffectOfExchangeRateOnCashAndCashEquivalents`	$65.00M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-193.00M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$324.00M	USD	Annual
Net increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$332.00M	USD	Annual
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$1.60B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$1.73B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$1.27B	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashAndCashEquivalentsAtCarryingValue`	$1.93B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$1.60B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$1.73B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$1.27B	USD	Point-in-time
Cash and cash equivalents at end of period	`CashAndCashEquivalentsAtCarryingValue`	$1.93B	USD	Point-in-time
Cash paid for interest	`InterestPaid`	$68.00M	USD	Annual
Cash paid for interest	`InterestPaid`	$209.00M	USD	Annual
Cash paid for interest	`InterestPaid`	$77.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$29.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$31.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$47.00M	USD	Annual
Issuance of Common Stock in exchange of member interests in IBG LLC	`StockIssued1`	$49.00M	USD	Annual
Issuance of Common Stock in exchange of member interests in IBG LLC	`StockIssued1`	$132.00M	USD	Annual
Issuance of Common Stock in exchange of member interests in IBG LLC	`StockIssued1`	$56.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-56.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-49.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-132.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$28.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$26.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$25.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-28.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-25.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-26.00M	USD	Annual
Non-cash distribution to noncontrolling interests	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$5.00M	USD	Annual

Stockholders Equity 31 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.18B	USD	Point-in-time
Number of new stock issued during the period (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	1.21M	shares	Annual
Number of new stock issued during the period (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	12.64M	shares	24 Qtrs
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$51.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$50.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$53.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$2.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$5.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$2.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-25.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-26.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-21.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$21.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$25.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$29.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$28.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$26.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$25.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$224.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$227.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$272.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$352.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$858.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$674.00M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.18B	USD	Point-in-time

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