10-K Filing

Interactive Brokers Group, Inc. CIK: 1381197 FY 2018

Filing Information

Form Type	10-K
Accession Number	`0001140361-19-004097`
Period End Date	20181231
Filing Date	20190228
Fiscal Year	2018
Fiscal Period	FY
XBRL Instance	ibkr-20181231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 79 Income Statement 91 Cash Flow Statement 130 Stockholders Equity 31

Balance Sheet 79 line items

Line Item	Tag	Value	Unit	Period
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivable`	$42.00M	USD	Point-in-time
Allowance for doubtful accounts	`AllowanceForDoubtfulAccountsReceivable`	$40.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.93B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$1.73B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.60B	USD	Point-in-time
Cash - segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$5.62B	USD	Point-in-time
Cash - segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$6.55B	USD	Point-in-time
Cash - segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$7.50B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$15.60B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$13.69B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$3.33B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$2.96B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$2.04B	USD	Point-in-time
Accumulated Other Comprehensive Income, Tax	`AccumulatedOtherComprehensiveIncomeLossTax`	$1.00M	USD	Point-in-time
Accumulated Other Comprehensive Income, Tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$1.24B	USD	Point-in-time
Treasury stock shares	`TreasuryStockShares`	129,448.00	shares	Point-in-time
Treasury stock shares	`TreasuryStockShares`	133,294.00	shares	Point-in-time
Financial instruments owned	`FinancialInstrumentsOwnedAndNotPledgedAtFairValue`	$1.93B	USD	Point-in-time
Financial instruments owned	`FinancialInstrumentsOwnedAndNotPledgedAtFairValue`	$1.95B	USD	Point-in-time
Financial instruments owned and pledged as collateral	`FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue`	$1.20B	USD	Point-in-time
Financial instruments owned and pledged as collateral	`FinancialInstrumentsOwnedAndPledgedAsCollateralAtFairValue`	$188.00M	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`	$2.12B	USD	Point-in-time
Customers, less allowance for doubtful accounts of $42 and $40 as of December 31, 2018 and 2017	`ReceivablesFromCustomerNet`	$27.02B	USD	Point-in-time
Customers, less allowance for doubtful accounts of $42 and $40 as of December 31, 2018 and 2017	`ReceivablesFromCustomerNet`	$29.82B	USD	Point-in-time
Receivables from brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$823.00M	USD	Point-in-time
Receivables from brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$706.00M	USD	Point-in-time
Interest receivable	`InterestReceivable`	$141.00M	USD	Point-in-time
Interest receivable	`InterestReceivable`	$116.00M	USD	Point-in-time
Total receivables	`ReceivablesNet`	$27.86B	USD	Point-in-time
Total receivables	`ReceivablesNet`	$30.76B	USD	Point-in-time
Other assets	`OtherAssets`	$296.00M	USD	Point-in-time
Other assets	`OtherAssets`	$292.00M	USD	Point-in-time
Total assets	`Assets`	$60.55B	USD	Point-in-time
Total assets	`Assets`	$54.67B	USD	Point-in-time
Total assets	`Assets`	$61.16B	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$15.00M	USD	Point-in-time
Short-term borrowings	`ShortTermBorrowings`	$17.00M	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$4.04B	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$4.44B	USD	Point-in-time
Securities sold under agreements to repurchase	`SecuritiesSoldUnderAgreementsToRepurchase`	-	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`	$681.00M	USD	Point-in-time
Payable to customers	`PayablesToCustomers`	$47.99B	USD	Point-in-time
Payable to customers	`PayablesToCustomers`	$47.55B	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`	$298.00M	USD	Point-in-time
Affiliate	`DueToAffiliateCurrentAndNoncurrent`	$187.00M	USD	Point-in-time
Affiliate	`DueToAffiliateCurrentAndNoncurrent`	$171.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$147.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$153.00M	USD	Point-in-time
Interest Payable	`InterestPayableCurrentAndNoncurrent`	$41.00M	USD	Point-in-time
Interest Payable	`InterestPayableCurrentAndNoncurrent`	$22.00M	USD	Point-in-time
Total payables	`OtherPayables`	$48.19B	USD	Point-in-time
Total payables	`OtherPayables`	$48.66B	USD	Point-in-time
Total liabilities	`Liabilities`	$53.39B	USD	Point-in-time
Total liabilities	`Liabilities`	$54.73B	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 13)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$898.00M	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`	$390.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $1 as of December 31, 2018 and December 31, 2017	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-4.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $1 as of December 31, 2018 and December 31, 2017	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$9.00M	USD	Point-in-time
Treasury stock, at cost, 129,448 and 133,294 shares as of December 31, 2018 and December 31, 2017	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Treasury stock, at cost, 129,448 and 133,294 shares as of December 31, 2018 and December 31, 2017	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.09B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$1.28B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$5.87B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$5.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.16B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$61.16B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$60.55B	USD	Point-in-time

Income Statement 91 line items

Line Item	Tag	Value	Unit	Period
Commissions	`BrokerageCommissionsRevenue`	$777.00M	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$612.00M	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$647.00M	USD	Annual
Interest income	`InterestIncomeOperating`	$1.39B	USD	Annual
Interest income	`InterestIncomeOperating`	$908.00M	USD	Annual
Interest income	`InterestIncomeOperating`	$606.00M	USD	Annual
Trading gains	`TradingGainsLosses`	$39.00M	USD	Annual
Trading gains	`TradingGainsLosses`	$40.00M	USD	Annual
Trading gains	`TradingGainsLosses`	$163.00M	USD	Annual
Other income	`OtherIncomeLoss`	$158.00M	USD	Annual
Other income	`OtherIncomeLoss`	$94.00M	USD	Annual
Other income	`OtherIncomeLoss`	$332.00M	USD	Annual
Total revenues	`Revenues`	$1.48B	USD	Annual
Total revenues	`Revenues`	$2.37B	USD	Annual
Total revenues	`Revenues`	$1.93B	USD	Annual
Interest expense	`InterestExpensePL`	$79.00M	USD	Annual
Interest expense	`InterestExpensePL`	$463.00M	USD	Annual
Interest expense	`InterestExpensePL`	$225.00M	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.70B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.40B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$1.90B	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$244.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$269.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$241.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$249.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$242.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$264.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$51.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$47.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$49.00M	USD	Annual
Communications	`Communication`	$30.00M	USD	Annual
Communications	`Communication`	$28.00M	USD	Annual
Communications	`Communication`	$25.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$62.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$96.00M	USD	Annual
General and administrative	`OtherNoninterestExpense`	$86.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$4.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$2.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$6.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$653.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$635.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$707.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$761.00M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.20B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$1.05B	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$62.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$71.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$256.00M	USD	Annual
Net income	`ProfitLoss`	$793.00M	USD	Annual
Net income	`ProfitLoss`	$1.12B	USD	Annual
Net income	`ProfitLoss`	$699.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$615.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$717.00M	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$956.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$169.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$76.00M	USD	Annual
Basic	`EarningsPerShareBasic`	$1.09	USD	Annual
Basic	`EarningsPerShareBasic`	$2.30	USD	Annual
Basic	`EarningsPerShareBasic`	$1.28	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.25	USD	Annual
Diluted	`EarningsPerShareDiluted`	$1.07	USD	Annual
Diluted	`EarningsPerShareDiluted`	$2.28	USD	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	69.93M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	73.44M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	66.01M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	67.30M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.90M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	74.27M	shares	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$84.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$169.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$76.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$11.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-14.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-4.00M	USD	Annual
Income taxes related to items of other comprehensive income	`OtherComprehensiveIncomeLossTax`	$-1.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$11.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-13.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-4.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$87.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$80.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$156.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$615.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$717.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$956.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-66.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-21.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$54.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$890.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$594.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$771.00M	USD	Annual

Cash Flow Statement 130 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$793.00M	USD	Annual
Net income	`ProfitLoss`	$1.12B	USD	Annual
Net income	`ProfitLoss`	$699.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$147.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$21.00M	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`	$26.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$51.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$53.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$58.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$4.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$-1.00M	USD	Annual
Unrealized (gain) loss on other investments, net	`IncomeLossFromInvestments`	$-2.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$3.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$93.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-4.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-6.00M	USD	Annual
Bad debt expense	`OtherNoncashIncomeExpense`	$-2.00M	USD	Annual
Impairment loss	`OtherAssetImpairmentCharges`	$21.00M	USD	Annual
Impairment loss	`OtherAssetImpairmentCharges`	$1.00M	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$1.91B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$-4.71B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$2.62B	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-295.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-672.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$374.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-84.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-793.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.92B	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$647.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-1.03B	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-886.00M	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-2.37B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-10.41B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$2.80B	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-92.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-158.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$342.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-11.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-3.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$3.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$-407.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$151.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$1.40B	USD	Annual
Securities sold under agreement to repurchase	`IncreaseDecreaseInPayablesUnderRepurchaseAgreements`	$1.32B	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`	$-86.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$-1.38B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$445.00M	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$5.82B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$4.65B	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$40.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$132.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-177.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$2.36B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$635.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.06B	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$17.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$22.00M	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`	$1.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$38.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$36.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$27.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$28.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-57.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-6.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-26.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$-59.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$2.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebt`	$74.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$28.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$29.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividends`	$26.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$339.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$219.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$272.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$45.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$26.00M	USD	Annual
Repurchases of common stock for employee tax withholding under stock incentive plans	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$21.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$25.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$21.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$40.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$15.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$28.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$17.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-189.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-374.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-399.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-25.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-79.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents, and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$65.00M	USD	Annual
Net increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$730.00M	USD	Annual
Net increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$1.82B	USD	Annual
Net increase in cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$415.00M	USD	Annual
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.13B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.10B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.28B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.55B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.13B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.10B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.28B	USD	Point-in-time
Cash, cash equivalents, and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.55B	USD	Point-in-time
Cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.13B	USD	Point-in-time
Cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$10.10B	USD	Point-in-time
Cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$8.28B	USD	Point-in-time
Cash, cash equivalents, and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$7.55B	USD	Point-in-time
Cash paid for interest	`InterestPaidNet`	$209.00M	USD	Annual
Cash paid for interest	`InterestPaidNet`	$444.00M	USD	Annual
Cash paid for interest	`InterestPaidNet`	$77.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$47.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$50.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$29.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$94.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$56.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$49.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-56.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-94.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$-49.00M	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`	$28.00M	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`	$-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`	$-28.00M	USD	Annual
Non-cash distribution to noncontrolling interests	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$5.00M	USD	Annual
Non-cash distribution to noncontrolling interests	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$11.00M	USD	Annual

Stockholders Equity 31 line items

Line Item	Tag	Value	Unit	Period
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.16B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time
Issuance of common stock in follow-on offering (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	1.54M	shares	Annual
Issuance of common stock in follow-on offering (in shares)	`StockIssuedDuringPeriodSharesNewIssues`	13.86M	shares	28 Qtrs
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$53.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$58.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$51.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$2.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$2.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$3.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-21.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-45.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-26.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$21.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$40.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$25.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$26.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$28.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$29.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$272.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$350.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$224.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.05B	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$674.00M	USD	Annual
Comprehensive Income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$858.00M	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$7.16B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$6.43B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.34B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$5.82B	USD	Point-in-time

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