10-K Filing

Interactive Brokers Group, Inc. CIK: 1381197 FY 2024

Filing Information

Form Type	10-K
Accession Number	`0001381197-25-000036`
Period End Date	20241231
Filing Date	20250227
Fiscal Year	2024
Fiscal Period	FY
XBRL Instance	ibkr-20241231x10k_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 144 Income Statement 186 Cash Flow Statement 286 Stockholders Equity 72

Balance Sheet 144 line items

Line Item	Tag	Value	Unit	Period
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivable`	$10.00M	USD	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivable`	$10.00M	USD	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivable`	$25.00M	USD	Point-in-time
Allowance for credit losses	`AllowanceForDoubtfulAccountsReceivable`	$25.00M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.75B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.75B	USD	Point-in-time
Accumulated other comprehensive income tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Accumulated other comprehensive income tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.44B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.44B	USD	Point-in-time
Accumulated other comprehensive income tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Accumulated other comprehensive income tax	`AccumulatedOtherComprehensiveIncomeLossTax`	-	USD	Point-in-time
Treasury stock shares	`TreasuryStockCommonShares`	156,446.00	shares	Point-in-time
Treasury stock shares	`TreasuryStockCommonShares`	156,446.00	shares	Point-in-time
Treasury stock shares	`TreasuryStockCommonShares`	133,034.00	shares	Point-in-time
Treasury stock shares	`TreasuryStockCommonShares`	133,034.00	shares	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$25.17B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$25.17B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$36.60B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$36.60B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$28.84B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$28.84B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$27.85B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$27.85B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$35.39B	USD	Point-in-time
Securities - segregated for regulatory purposes	`SecuritiesReserveDepositRequiredAndMade`	$35.39B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$5.37B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$5.37B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$5.83B	USD	Point-in-time
Securities borrowed	`SecuritiesBorrowed`	$5.83B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$6.58B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$6.58B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$5.50B	USD	Point-in-time
Securities purchased under agreements to resell	`SecuritiesPurchasedUnderAgreementsToResell`	$5.50B	USD	Point-in-time
Financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$1.92B	USD	Point-in-time
Financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$1.92B	USD	Point-in-time
Financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$1.49B	USD	Point-in-time
Financial instruments owned, at fair value	`FinancialInstrumentsOwnedAtFairValue`	$1.49B	USD	Point-in-time
Customers, less allowance for credit losses of $25 and $10 as of December 31, 2024 and December 31, 2023	`ReceivablesFromCustomerNet`	$44.47B	USD	Point-in-time
Customers, less allowance for credit losses of $25 and $10 as of December 31, 2024 and December 31, 2023	`ReceivablesFromCustomerNet`	$44.47B	USD	Point-in-time
Customers, less allowance for credit losses of $25 and $10 as of December 31, 2024 and December 31, 2023	`ReceivablesFromCustomerNet`	$64.43B	USD	Point-in-time
Customers, less allowance for credit losses of $25 and $10 as of December 31, 2024 and December 31, 2023	`ReceivablesFromCustomerNet`	$64.43B	USD	Point-in-time
Brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$2.20B	USD	Point-in-time
Brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$2.20B	USD	Point-in-time
Brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$1.64B	USD	Point-in-time
Brokers, dealers and clearing organizations	`ReceivablesFromBrokersDealersAndClearingOrganizations`	$1.64B	USD	Point-in-time
Interest	`InterestReceivable`	$446.00M	USD	Point-in-time
Interest	`InterestReceivable`	$446.00M	USD	Point-in-time
Interest	`InterestReceivable`	$375.00M	USD	Point-in-time
Interest	`InterestReceivable`	$375.00M	USD	Point-in-time
Total receivables	`ReceivablesNet`	$46.49B	USD	Point-in-time
Total receivables	`ReceivablesNet`	$46.49B	USD	Point-in-time
Total receivables	`ReceivablesNet`	$67.07B	USD	Point-in-time
Total receivables	`ReceivablesNet`	$67.07B	USD	Point-in-time
Other assets	`OtherAssets`	$955.00M	USD	Point-in-time
Other assets	`OtherAssets`	$955.00M	USD	Point-in-time
Other assets	`OtherAssets`	$1.12B	USD	Point-in-time
Other assets	`OtherAssets`	$1.12B	USD	Point-in-time
Total assets	`Assets`	$150.14B	USD	Point-in-time
Total assets	`Assets`	$150.14B	USD	Point-in-time
Total assets	`Assets`	$128.25B	USD	Point-in-time
Total assets	`Assets`	$128.25B	USD	Point-in-time
Short-term borrowings	`OtherShortTermBorrowings`	$14.00M	USD	Point-in-time
Short-term borrowings	`OtherShortTermBorrowings`	$14.00M	USD	Point-in-time
Short-term borrowings	`OtherShortTermBorrowings`	$17.00M	USD	Point-in-time
Short-term borrowings	`OtherShortTermBorrowings`	$17.00M	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$11.35B	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$11.35B	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$16.25B	USD	Point-in-time
Securities loaned	`SecuritiesLoaned`	$16.25B	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$193.00M	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$193.00M	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$293.00M	USD	Point-in-time
Financial instruments sold, not yet purchased, at fair value	`FinancialInstrumentsSoldNotYetPurchasedAtFairValue`	$293.00M	USD	Point-in-time
Customers	`PayablesToCustomers`	$115.34B	USD	Point-in-time
Customers	`PayablesToCustomers`	$115.34B	USD	Point-in-time
Customers	`PayablesToCustomers`	$101.01B	USD	Point-in-time
Customers	`PayablesToCustomers`	$101.01B	USD	Point-in-time
Brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$476.00M	USD	Point-in-time
Brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$476.00M	USD	Point-in-time
Brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$590.00M	USD	Point-in-time
Brokers, dealers and clearing organizations	`PayablesToBrokerDealersAndClearingOrganizations`	$590.00M	USD	Point-in-time
Affiliate	`OtherLiabilities`	$195.00M	USD	Point-in-time
Affiliate	`OtherLiabilities`	$195.00M	USD	Point-in-time
Affiliate	`OtherLiabilities`	$210.00M	USD	Point-in-time
Affiliate	`OtherLiabilities`	$210.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$504.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$504.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$665.00M	USD	Point-in-time
Accounts payable, accrued expenses and other liabilities	`AccruedLiabilitiesCurrentAndNoncurrent`	$665.00M	USD	Point-in-time
Interest	`InterestPayableCurrentAndNoncurrent`	$311.00M	USD	Point-in-time
Interest	`InterestPayableCurrentAndNoncurrent`	$311.00M	USD	Point-in-time
Interest	`InterestPayableCurrentAndNoncurrent`	$311.00M	USD	Point-in-time
Interest	`InterestPayableCurrentAndNoncurrent`	$311.00M	USD	Point-in-time
Total payables	`OtherPayables`	$116.99B	USD	Point-in-time
Total payables	`OtherPayables`	$116.99B	USD	Point-in-time
Total payables	`OtherPayables`	$102.63B	USD	Point-in-time
Total payables	`OtherPayables`	$102.63B	USD	Point-in-time
Total liabilities	`Liabilities`	$114.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$114.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$133.54B	USD	Point-in-time
Total liabilities	`Liabilities`	$133.54B	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments, contingencies and guarantees (see Note 14)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.82B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.82B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.73B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$1.73B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.85B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.85B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.52B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$2.52B	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $0 as of December 31, 2024 and December 31, 2023	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $0 as of December 31, 2024 and December 31, 2023	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-45.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $0 as of December 31, 2024 and December 31, 2023	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$8.00M	USD	Point-in-time
Accumulated other comprehensive income, net of income taxes of $0 and $0 as of December 31, 2024 and December 31, 2023	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$8.00M	USD	Point-in-time
Treasury stock, at cost, 156,446 and 133,034 shares as of December 31, 2024 and December 31, 2023	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Treasury stock, at cost, 156,446 and 133,034 shares as of December 31, 2024 and December 31, 2023	`TreasuryStockValue`	$3.00M	USD	Point-in-time
Treasury stock, at cost, 156,446 and 133,034 shares as of December 31, 2024 and December 31, 2023	`TreasuryStockValue`	$7.00M	USD	Point-in-time
Treasury stock, at cost, 156,446 and 133,034 shares as of December 31, 2024 and December 31, 2023	`TreasuryStockValue`	$7.00M	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.28B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$4.28B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.58B	USD	Point-in-time
Total stockholders' equity	`StockholdersEquity`	$3.58B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$10.48B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$10.48B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$12.32B	USD	Point-in-time
Noncontrolling interests	`MinorityInterest`	$12.32B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$128.25B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$128.25B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$150.14B	USD	Point-in-time
Total liabilities and stockholders' equity	`LiabilitiesAndStockholdersEquity`	$150.14B	USD	Point-in-time

Income Statement 186 line items

Line Item	Tag	Value	Unit	Period
Commissions	`BrokerageCommissionsRevenue`	$1.70B	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$1.70B	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$1.36B	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$1.36B	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$1.32B	USD	Annual
Commissions	`BrokerageCommissionsRevenue`	$1.32B	USD	Annual
Other fees and services	`OtherFeesAndServices`	$197.00M	USD	Annual
Other fees and services	`OtherFeesAndServices`	$197.00M	USD	Annual
Other fees and services	`OtherFeesAndServices`	$280.00M	USD	Annual
Other fees and services	`OtherFeesAndServices`	$280.00M	USD	Annual
Other fees and services	`OtherFeesAndServices`	$184.00M	USD	Annual
Other fees and services	`OtherFeesAndServices`	$184.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$60.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$60.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$-107.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$-107.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$-11.00M	USD	Annual
Other income (loss)	`OtherIncomeLoss`	$-11.00M	USD	Annual
Total non-interest income	`NoninterestIncome`	$1.40B	USD	Annual
Total non-interest income	`NoninterestIncome`	$1.40B	USD	Annual
Total non-interest income	`NoninterestIncome`	$2.04B	USD	Annual
Total non-interest income	`NoninterestIncome`	$2.04B	USD	Annual
Total non-interest income	`NoninterestIncome`	$1.55B	USD	Annual
Total non-interest income	`NoninterestIncome`	$1.55B	USD	Annual
Interest income	`InterestIncomeOperating`	$7.34B	USD	Annual
Interest income	`InterestIncomeOperating`	$7.34B	USD	Annual
Interest income	`InterestIncomeOperating`	$2.69B	USD	Annual
Interest income	`InterestIncomeOperating`	$2.69B	USD	Annual
Interest income	`InterestIncomeOperating`	$6.23B	USD	Annual
Interest income	`InterestIncomeOperating`	$6.23B	USD	Annual
Interest expense	`InterestExpenseOperating`	$3.44B	USD	Annual
Interest expense	`InterestExpenseOperating`	$3.44B	USD	Annual
Interest expense	`InterestExpenseOperating`	$1.02B	USD	Annual
Interest expense	`InterestExpenseOperating`	$1.02B	USD	Annual
Interest expense	`InterestExpenseOperating`	$4.19B	USD	Annual
Interest expense	`InterestExpenseOperating`	$4.19B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$3.15B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$3.15B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$2.79B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$2.79B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$1.67B	USD	Annual
Total net interest income	`InterestIncomeExpenseNet`	$1.67B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$5.18B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$5.18B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$4.34B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$4.34B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$3.07B	USD	Annual
Total net revenues	`RevenuesNetOfInterestExpense`	$3.07B	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$386.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$386.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$447.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$447.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$324.00M	USD	Annual
Execution, clearing and distribution fees	`ExecutionAndClearing`	$324.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$454.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$454.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$527.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$527.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$574.00M	USD	Annual
Employee compensation and benefits	`LaborAndRelatedExpense`	$574.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$99.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$99.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$101.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$101.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$90.00M	USD	Annual
Occupancy, depreciation and amortization	`OccupancyDepreiationAndAmortization`	$90.00M	USD	Annual
Communications	`Communication`	$41.00M	USD	Annual
Communications	`Communication`	$41.00M	USD	Annual
Communications	`Communication`	$33.00M	USD	Annual
Communications	`Communication`	$33.00M	USD	Annual
Communications	`Communication`	$39.00M	USD	Annual
Communications	`Communication`	$39.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$165.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$165.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$211.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$211.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$314.00M	USD	Annual
General and administrative	`SellingGeneralAndAdministrativeExpense`	$314.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$3.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$3.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$15.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$15.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$7.00M	USD	Annual
Customer bad debt	`CustomerBadDebt`	$7.00M	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.49B	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.49B	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.27B	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.27B	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.07B	USD	Annual
Total non-interest expenses	`NoninterestExpense`	$1.07B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.00B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$2.00B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.07B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.07B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.69B	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$3.69B	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$156.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$156.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$288.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$288.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$257.00M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$257.00M	USD	Annual
Net income	`ProfitLoss`	$3.41B	USD	Annual
Net income	`ProfitLoss`	$3.41B	USD	Annual
Net income	`ProfitLoss`	$2.81B	USD	Annual
Net income	`ProfitLoss`	$2.81B	USD	Annual
Net income	`ProfitLoss`	$1.84B	USD	Annual
Net income	`ProfitLoss`	$1.84B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.46B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.46B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.65B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.65B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.21B	USD	Annual
Less net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.21B	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$755.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$755.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$380.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$380.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$600.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$600.00M	USD	Annual
Basic	`EarningsPerShareBasic`	$5.72	USD	Annual
Basic	`EarningsPerShareBasic`	$5.72	USD	Annual
Basic	`EarningsPerShareBasic`	$6.99	USD	Annual
Basic	`EarningsPerShareBasic`	$6.99	USD	Annual
Basic	`EarningsPerShareBasic`	$3.78	USD	Annual
Basic	`EarningsPerShareBasic`	$3.78	USD	Annual
Diluted	`EarningsPerShareDiluted`	$6.93	USD	Annual
Diluted	`EarningsPerShareDiluted`	$6.93	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.75	USD	Annual
Diluted	`EarningsPerShareDiluted`	$3.75	USD	Annual
Diluted	`EarningsPerShareDiluted`	$5.67	USD	Annual
Diluted	`EarningsPerShareDiluted`	$5.67	USD	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	100.46M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	100.46M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	104.97M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	104.97M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	108.11M	shares	Annual
Weighted Average Number of Shares Outstanding, Basic	`WeightedAverageNumberOfSharesOutstandingBasic`	108.11M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	101.30M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	101.30M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	105.85M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	105.85M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	109.00M	shares	Annual
Weighted Average Number of Shares Outstanding, Diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	109.00M	shares	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$755.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$755.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$380.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$380.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$600.00M	USD	Annual
Net income available for common stockholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$600.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-53.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-53.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$30.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$30.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-26.00M	USD	Annual
Cumulative translation adjustment, before income taxes	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax`	$-26.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-26.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-26.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-53.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$-53.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.00M	USD	Annual
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent`	$30.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$630.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$630.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$702.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$702.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$354.00M	USD	Annual
Comprehensive income available for common stockholders	`ComprehensiveIncomeNetOfTax`	$354.00M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.46B	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.46B	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.65B	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.65B	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.21B	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.21B	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-85.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-85.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-154.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$-154.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$92.00M	USD	Annual
Other comprehensive income - cumulative translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToNoncontrollingInterest`	$92.00M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.50B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.50B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.38B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.38B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.30B	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.30B	USD	Annual

Cash Flow Statement 286 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$3.41B	USD	Annual
Net income	`ProfitLoss`	$3.41B	USD	Annual
Net income	`ProfitLoss`	$2.81B	USD	Annual
Net income	`ProfitLoss`	$2.81B	USD	Annual
Net income	`ProfitLoss`	$1.84B	USD	Annual
Net income	`ProfitLoss`	$1.84B	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$20.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$20.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$30.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$30.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-2.00M	USD	Annual
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-2.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$58.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$58.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$65.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$65.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$67.00M	USD	Annual
Depreciation and amortization	`DepreciationAmortizationAndAccretionNet`	$67.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$29.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$29.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$26.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$26.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$29.00M	USD	Annual
Amortization of right-of-use assets	`OperatingLeaseRightOfUseAssetAmortizationExpense`	$29.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$100.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$100.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$92.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$92.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$112.00M	USD	Annual
Employee stock plan compensation	`ShareBasedCompensation`	$112.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$-8.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$-8.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$12.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$12.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$14.00M	USD	Annual
Unrealized (gains) losses on other investments, net	`UnrealizedChangesOnOtherInvestmentsNet`	$14.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$-10.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$-10.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$6.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$6.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$7.00M	USD	Annual
Gain on remeasurement of Tax Receivable Agreement liability	`GainOnRemeasurementOfTaxReceivableAgreementLiability`	$7.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-7.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-7.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-15.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-15.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-3.00M	USD	Annual
Customer bad debt expense	`OtherNoncashIncomeExpense`	$-3.00M	USD	Annual
Impairment loss	`OtherAssetImpairmentCharges`	$1.00M	USD	Annual
Impairment loss	`OtherAssetImpairmentCharges`	$1.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$12.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$12.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$9.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$9.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$23.00M	USD	Annual
Shares distributed to customers under IBKR Promotions	`SharesDistributedToCustomersUnderPromotions`	$23.00M	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$16.66B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$16.66B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$3.60B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$3.60B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$-7.54B	USD	Annual
Securities - segregated for regulatory purposes	`IncreaseDecreaseInMarketableSecuritiesRestricted`	$-7.54B	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$837.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$837.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$1.09B	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$1.09B	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-466.00M	USD	Annual
Securities borrowed	`IncreaseDecreaseInSecuritiesBorrowed`	$-466.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.65B	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.65B	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-525.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$-525.00M	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.07B	USD	Annual
Securities purchased under agreements to resell	`IncreaseDecreaseInSecuritiesPurchasedUnderAgreementsToResell`	$1.07B	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$1.03B	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$1.03B	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$434.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$434.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-189.00M	USD	Annual
Financial instruments owned, at fair value	`IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities`	$-189.00M	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-5.72B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-5.72B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$16.17B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$16.17B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-19.98B	USD	Annual
Receivables from customers	`IncreaseDecreaseInReceivablesFromCustomersNet`	$-19.98B	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-1.79B	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-1.79B	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-88.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-88.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$624.00M	USD	Annual
Other receivables	`IncreaseDecreaseInOtherReceivables`	$624.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-35.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-35.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$203.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$203.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$103.00M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$103.00M	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$2.41B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$2.41B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$-2.83B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$-2.83B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$4.90B	USD	Annual
Securities loaned	`IncreaseDecreaseInSecuritiesLoanedTransactions`	$4.90B	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$47.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$47.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$100.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$100.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$-36.00M	USD	Annual
Financial instruments sold but not yet purchased, at fair value	`IncreaseDecreaseInFinancialInstrumentsSoldNotYetPurchased`	$-36.00M	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$14.33B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$14.33B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$7.56B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$7.56B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$7.82B	USD	Annual
Payable to customers	`IncreaseDecreaseInPayablesToCustomers`	$7.82B	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$44.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$44.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-119.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$-119.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$468.00M	USD	Annual
Other payables	`IncreaseDecreaseInOtherAccountsPayableAndAccruedLiabilities`	$468.00M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.54B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$4.54B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.97B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$3.97B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$8.72B	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$8.72B	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$40.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$40.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$5.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$5.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$26.00M	USD	Annual
Purchases of other investments	`PaymentsToAcquireOtherInvestments`	$26.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$23.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$23.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$45.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$45.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$7.00M	USD	Annual
Distributions received and proceeds from sales of other investments	`ProceedsFromSaleMaturityAndCollectionsOfInvestments`	$7.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$49.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$49.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$69.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$69.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$49.00M	USD	Annual
Purchase of property, equipment and intangible assets	`PaymentsForProceedsFromProductiveAssets`	$49.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-52.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-52.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-67.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-67.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-44.00M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-44.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-1.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-1.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-3.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-3.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-9.00M	USD	Annual
Short-term borrowings, net	`ProceedsFromRepaymentsOfShortTermDebtMaturingInMoreThanThreeMonths`	$-9.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$92.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$92.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$40.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$40.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$42.00M	USD	Annual
Dividends paid to stockholders	`PaymentsOfDividendsCommonStock`	$42.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$715.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$715.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$404.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$404.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$556.00M	USD	Annual
Distributions to noncontrolling interests	`PaymentsOfDividendsMinorityInterest`	$556.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$54.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$54.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$34.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$34.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$20.00M	USD	Annual
Repurchases of common stock for employee tax withholdings	`RepurchasesOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$20.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$56.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$56.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$23.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$23.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$34.00M	USD	Annual
Proceeds from sales of treasury stock	`ProceedsFromSaleOfTreasuryStock`	$34.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$25.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$25.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$25.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$25.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$20.00M	USD	Annual
Payments made under the Tax Receivable Agreement	`TaxReceivableAgreementPayments`	$20.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-470.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-470.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-833.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-833.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-624.00M	USD	Annual
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-624.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-111.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-111.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-207.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-207.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$122.00M	USD	Annual
Effect of exchange rate changes on cash, cash equivalents and restricted cash	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$122.00M	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$7.64B	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$7.64B	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.32B	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.32B	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.99B	USD	Annual
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$3.99B	USD	Annual
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash, cash equivalents and restricted cash at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash, cash equivalents and restricted cash at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.63B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.75B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.75B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.44B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.44B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$25.17B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$25.17B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$36.60B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$36.60B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$28.84B	USD	Point-in-time
Cash segregated for regulatory purposes	`CashReserveDepositRequiredAndMade`	$28.84B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$25.28B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$28.60B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$32.59B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$40.23B	USD	Point-in-time
Cash paid for interest	`InterestPaidNet`	$833.00M	USD	Annual
Cash paid for interest	`InterestPaidNet`	$833.00M	USD	Annual
Cash paid for interest	`InterestPaidNet`	$3.32B	USD	Annual
Cash paid for interest	`InterestPaidNet`	$3.32B	USD	Annual
Cash paid for interest	`InterestPaidNet`	$4.19B	USD	Annual
Cash paid for interest	`InterestPaidNet`	$4.19B	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$148.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$148.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$279.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$279.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$228.00M	USD	Annual
Cash paid for taxes, net	`IncomeTaxesPaidNet`	$228.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$39.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$39.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$32.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$32.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$35.00M	USD	Annual
Cash paid for amounts included in lease liabilities	`CashPaidForAmountsIncludedInLeaseLiabilities`	$35.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$39.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$39.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$192.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$192.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$229.00M	USD	Annual
Issuance of common stock in exchange of member interests in IBG LLC	`StockIssued1`	$229.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$192.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$192.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$229.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$229.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$39.00M	USD	Annual
Redemption of member interests from IBG Holdings LLC	`MinorityInterestDecreaseFromRedemptions`	$39.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$41.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$41.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$33.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$33.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$27.00M	USD	Annual
Adjustments to additional paid-in capital for changes in proportionate ownership in IBG LLC	`ConsolidationControllingOwnershipInterestChangesNet`	$27.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-33.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-33.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-41.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-41.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-27.00M	USD	Annual
Adjustments to noncontrolling interests for changes in proportionate ownership in IBG LLC	`ConsolidationNonControllingOwnershipInterestChangesNet`	$-27.00M	USD	Annual
Non-cash distribution to noncontrolling interests	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$1.00M	USD	Annual
Non-cash distribution to noncontrolling interests	`OtherSignificantNoncashTransactionValueOfConsiderationGiven1`	$1.00M	USD	Annual

Stockholders Equity 72 line items

Line Item	Tag	Value	Unit	Period
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	Annual
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	Annual
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	1 Quarter
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	1 Quarter
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.25	USD	3 Qtrs
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.25	USD	3 Qtrs
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	Annual
Dividend per share	`CommonStockDividendsPerShareCashPaid`	$0.10	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$9.00M	USD	Annual
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$9.00M	USD	Annual
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$22.00M	USD	Annual
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$22.00M	USD	Annual
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$12.00M	USD	Annual
Net distribution of common stocks - IBKR Promotion	`NetDistributionOfCommonStockPromotion`	$12.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$92.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$92.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$100.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$100.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$112.00M	USD	Annual
Compensation for stock grants vesting in the future	`AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationRestrictedStockUnitsRequisiteServicePeriodRecognition`	$112.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$4.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$4.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$3.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$3.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$1.00M	USD	Annual
Deferred tax benefit retained - follow-on offering	`PeriodIncreaseTaxSavingsRetained`	$1.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-20.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-20.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-54.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-54.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-34.00M	USD	Annual
Repurchase of common stock for employee tax withholding under stock incentive plans	`RepurchaseOfCommonStockForEmployeeTaxWithholdingUnderStockIncentivePlans`	$-34.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$23.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$23.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$34.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$34.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$56.00M	USD	Annual
Sales of treasury stock	`StockIssuedDuringPeriodValueTreasuryStockReissued`	$56.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$40.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$40.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$92.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$92.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$42.00M	USD	Annual
Dividends paid to stockholders	`DividendsCommonStock`	$42.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$556.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$556.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$405.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$405.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$715.00M	USD	Annual
Distributions from IBG LLC to noncontrolling interests	`MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders`	$715.00M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$1.73B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$3.20B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.93B	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$2.93B	USD	Annual
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$14.07B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$16.60B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.62B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time
Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.22B	USD	Point-in-time

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