XML 60 R49.htm IDEA: XBRL DOCUMENT
v3.23.2

Financial Assets And Financial Liabilities (Financial Assets and Liabilities Not Measured at Fair Value) (Details) - USD ($) $ in Millions | Jun. 30, 2023 | Dec. 31, 2022 | Jun. 30, 2022
--- | --- | --- | ---
Cash and cash equivalents | $ 3,681 | $ 3,436 | $ 2,881
Cash segregated for regulatory purposes | 25,770 | 25,167 | $ 23,536
Securities - segregated for regulatory purposes | 33,457 | 31,781 |
Securities borrowed | 5,999 | 4,749 |
Securities purchased under agreements to resell | 6,431 | 6,029 |
Receivables from customers | 41,966 | 38,760 |
Brokers, dealers and clearing organizations | 1,400 | 3,469 |
Interest Receivable | 391 | 341 |
Other assets | 1,003 | 926 |
Short-term borrowings | 17 | 18 |
Securities loaned | 10,261 | 8,940 |
Customers | 95,999 | 93,195 |
Brokers, dealers and clearing organizations | 376 | 291 |
Interest | 270 | 193 |
at Fair Value |  |  |
Cash and cash equivalents | 3,681 | 3,436 |
Cash segregated for regulatory purposes | 25,770 | 25,167 |
Securities - segregated for regulatory purposes | 27,190 | 27,058 |
Securities borrowed | 5,999 | 4,749 |
Securities purchased under agreements to resell | 6,431 | 6,029 |
Receivables from customers | 41,966 | 38,760 |
Brokers, dealers and clearing organizations | 1,400 | 3,469 |
Interest Receivable | 391 | 341 |
Other assets | 18 | 18 |
Total financial assets, not measured at fair value | 112,846 | 109,027 |
Short-term borrowings | 17 | 18 |
Securities loaned | 10,261 | 8,940 |
Customers | 95,999 | 93,195 |
Brokers, dealers and clearing organizations | 376 | 291 |
Interest | 270 | 193 |
Total financial liabilities, not measured at fair value | 106,923 | 102,637 |
Carrying Value |  |  |
Cash and cash equivalents | 3,681 | 3,436 |
Cash segregated for regulatory purposes | 25,770 | 25,167 |
Securities - segregated for regulatory purposes | 27,190 | 27,058 |
Securities borrowed | 5,999 | 4,749 |
Securities purchased under agreements to resell | 6,431 | 6,029 |
Receivables from customers | 41,966 | 38,760 |
Brokers, dealers and clearing organizations | 1,400 | 3,469 |
Interest Receivable | 391 | 341 |
Other assets | 17 | 17 |
Total financial assets, not measured at fair value | 112,845 | 109,026 |
Short-term borrowings | 17 | 18 |
Securities loaned | 10,261 | 8,940 |
Customers | 95,999 | 93,195 |
Brokers, dealers and clearing organizations | 376 | 291 |
Interest | 270 | 193 |
Total financial liabilities, not measured at fair value | 106,923 | 102,637 |
Level 1 [Member] |  |  |
Cash and cash equivalents | 3,681 | 3,436 |
Cash segregated for regulatory purposes | 25,770 | 25,167 |
Total financial assets, not measured at fair value | 29,451 | 28,603 |
Short-term borrowings |  |  |
Securities loaned |  |  |
Customers |  |  |
Brokers, dealers and clearing organizations |  |  |
Interest |  |  |
Total financial liabilities, not measured at fair value |  |  |
Level 2 [Member] |  |  |
Securities - segregated for regulatory purposes | 27,190 | 27,058 |
Securities borrowed | 5,999 | 4,749 |
Securities purchased under agreements to resell | 6,431 | 6,029 |
Receivables from customers | 41,966 | 38,760 |
Brokers, dealers and clearing organizations | 1,400 | 3,469 |
Interest Receivable | 391 | 341 |
Other assets | 2 | 2 |
Total financial assets, not measured at fair value | 83,379 | 80,408 |
Short-term borrowings | 17 | 18 |
Securities loaned | 10,261 | 8,940 |
Customers | 95,999 | 93,195 |
Brokers, dealers and clearing organizations | 376 | 291 |
Interest | 270 | 193 |
Total financial liabilities, not measured at fair value | 106,923 | 102,637 |
Level 3 [Member] |  |  |
Cash and cash equivalents |  |  |
Cash segregated for regulatory purposes |  |  |
Securities - segregated for regulatory purposes |  |  |
Securities borrowed |  |  |
Securities purchased under agreements to resell |  |  |
Receivables from customers |  |  |
Brokers, dealers and clearing organizations |  |  |
Interest Receivable |  |  |
Other assets | 16 | 16 |
Total financial assets, not measured at fair value | 16 | 16 |
Short-term borrowings |  |  |
Securities loaned |  |  |
Customers |  |  |
Brokers, dealers and clearing organizations |  |  |
Interest |  |  |
Total financial liabilities, not measured at fair value |  |  |

X
- Definition Margin loans to clients stated net of allowance for doubtful accounts. + References No definition available. + Details
Name: | ibkr_ReceivablesFromCustomerNet
Namespace Prefix: | ibkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total Financial Assets Not Measured At Fair Value + References No definition available. + Details
Name: | ibkr_TotalFinancialAssetsNotMeasuredAtFairValue
Namespace Prefix: | ibkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Total Financial Liabilities Not Measured At Fair Value + References No definition available. + Details
Name: | ibkr_TotalFinancialLiabilitiesNotMeasuredAtFairValue
Namespace Prefix: | ibkr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount payable to other broker-dealer and clearing organization, including, but not limited to, security failed-to-receive, deposit received for security loaned, open transaction, and floor-brokerage payable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
Name: | srt_PayablesToBrokerDealersAndClearingOrganizations
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount payable to customer by broker-dealer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Rule 15c3-1 -Number 240 -Section 15c3-1 -Publisher SEC + Details
Name: | srt_PayablesToCustomers
Namespace Prefix: | srt_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483467/210-10-45-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-4 + Details
Name: | us-gaap_CashAndCashEquivalentsAtCarryingValue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cash deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section 50 -Paragraph 1 -SubTopic 210 -Topic 942 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481281/942-210-50-1 + Details
Name: | us-gaap_CashReserveDepositRequiredAndMade
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of interest payable on debt, including, but not limited to, trade payables. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(15)(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.15(5)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_InterestPayableCurrentAndNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 310 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480833/946-310-45-1 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_InterestReceivable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of assets classified as other. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 830 -Name Accounting Standards Codification -Section 55 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480167/946-830-55-12 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(17)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_OtherAssets
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of borrowings classified as other, maturing within one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(13)(a)(4)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(a)(7)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_OtherShortTermBorrowings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount receivable from broker-dealers and clearing organizations, including, but not limited to, securities failed-to-deliver, certain deposits for securities borrowed, open transactions, good faith and margin deposits, commissions and floor brokerage receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 3 -SubTopic 20 -Topic 940 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481833/940-20-45-3 + Details
Name: | us-gaap_ReceivablesFromBrokersDealersAndClearingOrganizations
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after the effects of master netting arrangements, of securities borrowed from entities in exchange for collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481420/860-30-50-1A + Details
Name: | us-gaap_SecuritiesBorrowed
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after the effects of master netting arrangements, of securities loaned to entities in exchange for collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 946 -SubTopic 405 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480191/946-405-45-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(11)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 860 -SubTopic 30 -Section 50 -Paragraph 1A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481420/860-30-50-1A + Details
Name: | us-gaap_SecuritiesLoaned
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount, after the effects of master netting arrangements, of funds outstanding loaned in the form of a security resale agreement between the entity and another party for the purchase and resale of identical or substantially the same securities at a date certain for a specified price. Includes purchases of participations in pools of securities that are subject to a resale agreement, assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-10 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(m)(2)(i)(A)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(3)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
Name: | us-gaap_SecuritiesPurchasedUnderAgreementsToResell
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Securities deposited in a special reserve account for the exclusive benefit of customers pursuant to SEC Regulations. + References No definition available. + Details
Name: | us-gaap_SecuritiesReserveDepositRequiredAndMade
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_EstimateOfFairValueFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByMeasurementBasisAxis=us-gaap_CarryingReportedAmountFairValueDisclosureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |