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Regulatory Requirements (Summary Of Capital, Capital Requirements And Excess Capital) (Details) $ in Millions | Mar. 31, 2021 USD ($)
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Net Capital / Eligible Equity | $ 8,193
Requirement | 1,458
Excess | 6,735
IB LLC [Member] |
Net Capital / Eligible Equity | 5,211
Requirement | 753
Excess | 4,458
IBKRFS [Member] |
Net Capital / Eligible Equity | 600
Requirement | 21
Excess | 579
IBHK [Member] |
Net Capital / Eligible Equity | 738
Requirement | 264
Excess | 474
Other Regulated Operating Companies [Member] |
Net Capital / Eligible Equity | 1,644
Requirement | 420
Excess | $ 1,224

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- Definition Eligible equity is equal to the sum of audited capital and reserves and the eligible portion of subordinated debt. Net capital is equal to the net worth of the broker dealer, less certain items such as exchange memberships, carrying value of securities not readily marketable, haircuts on marketable securities in proprietary accounts, furniture and equipment and other illiquid assets as defined. + References No definition available. + Details
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- Definition Minimum amount of net capital required to be maintained by broker-dealer parent, calculated under Aggregate Indebtedness Standard. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Rule 15c3-1 -Number 240 -Section 15c3-1 + Details
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- Definition Amount of total risk-based capital exceeding minimum required for capital adequacy as defined by regulatory framework. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 505 -Section 50 -Paragraph 1 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=117337116&loc=SL5958568-112826 + Details
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- Details
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