XML 41 R30.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Collateralized Transactions (Tables)

3 Months Ended

Mar. 31, 2024

Disclosure Collateralized Transactions [Abstract]

Amounts Related To Collateralized Transactions

		March 31, 2024						December 31, 2023
		Permitted			Sold or			Permitted			Sold or
		to Repledge			Repledged			to Repledge			Repledged
		(in millions)
Securities lending transactions		$	107,930		$	9,292		$	97,210		$	8,437
Securities purchased under agreements to resell transactions 1			30,129			29,065			35,198			34,825
Customer margin assets			64,002			24,666			54,847			17,234
		$	202,061		$	63,023		$	187,255		$	60,496

________________________

(1)As of March 31, 2024, $23.3 billion or 80% (as of December 31, 2023, $29.6 billion or 85%) of securities purchased under agreements to resell were segregated to satisfy regulatory requirements and are included in “Securities – segregated for regulatory purposes” in the condensed consolidated statements of financial condition.

Financial Instruments Owned and Pledged as Collateral (table)

		March 31,			December 31,
		2024			2023
		(in millions)
Stocks		$	25		$	28
U.S. and foreign government securities			37			38
		$	62		$	66

X

- Definition

Amounts Related to Collateralized Transactions [table]

+ References

No definition available.

+ Details

Name:	ibkr_CollateralizedTransactionsTableTextBlock
Namespace Prefix:	ibkr_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ibkr_DisclosureCollateralizedTransactionsAbstract
Namespace Prefix:	ibkr_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of financial instruments held by the entity for its own account for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions. Description may include equity, fixed income, debt or other securities.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481444/860-30-45-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 860
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481420/860-30-50-1A

+ Details

Name:	us-gaap_ScheduleOfFinancialInstrumentsOwnedAndPledgedAsCollateralTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration