XML 40 R30.htm IDEA: XBRL DOCUMENT v3.22.1

Collateralized Transactions (Tables)

3 Months Ended

Mar. 31, 2022

Disclosure Collateralized Transactions [Abstract]

Amounts Related To Collateralized Transactions

		March 31, 2022						December 31, 2021
		Permitted			Sold or			Permitted			Sold or
		to Repledge			Repledged			to Repledge			Repledged
		(in millions)
Securities lending transactions		$	66,861		$	7,063		$	69,582		$	6,192
Securities purchased under agreements to resell transactions 1			23,175			21,946			14,715			13,956
Customer margin assets			55,656			15,685			65,899			15,936
		$	145,692		$	44,694		$	150,196		$	36,084

________________________

(1)As of March 31, 2022, $16.9 billion or 77% (as of December 31, 2021, $10.4 billion or 74%) of securities acquired through agreements to resell that are shown as repledged have been deposited in a separate bank account for the exclusive benefit of customers in accordance with SEC Rule 15c3-3.

Financial Instruments Owned and Pledged as Collateral (table)

		March 31,			December 31,
		2022			2021
		(in millions)
Stocks		$	33		$	60
U.S. and foreign government securities			53			54
		$	86		$	114

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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=66007379&loc=d3e113888-111728

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 30
-Section 50
-Paragraph 1A
-URI http://asc.fasb.org/extlink&oid=109249958&loc=SL6224234-111729

+ Details

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