XML 38 R27.htm IDEA: XBRL DOCUMENT v3.24.1.u1

Equity And Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2024

Equity And Earnings Per Share [Abstract]

IBG LLC Ownership of Member Interests

		IBG, Inc.		Holdings		Total
Ownership %		25.4%		74.6%		100.0%
Membership interests		107,099,483		313,976,354		421,075,837

Earnings Per Share Basic And Diluted

Basic earnings per share is calculated utilizing net income available for common stockholders divided by the weighted average number of shares of Class A and Class B common stock outstanding for that period.

		Three Months Ended March 31,
		2024			2023
		(in millions, except share or per share amounts)
Basic earnings per share
Net income available for common stockholders		$	175		$	148
Weighted average shares of common stock outstanding
Class A			107,070,730			102,958,560
Class B			100			100
			107,070,830			102,958,660
Basic earnings per share		$	1.63		$	1.44

Diluted earnings per share are calculated utilizing the Company’s basic net income available for common stockholders divided by diluted weighted average shares outstanding with no adjustments to net income available to common stockholders for potentially dilutive common shares.

		Three Months Ended March 31,
		2024			2023
		(in millions, except share or per share amounts)
Diluted earnings per share
Net income available for common stockholders		$	175		$	148
Weighted average shares of common stock outstanding
Class A
Issued and outstanding			107,070,730			102,958,560
Potentially dilutive common shares
Issuable pursuant to employee stock incentive plans			1,078,610			1,083,911
Class B			100			100
			108,149,440			104,042,571
Diluted earnings per share		$	1.61		$	1.42

X

- Definition

Tabular disclosure of the ownership of IBG LLC member interests.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

Name:	us-gaap_EquityAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482662/260-10-50-1

+ Details

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