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Equity And Earnings Per Share (Tables)

9 Months Ended

Sep. 30, 2024

Equity And Earnings Per Share [Abstract]

IBG LLC Ownership of Member Interests

		IBG, Inc.		Holdings		Total
Ownership %		25.8%		74.2%		100.0%
Membership interests		108,879,779		313,643,354		422,523,133

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 September 30,						Nine Months Ended September 30,
		2024			2023			2024			2023
		(in millions, except share or per share amounts)
Basic earnings per share
Net income available for common stockholders		$	184		$	167		$	538		$	440
Weighted average shares of common stock outstanding
Class A			108,757,891			106,233,457			107,852,497			104,271,821
Class B			100			100			100			100
			108,757,991			106,233,557			107,852,597			104,271,921
Basic earnings per share		$	1.68		$	1.57		$	4.98		$	4.22

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 September 30,						Nine Months Ended September 30,
		2024			2023			2024			2023
		(in millions, except share or per share amounts)
Diluted earnings per share
Net income available for common stockholders		$	184		$	167		$	538		$	440
Weighted average shares of common stock outstanding
Class A
Issued and outstanding			108,757,891			106,233,457			107,852,497			104,271,821
Potentially dilutive common shares
Issuable pursuant to employee stock incentive plans			778,369			777,870			921,598			912,651
Class B			100			100			100			100
			109,536,360			107,011,427			108,774,195			105,184,572
Diluted earnings per share		$	1.67		$	1.56		$	4.94		$	4.19

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- Definition

Tabular disclosure of the ownership of IBG LLC member interests.

+ References

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- 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

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