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Equity And Earnings Per Share (Tables)

3 Months Ended

Mar. 31, 2025

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		108,981,614		313,643,354		422,624,968

Schedule Of Authorized, Issued And Outstanding Shares

		March 31, 2025						December 31, 2024
		Authorized		Issued		Outstanding		Authorized		Issued		Outstanding
Class A common stock		1,000,000,000		109,111,059		108,942,324		1,000,000,000		109,061,059		108,904,613
Class B common stock		100		100		100		100		100		100
Preferred stock		10,000		-		-		10,000		-		-

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,
		2025			2024
		(in millions, except share or per share amounts)
Basic earnings per share
Net income available for common stockholders		$	213		$	175
Weighted average shares of common stock outstanding
Class A			108,923,281			107,070,730
Class B			100			100
			108,923,381			107,070,830
Basic earnings per share		$	1.95		$	1.63

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,
		2025			2024
		(in millions, except share or per share amounts)
Diluted earnings per share
Net income available for common stockholders		$	213		$	175
Weighted average shares of common stock outstanding
Class A
Issued and outstanding			108,923,281			107,070,730
Potentially dilutive common shares
Issuable pursuant to employee stock incentive plans			942,360			1,078,610
Class B			100			100
			109,865,741			108,149,440
Diluted earnings per share		$	1.94		$	1.61

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Tabular disclosure of the ownership of IBG LLC member interests.

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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.

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Tabular disclosure of an entity's stock, including par or stated value per share, number and dollar amount of share subscriptions, shares authorized, shares issued, shares outstanding, number and dollar amount of shares held in an employee trust, dividend per share, total dividends, share conversion features, par value plus additional paid in capital, the value of treasury stock and other information necessary to a fair presentation, and EPS information. Stock by class includes common, convertible, and preferred stocks which are not redeemable or redeemable solely at the option of the issuer. Includes preferred stock with redemption features that are solely within the control of the issuer and mandatorily redeemable stock if redemption is required to occur only upon liquidation or termination of the reporting entity. If more than one issue is outstanding, state the title of each issue and the corresponding dollar amount; dollar amount of any shares subscribed but unissued and the deduction of subscriptions receivable there from; number of shares authorized, issued, and outstanding.

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