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Equity And Earnings Per Share (Tables) | 12 Months Ended
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Dec. 31, 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 | 108,931,614 |  | 313,643,354 |  | 422,574,968
Schedule Of Authorized, Issued And Outstanding Shares |
|  | December 31,
|  | 2024 |  | 2023
|  | Authorized |  | Issued |  | Outstanding |  | Authorized |  | Issued |  | Outstanding
Class A common stock |  | 1,000,000,000 |  | 109,061,059 |  | 108,904,613 |  | 1,000,000,000 |  | 107,178,928 |  | 107,045,894
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.
|  | Year-Ended December 31,
|  | 2024 |  | 2023 |  | 2022
|  | (in millions, except share or per share amounts)
Basic earnings per share |  |  |  |  |  |  |  |  |
Net income available for common stockholders |  | $ | 755 |  | $ | 600 |  | $ | 380
Weighted average shares of common stock outstanding |  |  |  |  |  |  |  |  |
Class A |  |  | 108,112,099 |  |  | 104,964,950 |  |  | 100,459,916
Class B |  |  | 100 |  |  | 100 |  |  | 100
|  |  | 108,112,199 |  |  | 104,965,050 |  |  | 100,460,016
Basic earnings per share |  | $ | 6.99 |  | $ | 5.72 |  | $ | 3.78
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.
|  | Year-Ended December 31,
|  | 2024 |  | 2023 |  | 2022
|  | (in millions, except share or per share amounts)
Diluted earnings per share |  |  |  |  |  |  |  |  |
Net income available for common stockholders |  | $ | 755 |  | $ | 600 |  | $ | 380
Weighted average shares of common stock outstanding |  |  |  |  |  |  |  |  |
Class A |  |  |  |  |  |  |  |  |
Issued and outstanding |  |  | 108,112,099 |  |  | 104,964,950 |  |  | 100,459,916
Potentially dilutive common shares |  |  |  |  |  |  |  |  |
Issuable pursuant to employee stock incentive plans |  |  | 890,739 |  |  | 881,827 |  |  | 839,593
Class B |  |  | 100 |  |  | 100 |  |  | 100
|  |  | 109,002,938 |  |  | 105,846,877 |  |  | 101,299,609
Diluted earnings per share |  | $ | 6.93 |  | $ | 5.67 |  | $ | 3.75

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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 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(27)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480008/505-10-S99-1 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-3 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 4 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-4 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-5 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481142/505-10-45-2 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-10 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-8 Reference 11: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480244/480-10-S99-1 Reference 12: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-6 Reference 13: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 505 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481112/505-10-50-7 + Details
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