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v3.25.1

Segments of Operations | 3 Months Ended
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Mar. 31, 2025
Segment Reporting [Abstract] |
Segments of Operations | Segments of Operations AFG manages its business as two segments: Property and casualty insurance and Other, which includes holding company assets and costs. AFG reports its property and casualty insurance business in the following Specialty sub-segments: (i) Property and transportation, which includes physical damage and liability coverage for buses and trucks and other specialty transportation niches, inland and ocean marine, agricultural-related products and other commercial property coverages, (ii) Specialty casualty, which includes primarily excess and surplus, executive and professional liability, general liability, umbrella and excess liability, specialty coverages in targeted markets, customized programs for small to mid-sized businesses and workers’ compensation insurance, and (iii) Specialty financial, which includes risk management insurance programs for lending and leasing institutions (including equipment leasing and collateral and lender-placed mortgage property insurance), fidelity and surety products and trade credit insurance. AFG’s reportable segments and their components were determined based primarily upon similar economic characteristics, products and services. Historically, AFG reported the results of its internal reinsurance facility (that assumes business from several of AFG’s Specialty P&C businesses) in an Other Specialty sub-segment. Beginning in 2025, to be consistent with how the Chief Operating Decision Makers (“CODMs”) currently view and evaluate AFG’s P&C sub-segments, the internal reinsurance results are included within the same sub-segments as the ceding businesses. The CODMs believe this presentation better reflects the performance of the underlying operating businesses and enhances the financial reporting. Information from prior periods has been recast for consistent presentation. The impacts of all intercompany transactions between segments have been eliminated. AFG’s CODMs are its Co-CEOs. The CODMs evaluate the performance of the Property and casualty insurance segm ent based on return on equity and underwriting profit. The CODMs use this measure to allocate resources and make capital decisions. Sales of property and casualty insurance outside of the United States represented 4% of AFG’s revenues in both the first three months of 2025 and 2024. The following tables (in millions) show AFG’s assets, revenues and earnings before income taxes by segment and sub-segment.
| March 31, 2025 |  | December 31, 2024
Assets |  |  |
Property and casualty insurance (*) | $ | 25,704 |  |  | $ | 25,913 |
Other | 4,590 |  |  | 4,923 |
Total assets | $ | 30,294 |  |  | $ | 30,836 |
(*)Not allocable to sub-segments.
|  |  | Three months ended March 31,
|  |  |  |  | 2025 |  | 2024
Revenues |  |  |  |  |  |  |
Property and casualty insurance: |  |  |  |  |  |  |
Net earned premiums: |  |  |  |  |  |  |
Specialty |  |  |  |  |  |  |
Property and transportation |  |  |  |  | $ | 500 |  |  | $ | 520 |
Specialty casualty |  |  |  |  | 794 |  |  | 783 |
Specialty financial |  |  |  |  | 286 |  |  | 243 |
Total net earned premiums |  |  |  |  | 1,580 |  |  | 1,546 |
Net investment income |  |  |  |  | 170 |  |  | 205 |
Other income |  |  |  |  | 3 |  |  | 2 |
Total property and casualty insurance |  |  |  |  | 1,753 |  |  | 1,753 |
Other |  |  |  |  | 100 |  |  | 139 |
Total revenues before realized gains |  |  |  |  | 1,853 |  |  | 1,892 |
Realized gains on securities |  |  |  |  | 3 |  |  | 14 |
Total revenues |  |  |  |  | $ | 1,856 |  |  | $ | 1,906 |
Earnings Before Income Taxes |  |  |  |  |  |  |
Property and casualty insurance: |  |  |  |  |  |  |
Underwriting: |  |  |  |  |  |  |
Specialty |  |  |  |  |  |  |
Property and transportation |  |  |  |  | $ | 37 |  |  | $ | 60 |
Specialty casualty |  |  |  |  | 20 |  |  | 61 |
Specialty financial |  |  |  |  | 37 |  |  | 33 |
Other lines |  |  |  |  | — |  |  | (1) |
Total underwriting (a) |  |  |  |  | 94 |  |  | 153 |
Investment and other income, net (b) |  |  |  |  | 152 |  |  | 187 |
Total property and casualty insurance |  |  |  |  | 246 |  |  | 340 |
Other (c) |  |  |  |  | (52) |  |  | (50) |
Total earnings before realized gains and income taxes |  |  |  |  | 194 |  |  | 290 |
Realized gains on securities |  |  |  |  | 3 |  |  | 14 |
Total earnings before income taxes |  |  |  |  | $ | 197 |  |  | $ | 304 |
(a)Significant segment expenses, which are losses and loss adjustment expenses and commissions and other underwriting expenses, are shown in the table below by sub-segment. (b)Includes the amortization of intangibles and other miscellaneous expenses. (c)Includes the expenses of the managed investment entities, interest charges on borrowed money, salaries, depreciation and other general expenses.

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- Definition The entire disclosure for reporting segments including data and tables. 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