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Investments (Tables) | 12 Months Ended
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Dec. 31, 2024
Investments, Debt and Equity Securities [Abstract] |
Available for sale fixed maturities and equity securities | Available for sale fixed maturities at December 31 consisted of the following (in millions):
| Amortized Cost |  | Allowance for Expected Credit Losses |  | Gross Unrealized |  | Net Unrealized |  | Fair Value
| Gains |  | Losses |  |
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and government agencies | $ | 176 |  |  | $ | — |  |  | $ | — |  |  | $ | (3) |  |  | $ | (3) |  |  | $ | 173 |
States, municipalities and political subdivisions | 905 |  |  | — |  |  | 3 |  |  | (49) |  |  | (46) |  |  | 859 |
Foreign government | 236 |  |  | — |  |  | 2 |  |  | (1) |  |  | 1 |  |  | 237 |
Residential MBS | 2,122 |  |  | 1 |  |  | 22 |  |  | (154) |  |  | (132) |  |  | 1,989 |
Commercial MBS | 51 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 51 |
Collateralized loan obligations | 1,243 |  |  | 4 |  |  | 10 |  |  | (12) |  |  | (2) |  |  | 1,237 |
Other asset-backed securities | 2,412 |  |  | 6 |  |  | 19 |  |  | (69) |  |  | (50) |  |  | 2,356 |
Corporate and other | 3,542 |  |  | 23 |  |  | 42 |  |  | (65) |  |  | (23) |  |  | 3,496 |
Total fixed maturities | $ | 10,687 |  |  | $ | 34 |  |  | $ | 98 |  |  | $ | (353) |  |  | $ | (255) |  |  | $ | 10,398 |
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and government agencies | $ | 243 |  |  | $ | — |  |  | $ | 1 |  |  | $ | (8) |  |  | $ | (7) |  |  | $ | 236 |
States, municipalities and political subdivisions | 1,014 |  |  | — |  |  | 8 |  |  | (38) |  |  | (30) |  |  | 984 |
Foreign government | 236 |  |  | — |  |  | 1 |  |  | (7) |  |  | (6) |  |  | 230 |
Residential MBS | 1,788 |  |  | 1 |  |  | 26 |  |  | (155) |  |  | (129) |  |  | 1,658 |
Commercial MBS | 75 |  |  | — |  |  | — |  |  | (1) |  |  | (1) |  |  | 74 |
Collateralized loan obligations | 1,709 |  |  | 3 |  |  | 9 |  |  | (28) |  |  | (19) |  |  | 1,687 |
Other asset-backed securities | 2,477 |  |  | 5 |  |  | 10 |  |  | (120) |  |  | (110) |  |  | 2,362 |
Corporate and other | 3,210 |  |  | 3 |  |  | 52 |  |  | (113) |  |  | (61) |  |  | 3,146 |
Total fixed maturities | $ | 10,752 |  |  | $ | 12 |  |  | $ | 107 |  |  | $ | (470) |  |  | $ | (363) |  |  | $ | 10,377 |
Equity securities reported at fair value | Equity securities which are reported at fair value with holding gains and losses recognized in net earnings, consisted of the following at December 31 (in millions):
| 2024 |  | 2023
| Actual Cost |  | Fair Value |  | Fair Value Over Cost |  | Actual Cost |  | Fair Value |  | Fair Value Over Cost
Common stocks | $ | 304 |  |  | $ | 336 |  |  | $ | 32 |  |  | $ | 512 |  |  | $ | 586 |  |  | $ | 74 |
Perpetual preferred stocks | 380 |  |  | 415 |  |  | 35 |  |  | 422 |  |  | 432 |  |  | 10 |
Total equity securities carried at fair value | $ | 684 |  |  | $ | 751 |  |  | $ | 67 |  |  | $ | 934 |  |  | $ | 1,018 |  |  | $ | 84 |
Equity method investments | The following table summarizes investments accounted for using the equity method, by strategy (in millions):
| Carrying Value |  | Net Investment Income
| December 31, 2024 |  | December 31, 2023 |  | 2024 |  | 2023 |  | 2022
Real estate-related investments (*) | $ | 1,392 |  |  | $ | 1,320 |  |  | $ | 8 |  |  | $ | 85 |  |  | $ | 233 |
Private equity | 804 |  |  | 457 |  |  | 32 |  |  | 9 |  |  | 32 |
Private debt | 81 |  |  | 37 |  |  | 6 |  |  | 5 |  |  | 2 |
Total investments accounted for using the equity method | $ | 2,277 |  |  | $ | 1,814 |  |  | $ | 46 |  |  | $ | 99 |  |  | $ | 267 |
(*)88% and 92% of the carrying value relates to underlying investments in multi-family properties as of December 31, 2024 and December 31, 2023, respectively.
Gross unrealized losses on securities by investment category and length of time that have been in a continuous unrealized loss position | The following table shows gross unrealized losses (dollars in millions) on available for sale fixed maturities by investment category and length of time that individual securities have been in a continuous unrealized loss position at the following balance sheet dates.
| Less Than Twelve Months |  | Twelve Months or More
Unrealized Loss |  | Fair Value |  | Fair Value as % of Cost |  | Unrealized Loss |  | Fair Value |  | Fair Value as % of Cost
December 31, 2024 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and government agencies | $ | — |  |  | $ | 35 |  |  | 100 | % |  | $ | (3) |  |  | $ | 105 |  |  | 97 | %
States, municipalities and political subdivisions | (5) |  |  | 256 |  |  | 98 | % |  | (44) |  |  | 470 |  |  | 91 | %
Foreign government | — |  |  | 98 |  |  | 100 | % |  | (1) |  |  | 50 |  |  | 98 | %
Residential MBS | (6) |  |  | 452 |  |  | 99 | % |  | (148) |  |  | 916 |  |  | 86 | %
Commercial MBS | — |  |  | 14 |  |  | 100 | % |  | — |  |  | 16 |  |  | 100 | %
Collateralized loan obligations | — |  |  | — |  |  | — | % |  | (12) |  |  | 247 |  |  | 95 | %
Other asset-backed securities | (4) |  |  | 318 |  |  | 99 | % |  | (65) |  |  | 1,201 |  |  | 95 | %
Corporate and other | (10) |  |  | 605 |  |  | 98 | % |  | (55) |  |  | 1,151 |  |  | 95 | %
Total fixed maturities | $ | (25) |  |  | $ | 1,778 |  |  | 99 | % |  | $ | (328) |  |  | $ | 4,156 |  |  | 93 | %
December 31, 2023 |  |  |  |  |  |  |  |  |  |  |
Fixed maturities: |  |  |  |  |  |  |  |  |  |  |
U.S. Government and government agencies | $ | — |  |  | $ | 11 |  |  | 100 | % |  | $ | (8) |  |  | $ | 191 |  |  | 96 | %
States, municipalities and political subdivisions | (1) |  |  | 76 |  |  | 99 | % |  | (37) |  |  | 526 |  |  | 93 | %
Foreign government | — |  |  | — |  |  | — | % |  | (7) |  |  | 207 |  |  | 97 | %
Residential MBS | (1) |  |  | 42 |  |  | 98 | % |  | (154) |  |  | 1,089 |  |  | 88 | %
Commercial MBS | — |  |  | — |  |  | — | % |  | (1) |  |  | 61 |  |  | 98 | %
Collateralized loan obligations | — |  |  | 25 |  |  | 100 | % |  | (28) |  |  | 807 |  |  | 97 | %
Other asset-backed securities | (1) |  |  | 151 |  |  | 99 | % |  | (119) |  |  | 1,663 |  |  | 93 | %
Corporate and other | (4) |  |  | 123 |  |  | 97 | % |  | (109) |  |  | 1,455 |  |  | 93 | %
Total fixed maturities | $ | (7) |  |  | $ | 428 |  |  | 98 | % |  | $ | (463) |  |  | $ | 5,999 |  |  | 93 | %
Roll forward of allowance for credit losses on fixed maturity securities | A progression of the allowance for expected credit losses on available for sale fixed maturity securities is shown below (in millions):
| Structured securities (*) |  | Corporate and other |  | Total
Balance at December 31, 2021 | $ | 8 |  |  | $ | 1 |  |  | $ | 9 |
Provision for expected credit losses on securities with no previous allowance | 4 |  |  | 1 |  |  | 5 |
Reductions to previously recognized expected credit losses | (2) |  |  | — |  |  | (2) |
Reductions due to sales or redemptions | — |  |  | (1) |  |  | (1) |
Balance at December 31, 2022 | 10 |  |  | 1 |  |  | 11 |
Provision for expected credit losses on securities with no previous allowance | 1 |  |  | 8 |  |  | 9 |
Additions (reductions) to previously recognized expected credit losses | 2 |  |  | (1) |  |  | 1 |
Reductions due to sales or redemptions | (4) |  |  | (5) |  |  | (9) |
Balance at December 31, 2023 | 9 |  |  | 3 |  |  | 12 |
Provision for expected credit losses on securities with no previous allowance | 1 |  |  | 25 |  |  | 26 |
Additions to previously recognized expected credit losses | 1 |  |  | — |  |  | 1 |
Reductions due to sales or redemptions | — |  |  | (5) |  |  | (5) |
Balance at December 31, 2024 | $ | 11 |  |  | $ | 23 |  |  | $ | 34 |
(*)Includes MBS, collateralized loan obligations and other asset-backed securities (“ABS”).
Available for sale fixed maturity securities by contractual maturity date | The table below sets forth the scheduled maturities of AFG’s available for sale fixed maturities as of December 31, 2024 (dollars in millions). Securities with sinking funds are reported at average maturity. Actual maturities may differ from contractual maturities because certain securities may be called or prepaid by the issuers.
| Amortized Cost, net (*) |  | Fair Value
| Amount |  | %
Maturity |  |  |  |  |
One year or less | $ | 552 |  |  | $ | 540 |  |  | 5 | %
After one year through five years | 2,738 |  |  | 2,704 |  |  | 26 | %
After five years through ten years | 1,296 |  |  | 1,286 |  |  | 12 | %
After ten years | 250 |  |  | 235 |  |  | 2 | %
| 4,836 |  |  | 4,765 |  |  | 45 | %
Collateralized loan obligations and other ABS (average life of approximately 3 years) | 3,645 |  |  | 3,593 |  |  | 35 | %
MBS (average life of approximately 6 years) | 2,172 |  |  | 2,040 |  |  | 20 | %
Total | $ | 10,653 |  |  | $ | 10,398 |  |  | 100 | %
(*)Amortized cost, net of allowance for expected credit losses.
Net investment income earned and investment expenses incurred | The following table shows (in millions) investment income earned and investment expenses incurred.
| 2024 |  | 2023 |  | 2022
Investment income: |  |  |  |  |
Fixed maturities: |  |  |  |  |
Interest and amortization | $ | 544 |  |  | $ | 502 |  |  | $ | 376 |
Change in fair value (*) | 17 |  |  | (3) |  |  | — |
Equity securities: |  |  |  |  |
Dividends | 29 |  |  | 34 |  |  | 39 |
Change in fair value | 57 |  |  | 36 |  |  | (2) |
Equity in earnings of partnerships and similar investments | 46 |  |  | 99 |  |  | 267 |
Cash and cash equivalents | 56 |  |  | 43 |  |  | 11 |
Other | 53 |  |  | 47 |  |  | 42 |
Gross investment income | 802 |  |  | 758 |  |  | 733 |
Investment expenses | (22) |  |  | (16) |  |  | (16) |
Net investment income | $ | 780 |  |  | $ | 742 |  |  | $ | 717 |
(*)The change in the fair value of fixed maturities classified as trading and derivatives embedded in convertible fixed maturities related to limited partnerships and similar investments.
Realized gains (losses) and changes in unrealized appreciation (depreciation) related to fixed maturity and equity security investments | Realized gains (losses) and changes in unrealized appreciation (depreciation) included in AOCI related to fixed maturity securities are summarized as follows (in millions):
| 2024 |  | 2023
| Realized gains (losses) |  |  |  | Realized gains (losses) |  |
| Before Impairments |  | Impairment Allowance |  | Total |  | Change in Unrealized |  | Before Impairments |  | Impairment Allowance |  | Total |  | Change in Unrealized
Fixed maturities | $ | (5) |  |  | $ | (27) |  |  | $ | (32) |  |  | $ | 108 |  |  | $ | (35) |  |  | $ | (10) |  |  | $ | (45) |  |  | $ | 267 |
Equity securities | 32 |  |  | — |  |  | 32 |  |  | — |  |  | 10 |  |  | — |  |  | 10 |  |  | — |
Mortgage loans and other investments | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | (1) |  |  | (1) |  |  | — |
Total pretax | 27 |  |  | (27) |  |  | — |  |  | 108 |  |  | (25) |  |  | (11) |  |  | (36) |  |  | 267 |
Tax effects | (6) |  |  | 6 |  |  | — |  |  | (23) |  |  | 5 |  |  | 3 |  |  | 8 |  |  | (57) |
Net of tax | $ | 21 |  |  | $ | (21) |  |  | $ | — |  |  | $ | 85 |  |  | $ | (20) |  |  | $ | (8) |  |  | $ | (28) |  |  | $ | 210 |
|  |  | 2022
|  |  |  |  | Realized gains (losses) |  |
|  |  |  |  |  |  |  |  | Before Impairments |  | Impairment Allowance |  | Total |  | Change in Unrealized
Fixed maturities |  |  |  |  |  |  |  |  | $ | (27) |  |  | $ | (3) |  |  | $ | (30) |  |  | $ | (803) |
Equity securities |  |  |  |  |  |  |  |  | (96) |  |  | — |  |  | (96) |  |  | — |
Mortgage loans and other investments |  |  |  |  |  |  |  |  | 10 |  |  | — |  |  | 10 |  |  | — |
Total pretax |  |  |  |  |  |  |  |  | (113) |  |  | (3) |  |  | (116) |  |  | (803) |
Tax effects |  |  |  |  |  |  |  |  | 23 |  |  | 1 |  |  | 24 |  |  | 170 |
Net of tax |  |  |  |  |  |  |  |  | $ | (90) |  |  | $ | (2) |  |  | $ | (92) |  |  | $ | (633) |
Holding gains (losses) on equity securities still held | AFG recorded net holding gains (losses) on equity securities during 2024, 2023 and 2022 on securities that were still owned at December 31 of each year presented as follows (in millions):
| 2024 |  | 2023 |  | 2022
Included in realized gains (losses) | $ | 24 |  |  | $ | (2) |  |  | $ | (95) |
Included in net investment income | 56 |  |  | 36 |  |  | 5 |
| $ | 80 |  |  | $ | 34 |  |  | $ | (90) |
Gross realized gains and losses on available for sale fixed maturity and equity security investments | Gross realized gains and losses (excluding changes in impairment allowance and mark-to-market of derivatives) on available for sale fixed maturity investment transactions consisted of the following (in millions):
| 2024 |  | 2023 |  | 2022
Gross gains | $ | 1 |  |  | $ | 5 |  |  | $ | 3 |
Gross losses | (5) |  |  | (38) |  |  | (18) |

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