Goodwill and Other Intangibles	9 Months Ended
Sep. 30, 2026
Intangible Asset, Goodwill and Other [Abstract]
Goodwill and Other Intangibles	Goodwill and Other Intangibles There were no changes in the goodwill balance of $327 million during the first nine months of 2026. Included in other assets in AFG’s Balance Sheet is $174 million at September 30, 2026 and $189 million at December 31, 2025 of amortizable intangible assets related to acquisitions. These amounts are net of accumulated amortization of $90 million and $75 million, respectively. Amortization of intangibles was $5 million in both the third quarter of 2026 and 2025 and $15 million in both the first nine months of 2026 and 2025. In the third quarter of 2025, AFG wrote off $2 million of amortizable intangible assets that became obsolete in connection with certain changes in AFG’s business (included in realized gains (losses) on subsidiaries in AFG’s Statement of Earnings).

Goodwill and Other Intangibles

9 Months Ended

Sep. 30, 2026

Intangible Asset, Goodwill and Other [Abstract]

There were no changes in the goodwill balance of $327 million during the first nine months of 2026.

Included in other assets in AFG’s Balance Sheet is $174 million at September 30, 2026 and $189 million at December 31, 2025 of amortizable intangible assets related to acquisitions. These amounts are net of accumulated amortization of $90 million and $75 million, respectively. Amortization of intangibles was $5 million in both the third quarter of 2026 and 2025 and $15 million in both the first nine months of 2026 and 2025. In the third quarter of 2025, AFG wrote off $2 million of amortizable intangible assets that became obsolete in connection with certain changes in AFG’s business (included in realized gains (losses) on subsidiaries in AFG’s Statement of Earnings).