Financial Performance - Net income for Q3 2024 was 1.26billion,a212404 million in Q3 2023, resulting in diluted earnings per share of 5.42,up2111.74 [162]. - Net earned premiums reached 10.70billioninQ32024,a109.72 billion in Q3 2023, and 31.07billionforthefirstninemonths,a1227.79 billion [166]. - Net investment income for Q3 2024 was 904million,an18769 million in Q3 2023, and 2.64billionforthefirstninemonths,a232.14 billion [169]. - Total capital returned to shareholders was 496million,including253 million in share repurchases and 243millionindividends[158].−Segmentincomeforthefirstninemonthsof2024was2.12 billion, a 30% increase from 1.63billioninthesameperiodof2023[199].ClaimsandExpenses−ClaimsandclaimadjustmentexpensesinQ32024were7.00 billion, a decrease of 153millionor221.03 billion, an increase of 690millionor31.46 billion, an increase of 148millionor118.03 billion, resulting in a debt-to-total capital ratio of 22.5% [158]. - The company's invested assets totaled 95.45billionasofSeptember30,2024,with9483.99 billion, maintaining a weighted average credit quality of "Aa2" [287]. - The company held 12.00billioninresidentialmortgage−backedsecuritiesasofSeptember30,2024,upfrom7.82 billion in December 2023 [289]. - The company plans to continue returning capital to shareholders, with dividends and share repurchases likely not exceeding net income over time [315]. Premiums and Underwriting - Gross written premiums for Business Insurance increased to 18.73billioninthefirstninemonthsof2024,up917.18 billion in 2023 [192]. - Total gross written premiums for the first nine months of 2024 were 35.32billion,a932.52 billion in the same period of 2023 [193]. - Domestic automobile net written premiums were 2.14billioninQ32024,a66.00 billion in the first nine months of 2024, a 9% increase from the same period in 2023 [262]. - The underwriting expense ratio for the first nine months of 2024 was 39.7%, an increase of 2.7 points from 37.0% in the same period of 2023 [232]. - The combined ratio for Q3 2024 was 92.5%, a decrease of 17.5 points from 110.0% in Q3 2023 [255]. Catastrophe and Environmental Claims - Catastrophe losses in Q3 2024 were 939million,comparedto850 million in Q3 2023, while total catastrophe losses for the first nine months were 3.16billion,upfrom2.87 billion [162]. - The company holds gross claims and claim adjustment expense reserves totaling 2.22billionforasbestosandenvironmentalclaimsasofSeptember30,2024[337].−Thecompanyincreaseditsnetenvironmentalreservesby21 million in Q3 2024 and 58millioninthefirstninemonthsof2024,comparedto26 million and 74millioninthesameperiodsof2023[280].−Netasbestospaidlossandlossexpenseswere201 million in the first nine months of 2024, up from 156millioninthesameperiodof2023[274].−ThepreliminaryestimateforHurricaneMilton′sincurredlossesisbetween75 million and $175 million for Q4 2024, after reinsurance and before taxes [302]. Market and Competitive Environment - The property and casualty insurance market is expected to remain competitive for new business through 2025, affecting underwriting profitability [299]. - The Company anticipates strong retention levels for expiring premiums during the remainder of 2024 and into 2025 [298]. - The company is focused on strategic initiatives to improve growth, profitability, and competitiveness, including advancements in artificial intelligence [343]. - The company is exposed to risks from high levels of catastrophe losses and changing climate conditions, which could adversely affect its financial position [344]. - The company is subject to regulatory risks that could affect profitability and growth, including changes in tax regulations [348].