Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Revenues:
Net earned premiums	$ 1,580	$ 1,546
Net investment income	173	198
Realized gains on securities	3	14
Income of managed investment entities:
Investment income	76	99
Gain (loss) on change in fair value of assets/liabilities	(3)	10
Other income	27	39
Total revenues	1,856	1,906
Costs and Expenses:
Losses and loss adjustment expenses	965	912
Commissions and other underwriting expenses	530	503
Interest charges on borrowed money	19	19
Expenses of managed investment entities	68	92
Other expenses	77	76
Total costs and expenses	1,659	1,602
Earnings before income taxes	197	304
Provision for income taxes	43	62
Net Earnings	$ 154	$ 242
Earnings per Common Share:
Total basic earnings (USD per share)	$ 1.84	$ 2.89
Total diluted earnings (USD per share)	$ 1.84	$ 2.89
Average number of Common Shares:
Basic (shares)	83.8	83.7
Diluted (shares)	83.8	83.8