Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenues:
Property and casualty insurance net earned premiums	$ 1,393	$ 1,250	$ 2,695	$ 2,423
Net investment income	168	164	398	352
Realized gains (losses) on securities	(93)	43	(108)	120
Realized gain on subsidiaries	0	4	0	4
Income of managed investment entities:
Investment income	54	44	100	90
Gain (loss) on change in fair value of assets/liabilities	(15)	6	(20)	8
Other income	32	20	62	43
Total revenues	1,539	1,531	3,127	3,040
Costs and Expenses:
Losses and loss adjustment expenses	774	714	1,467	1,381
Commissions and other underwriting expenses	432	390	846	770
Interest charges on borrowed money	23	23	46	47
Expenses of managed investment entities	47	39	86	78
Other expenses	57	77	115	141
Total costs and expenses	1,333	1,243	2,560	2,417
Earnings from continuing operations before income taxes	206	288	567	623
Provision for income taxes	39	48	110	116
Net earnings from continuing operations	167	240	457	507
Net earnings from discontinued operations	0	762	0	914
Net Earnings	$ 167	$ 1,002	$ 457	$ 1,421
Earnings per Basic Common Share:
Basic (USD per share) from continuing operations	$ 1.97	$ 2.83	$ 5.37	$ 5.94
Basic (USD per share) from discontinued operations	0	8.95	0	10.69
Basic (USD per share)	1.97	11.78	5.37	16.63
Earnings per Diluted Common Share:
Diluted (USD per share) from continuing operations	1.96	2.81	5.36	5.90
Diluted (USD per share) from discontinued operations	0	8.89	0	10.61
Diluted (USD per share)	$ 1.96	$ 11.70	$ 5.36	$ 16.51
Average number of Common Shares:
Basic (shares)	85.1	85.0	85.1	85.5
Diluted (shares)	85.3	85.6	85.3	86.1