Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenues:
Property and casualty insurance net earned premiums	$ 1,442	$ 1,327	$ 3,815	$ 3,595
Life, accident and health net earned premiums	6	6	17	18
Net investment income	588	527	1,710	1,552
Realized gains (losses) on securities	(18)	34	222	(28)
Income (loss) of managed investment entities:
Investment income	67	65	206	187
Gain (loss) on change in fair value of assets/liabilities	(14)	(5)	(16)	(10)
Other income	52	54	153	146
Total revenues	2,123	2,008	6,107	5,460
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	944	872	2,359	2,206
Property and casualty insurance: Commissions and other underwriting expenses	450	424	1,275	1,205
Annuity benefits	250	222	900	664
Life, accident and health benefits	9	10	26	32
Annuity and supplemental insurance acquisition expenses	120	71	181	203
Interest charges on borrowed money	17	15	50	46
Expenses of managed investment entities	54	52	168	154
Other expenses	102	98	299	272
Total costs and expenses	1,946	1,764	5,258	4,782
Earnings before income taxes	177	244	849	678
Provision for income taxes	34	41	171	126
Net earnings, including noncontrolling interests	143	203	678	552
Less: Net earnings (losses) attributable to noncontrolling interests	(4)	(1)	(8)	(7)
Net Earnings Attributable to Shareholders	$ 147	$ 204	$ 686	$ 559
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 1.64	$ 2.30	$ 7.65	$ 6.29
Diluted (USD per share)	$ 1.62	$ 2.26	$ 7.55	$ 6.17
Average number of Common Shares:
Basic (shares)	90.0	89.1	89.7	88.9
Diluted (shares)	91.1	90.7	90.9	90.6
Supplemental disclosure of Realized gains on securities:
Realized gains (losses) before impairments	$ (9)	$ 36	$ 235	$ (25)
Losses on securities with impairment	(9)	(2)	(13)	(3)
Non-credit portion recognized in other comprehensive income (loss)	0	0	0	0
Impairment charges recognized in earnings	(9)	(2)	(13)	(3)
Total realized gains (losses) on securities	$ (18)	$ 34	$ 222	$ (28)