Consolidated Statement of Earnings (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Revenues:
Property and casualty insurance net earned premiums	$ 1,200	$ 1,161	$ 2,373	$ 2,268
Life, accident and health net earned premiums	5	6	11	12
Net investment income	580	530	1,122	1,025
Realized gains (losses) on securities	56	31	240	(62)
Income (loss) of managed investment entities:
Investment income	70	64	139	122
Loss on change in fair value of assets/liabilities	(2)	(2)	(2)	(5)
Other income	51	43	101	92
Total revenues	1,960	1,833	3,984	3,452
Costs and Expenses:
Property and casualty insurance: Losses and loss adjustment expenses	723	693	1,415	1,334
Property and casualty insurance: Commissions and other underwriting expenses	426	400	825	781
Annuity benefits	339	260	650	442
Life, accident and health benefits	8	11	17	22
Annuity and supplemental insurance acquisition expenses	33	50	61	132
Interest charges on borrowed money	17	16	33	31
Expenses of managed investment entities	59	54	114	102
Other expenses	96	89	197	174
Total costs and expenses	1,701	1,573	3,312	3,018
Earnings before income taxes	259	260	672	434
Provision for income taxes	50	52	137	85
Net earnings, including noncontrolling interests	209	208	535	349
Less: Net earnings (losses) attributable to noncontrolling interests	(1)	(2)	(4)	(6)
Net Earnings Attributable to Shareholders	$ 210	$ 210	$ 539	$ 355
Earnings Attributable to Shareholders per Common Share:
Basic (USD per share)	$ 2.34	$ 2.36	$ 6.02	$ 3.99
Diluted (USD per share)	$ 2.31	$ 2.31	$ 5.94	$ 3.92
Average number of Common Shares:
Basic (shares)	89.7	89.0	89.6	88.8
Diluted (shares)	91.0	90.7	90.8	90.5
Supplemental disclosure of Realized gains on securities:
Realized gains (losses) before impairments	$ 58	$ 31	$ 244	$ (61)
Losses on securities with impairment	(2)	0	(4)	(1)
Non-credit portion recognized in other comprehensive income (loss)	0	0	0	0
Impairment charges recognized in earnings	(2)	0	(4)	(1)
Total realized gains (losses) on securities	$ 56	$ 31	$ 240	$ (62)