Condensed Consolidated Statements of Operations (unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Revenues
Net investment income	$ 421	$ 648
Realized capital gains (losses)	(462)	662
Total revenues	10,076	10,990
Costs and expenses
Property and casualty insurance claims and claims expense	5,341	5,820
Shelter-in-Place Payback expense	210	0
Life contract benefits	501	497
Interest credited to contractholder funds	132	162
Amortization of deferred policy acquisition costs	1,401	1,364
Operating costs and expenses	1,399	1,380
Pension and other postretirement remeasurement (gains) losses	318	15
Restructuring and related charges	5	18
Amortization of purchased intangibles	28	32
Interest expense	81	83
Total costs and expenses	9,416	9,371
Gain on disposition of operations	1	1
Income from operations before income tax expense	661	1,620
Income tax expense	112	328
Net income	549	1,292
Preferred stock dividends	36	31
Net income applicable to common shareholders	$ 513	$ 1,261
Earnings per common share
Net income available to common shareholders per common share - Basic (in dollars per share)	$ 1.62	$ 3.79
Weighted average common shares - Basic (in shares)	317.4	332.6
Net income available to common shareholders per common share - Diluted (in dollars per share)	$ 1.59	$ 3.74
Weighted average common shares - Diluted (in shares)	322.4	337.5
Property and casualty insurance premiums
Revenues
Premiums Earned, Net	$ 9,235	$ 8,802
Life premiums and contract charges
Revenues
Insurance premiums, commissions and fees	617	628
Other revenue
Revenues
Insurance premiums, commissions and fees	$ 265	$ 250