Consolidated Statement of Income (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Premiums	$ 7,380	$ 7,179	$ 21,564	$ 21,022
Net investment income	671	622	1,550	1,852
Fee income	101	121	323	346
Net realized investment gains (losses)	37	23	(48)	101
Other revenues	86	68	195	197
Total revenues	8,275	8,013	23,584	23,518
Claims and expenses
Claims and claim adjustment expenses	4,886	5,230	14,782	14,493
Amortization of deferred acquisition costs	1,207	1,169	3,558	3,420
General and administrative expenses	1,109	1,098	3,367	3,280
Interest expense	87	84	256	261
Total claims and expenses	7,289	7,581	21,963	21,454
Income before income taxes	986	432	1,621	2,064
Income tax expense	159	36	234	315
Net income	$ 827	$ 396	$ 1,387	$ 1,749
Net income per share
Basic (in dollars per share)	$ 3.24	$ 1.52	$ 5.44	$ 6.65
Diluted (in dollars per share)	$ 3.23	$ 1.50	$ 5.41	$ 6.59
Weighted average number of common shares outstanding
Basic (in shares)	253.3	259.2	253.5	261.1
Diluted (in shares)	254.3	261.8	254.5	263.4
Cash dividends declared per common share (in dollars per share)	$ 0.85	$ 0.82	$ 2.52	$ 2.41