Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues
Net earned premiums	$ 1,815	$ 1,734	$ 3,600	$ 3,379
Net investment income	506	475	996	1,020
Net realized investment (losses) gains:
Other-than-temporary impairment losses	0	(2)	(6)	(4)
Other net realized investment (losses) gains	(1)	52	17	90
Net realized investment (losses) gains	(1)	50	11	86
Non-insurance warranty revenue (Note J)	248	98	486	191
Other revenues	6	9	16	20
Total revenues	2,574	2,366	5,109	4,696
Claims, Benefits and Expenses
Insurance claims and policyholders’ benefits	1,327	1,280	2,666	2,573
Amortization of deferred acquisition costs	359	312	655	617
Non-insurance warranty expense (Note J)	225	72	441	142
Other operating expenses	298	292	601	568
Interest	35	40	70	83
Total claims, benefits and expenses	2,244	1,996	4,433	3,983
Income before income tax	330	370	676	713
Income tax expense	(60)	(98)	(115)	(181)
Net income	$ 270	$ 272	$ 561	$ 532
Basic earnings per share (in usd per share)	$ 0.99	$ 1.01	$ 2.07	$ 1.96
Diluted earnings per share (in usd per share)	0.99	1.00	2.06	1.96
Dividends declared per share (in usd per share)	$ 0.30	$ 0.25	$ 2.6	$ 2.5
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic (in shares)	271.5	271.1	271.5	271.0
Diluted (in shares)	272.4	271.9	272.4	271.9