Consolidated Statements of Operations - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues
Net earned premiums	$ 8,175	$ 7,649	$ 7,428
Net investment income	2,159	1,935	2,118
Net investment gains (losses)	120	(54)	29
Non-insurance warranty revenue	1,430	1,252	1,161
Other revenues	24	26	31
Total revenues	11,908	10,808	10,767
Claims, Benefits and Expenses
Insurance claims and policyholders’ benefits	6,349	6,170	5,806
Amortization of deferred acquisition costs	1,443	1,410	1,383
Non-insurance warranty expense	1,328	1,159	1,082
Other operating expenses	1,191	1,126	1,142
Interest	113	122	131
Total claims, benefits and expenses	10,424	9,987	9,544
Income before income tax	1,484	821	1,223
Income tax expense	(282)	(131)	(223)
Net income	$ 1,202	$ 690	$ 1,000
Basic earnings per share
Basic earnings per share (in usd per share)	$ 4.42	$ 2.54	$ 3.68
Diluted earnings per share
Diluted earnings per share (in usd per share)	$ 4.41	$ 2.53	$ 3.67
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic (in shares)	271.8	271.6	271.6
Diluted (in shares)	272.8	272.4	272.5