Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Millions, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues
Net earned premiums	$ 2,498	$ 2,347	$ 4,939	$ 4,595
Net investment income	618	575	1,227	1,100
Net investment losses	(10)	(32)	(32)	(67)
Non-insurance warranty revenue	404	407	811	814
Other revenues	9	7	18	14
Total revenues	3,519	3,304	6,963	6,456
Claims, Benefits and Expenses
Insurance claims and policyholders’ benefits (re-measurement loss of $(25), $(33), $(40) and $(34))	1,882	1,779	3,689	3,432
Amortization of deferred acquisition costs	435	403	879	782
Non-insurance warranty expense	388	384	782	768
Other operating expenses	378	346	715	683
Interest	34	31	69	59
Total claims, benefits and expenses	3,117	2,943	6,134	5,724
Income before income tax	402	361	829	732
Income tax expense	(85)	(78)	(174)	(152)
Net income	$ 317	$ 283	$ 655	$ 580
Basic earnings per share
Basic earnings per share (in usd per share)	$ 1.17	$ 1.04	$ 2.41	$ 2.14
Diluted earnings per share
Diluted earnings per share (in usd per share)	$ 1.17	$ 1.04	$ 2.40	$ 2.13
Weighted Average Outstanding Common Stock and Common Stock Equivalents
Basic (in shares)	271.6	271.2	271.6	271.2
Diluted (in shares)	272.6	272.0	272.6	272.1