Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2023	Dec. 31, 2022
Investments:
Fixed maturity securities at fair value (amortized cost of $42,414 and $41,032, less allowance for credit loss of $16 and $1)		$ 40,425	$ 37,627	[1]
Equity securities at fair value (cost of $686 and $703)		683	674	[1]
Limited partnership investments		2,174	1,926	[1]
Other invested assets		80	78	[1]
Mortgage loans (less allowance for credit loss of $35 and $24)		1,035	1,040	[1]
Short-term investments		2,165	1,832	[1]
Total investments		46,562	43,177	[1]
Cash		345	475	[1]
Reinsurance receivables (less allowance for uncollectible receivables of $22 and $22)		5,412	5,416	[1]
Insurance receivables (less allowance for uncollectible receivables of $28 and $29)		3,442	3,158	[1]
Accrued investment income		444	402	[1]
Deferred acquisition costs		896	806	[1]
Deferred income taxes		1,016	1,251	[1]
Property and equipment at cost (less accumulated depreciation of $296 and $280)		253	226	[1]
Goodwill		146	144	[1]
Deferred non-insurance warranty acquisition expense		3,661	3,671	[1]
Other assets (includes $23 and $18 due from Loews Corporation)		2,534	2,274	[1]
Total assets		64,711	61,000	[1]
Insurance reserves:
Claim and claim adjustment expenses		23,304	22,120	[1]
Unearned premiums		6,933	6,374	[1]
Future policy benefits		13,959	13,480	[1]
Short-term debt		550	243	[1]
Long-term debt		2,481	2,538	[1]
Deferred non-insurance warranty revenue		4,694	4,714	[1]
Other liabilities (includes $28 and $26 due to Loews Corporation)		2,897	2,983	[1]
Total liabilities		54,818	52,452	[1]
Commitments and contingencies (Notes B and G)	[1]
Stockholders' Equity
Common stock ($2.50 par value; 500,000,000 shares authorized; 273,040,243 shares issued; 270,881,457 and 270,895,902 shares outstanding)		683	683	[1]
Additional paid-in capital		2,221	2,220	[1]
Retained earnings		9,755	9,336	[1]
Accumulated other comprehensive loss		(2,672)	(3,598)	[1]
Treasury stock (2,158,786 and 2,144,341 shares), at cost		(94)	(93)	[1]
Total stockholders’ equity		9,893	8,548	[1]
Total liabilities and stockholders' equity		$ 64,711	$ 61,000	[1]

[1] As of January 1, 2023, the Company adopted ASU 2018-12, Financial Services-Insurance (Topic 944): Targeted Improvements to the Accounting for Long-Duration Contracts (ASU 2018-12) using the modified retrospective method applied as of the transition date of January 1, 2021. Prior period amounts in the financial statements have been adjusted to reflect application of the new guidance. See Note A to the Consolidated Financial Statements for additional information.