CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues:
Insurance premiums	$ 10,211	$ 9,480	$ 8,667
Net investment income	2,780	2,395	1,802
Investment losses	(81)	(53)	(199)
Non-insurance warranty revenue	1,609	1,624	1,574
Operating revenues and other	2,991	2,455	2,200
Total	17,510	15,901	14,044
Expenses:
Insurance claims and policyholders’ benefits (re-measurement loss of $(125), $(88), and $(214))	7,738	7,068	6,653
Amortization of deferred acquisition costs	1,798	1,644	1,490
Non-insurance warranty expense	1,547	1,544	1,471
Operating expenses and other	4,170	3,393	3,077
Equity method income	(58)	(120)	(139)
Interest	441	376	378
Total	15,636	13,905	12,930
Income (loss) before income tax	1,874	1,996	1,114
Income tax expense	(380)	(451)	(223)
Net income (loss)	1,494	1,545	891
Amounts attributable to noncontrolling interests	(80)	(111)	(69)
Net income (loss) attributable to Loews Corporation	$ 1,414	$ 1,434	$ 822
Basic net income per share (in dollars per share)	$ 6.42	$ 6.30	$ 3.39
Diluted net income per share (in dollars per share)	$ 6.41	$ 6.29	$ 3.38
Basic weighted average number of shares outstanding (in shares)	220,260	227,480	242,830
Diluted weighted average number of shares outstanding (in shares)	220,530	227,810	243,280