CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Thousands, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revenues:
Insurance premiums	$ 8,667	$ 8,175	$ 7,649
Net investment income	1,802	2,259	1,995
Investment gains (losses)	(199)	660	(1,246)
Non-insurance warranty revenue	1,574	1,430	1,252
Operating revenues and other	2,200	2,133	2,933
Total	14,044	14,657	12,583
Expenses:
Insurance claims and policyholders’ benefits	6,386	6,349	6,170
Amortization of deferred acquisition costs	1,490	1,443	1,410
Non-insurance warranty expense	1,471	1,328	1,159
Operating expenses and other	3,077	2,957	4,720
Equity method (income) loss	(139)	(26)	73
Interest	378	424	515
Total	12,663	12,475	14,047
Income (loss) before income tax	1,381	2,182	(1,464)
Income tax (expense) benefit	(278)	(479)	173
Net income (loss)	1,103	1,703	(1,291)
Amounts attributable to noncontrolling interests	(91)	(125)	360
Net income (loss) attributable to Loews Corporation	$ 1,012	$ 1,578	$ (931)
Basic net income (loss) per share (in dollars per share)	$ 4.17	$ 6.08	$ (3.32)
Diluted net income (loss) per share (in dollars per share)	$ 4.16	$ 6.07	$ (3.32)
Basic weighted average number of shares outstanding (in shares)	242,830	259,670	280,320
Diluted weighted average number of shares outstanding (in shares)	243,280	260,200	280,320