CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Cumulative Effect, Period of Adoption, Adjustment	Adjusted Balance	Common Stock	Common Stock Adjusted Balance	Additional Paid-in Capital	Additional Paid-in Capital Adjusted Balance	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Retained Earnings Adjusted Balance	Accumulated Other Comprehensive Income (Loss)	Accumulated Other Comprehensive Income (Loss) Adjusted Balance	Common Stock Held in Treasury	Common Stock Held in Treasury Adjusted Balance	Noncontrolling Interests	Noncontrolling Interests Adjusted Balance
Balance at beginning of period at Dec. 31, 2022	$ 15,201			$ 2		$ 2,748		$ 14,931			$ (3,320)		$ (12)		$ 852
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,545							1,434							111
Other comprehensive income	961										884				77
Dividends paid	(131)							(57)							(74)
Purchase of subsidiary stock from noncontrolling interests	(202)					27					(61)				(168)
Purchases of Loews Corporation treasury stock	(852)												(852)
Retirement of treasury stock	0					(164)		(693)					857
Stock-based compensation	26					3									23
Other	(23)					(25)		2
Balance at end of period at Dec. 31, 2023	16,525			2		2,589		15,617			(2,497)		(7)		821
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,494							1,414							80
Other comprehensive income	687										630				57
Dividends paid	(140)							(55)							(85)
Purchase of subsidiary stock from noncontrolling interests	(20)														(20)
Purchases of Loews Corporation treasury stock	(617)												(617)
Retirement of treasury stock	0					(89)		(517)					606
Stock-based compensation	19					(1)									20
Other	(11)					(9)									(2)
Balance at end of period at Dec. 31, 2024	17,937	$ 5	$ 17,942	2	$ 2	2,490	$ 2,490	16,459	$ 5	$ 16,464	(1,867)	$ (1,867)	(18)	$ (18)	871	$ 871
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	1,772							1,667							105
Other comprehensive income	875										801				74
Dividends paid	(138)							(52)							(86)
Purchase of subsidiary stock from noncontrolling interests	(34)					(3)					(1)				(30)
Purchases of Loews Corporation treasury stock	(789)												(789)
Retirement of treasury stock	0					(106)		(701)					807
Stock-based compensation	8					(12)									20
Other	5					5		(1)							1
Balance at end of period at Dec. 31, 2025	$ 19,641			$ 2		$ 2,374		$ 17,377			$ (1,067)		$ 0		$ 955