CONSOLIDATED CONDENSED STATEMENTS OF EQUITY (Unaudited) - 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, 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	392							370							22
Other comprehensive income (loss)	200										183				17
Dividends paid	(68)							(13)							(55)
Purchase of subsidiary stock from noncontrolling interests	(34)					(3)					(1)				(30)
Purchases of Loews Corporation treasury stock	(380)												(380)
Stock-based compensation	(16)					(34)									18
Other	(2)					(2)
Balance at end of period at Mar. 31, 2025	18,034			2		2,451		16,821			(1,685)		(398)		843
Balance at beginning of period at Dec. 31, 2025	19,641			2		2,374		17,377			(1,067)		0		955
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	354							337							17
Other comprehensive income (loss)	(251)										(231)				(20)
Dividends paid	(68)							(13)							(55)
Purchase of subsidiary stock from noncontrolling interests	(36)					(2)									(34)
Purchases of Loews Corporation treasury stock	(31)												(31)
Stock-based compensation	(18)					(42)									24
Balance at end of period at Mar. 31, 2026	$ 19,591			$ 2		$ 2,330		$ 17,701			$ (1,298)		$ (31)		$ 887