Consolidated Condensed Statements of Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Common Stock Held in Treasury [Member]	Noncontrolling Interests [Member]
Beginning Balance at Dec. 31, 2014	$ 24,650	$ 4	$ 3,481	$ 15,515	$ 280		$ 5,370
Net income (loss)	296			279			17
Other comprehensive income (loss)	(254)				(228)		(26)
Dividends paid	(156)			(46)
Dividends paid							(110)
Issuance of equity securities by subsidiary	115		(2)		1		116
Purchases of subsidiary stock from noncontrolling interests	(26)		3				(29)
Purchases of Loews treasury stock	(305)					$ (305)
Issuance of Loews common stock	7		7
Stock-based compensation	12		12
Other	(7)		(18)	(1)			12
Ending Balance at Jun. 30, 2015	24,332	4	3,483	15,747	53	(305)	5,350
Beginning Balance at Mar. 31, 2015					298
Net income (loss)	247
Other comprehensive income (loss)	(274)
Ending Balance at Jun. 30, 2015	24,332	4	3,483	15,747	53	(305)	5,350
Beginning Balance at Dec. 31, 2015	22,810	3	3,184	14,731	(357)		5,249
Net income (loss)	(89)			37			(126)
Other comprehensive income (loss)	533				476		57
Dividends paid	(136)			(42)
Dividends paid							(94)
Purchases of subsidiary stock from noncontrolling interests	(9)		3				(12)
Purchases of Loews treasury stock	(98)					(98)
Stock-based compensation	24		23				1
Other	(4)		(13)	(2)			11
Ending Balance at Jun. 30, 2016	23,031	3	3,197	14,724	119	(98)	5,086
Beginning Balance at Mar. 31, 2016					(126)
Net income (loss)	(288)
Other comprehensive income (loss)	277
Ending Balance at Jun. 30, 2016	$ 23,031	$ 3	$ 3,197	$ 14,724	$ 119	$ (98)	$ 5,086