Consolidated Condensed Statements of Equity (USD $) In Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Common Stock Held in Treasury [Member]	Noncontrolling Interests [Member]
Beginning Balance at Dec. 31, 2013	$ 24,906	$ 4	$ 3,607	$ 15,508	$ 339		$ 5,448
Net income	184			59			125
Other comprehensive income	250				224		26
Dividends paid	(130)			(24)			(106)
Purchases of subsidiary stock from noncontrolling interests	(82)		(8)				(74)
Purchases of Loews treasury stock	(24)					(24)
Issuance of Loews common stock	5		5
Stock-based compensation	9						9
Other	(1)			(2)			1
Ending Balance at Mar. 31, 2014	25,117	4	3,604	15,541	563	(24)	5,429
Beginning Balance at Dec. 31, 2014	24,650	4	3,481	15,515	280		5,370
Net income	49			109			(60)
Other comprehensive income	20				17		3
Dividends paid	(105)			(23)			(82)
Issuance of equity securities by subsidiary	109		(2)		1		110
Purchases of subsidiary stock from noncontrolling interests	(26)		3				(29)
Purchases of Loews treasury stock	(71)					(71)
Issuance of Loews common stock	7		7
Stock-based compensation	5		5
Other	(8)		(17)	(1)			10
Ending Balance at Mar. 31, 2015	$ 24,630	$ 4	$ 3,477	$ 15,600	$ 298	$ (71)	$ 5,322