Consolidated Condensed Statements Of Income (USD $) In Millions, except Per Share data	3 Months Ended		9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Revenues:
Insurance premiums	$ 1,732	$ 1,645	$ 4,942	$ 4,868
Net investment income	333	654	1,513	1,797
Investment gains (losses):
Other-than-temporary impairment losses	(75)	(41)	(136)	(189)
Portion of other-than-temporary impairment losses recognized in Other comprehensive income (loss)	(2)	(3)	(44)	28
Net impairment losses recognized in earnings	(77)	(44)	(180)	(161)
Other net investment gains	50	106	195	255
Total investment gains (losses)	(27)	62	15	94
Contract drilling revenues	861	749	2,520	2,405
Other	539	591	1,658	1,736
Total	3,438	3,701	10,648	10,900
Expenses:
Insurance claims and policyholders' benefits	1,400	1,343	4,131	3,798
Amortization of deferred acquisition costs	356	351	1,051	1,038
Contract drilling expenses	392	351	1,142	1,009
Other operating expenses (Note 5)	725	1,271	2,167	2,714
Interest	126	127	406	384
Total	2,999	3,443	8,897	8,943
Income before income tax	439	258	1,751	1,957
Income tax expense	(124)	(84)	(464)	(619)
Income from continuing operations	315	174	1,287	1,338
Discontinued operations, net		(22)		(21)
Net income	315	152	1,287	1,317
Amounts attributable to noncontrolling interests	(153)	(116)	(491)	(495)
Net income attributable to Loews Corporation	162	36	796	822
Net income attributable to Loews Corporation:
Income from continuing operations	162	56	796	841
Discontinued operations, net		(20)		(19)
Net income attributable to Loews Corporation	$ 162	$ 36	$ 796	$ 822
Basic net income per share:
Income from continuing operations	$ 0.41	$ 0.13	$ 1.96	$ 2.00
Discontinued operations, net		$ (0.04)		$ (0.04)
Net income	$ 0.41	$ 0.09	$ 1.96	$ 1.96
Diluted net income per share:
Income from continuing operations	$ 0.40	$ 0.13	$ 1.95	$ 2.00
Discounted operations, net		$ (0.04)		$ (0.04)
Net income	$ 0.40	$ 0.09	$ 1.95	$ 1.96
Dividends per share	$ 0.0625	$ 0.0625	$ 0.1875	$ 0.1875
Weighted-average shares outstanding:
Shares of common stock	401.01	417.67	407.20	419.67
Dilutive potential shares of common stock	0.72	0.80	0.85	0.80
Total weighted-average shares outstanding assuming dilution	401.73	418.47	408.05	420.47