Consolidated Condensed Statements of Income - USD ($) shares in Thousands, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues:
Insurance premiums	$ 1,815	$ 1,734	$ 3,600	$ 3,379
Net investment income	551	478	1,057	1,082
Investment gains (losses):
Other-than-temporary impairment losses		(2)	(6)	(4)
Other net investment gains (losses)	(3)	45	12	81
Total investment gains (losses)	(3)	43	6	77
Operating revenues and other	1,227	1,104	2,508	2,121
Total	3,590	3,359	7,171	6,659
Expenses:
Insurance claims and policyholders' benefits	1,327	1,280	2,666	2,573
Amortization of deferred acquisition costs	359	312	655	617
Operating expenses and other	1,454	1,281	2,854	2,331
Interest	143	139	284	281
Total	3,283	3,012	6,459	5,802
Income before income tax	307	347	712	857
Income tax expense	(59)	(69)	(84)	(188)
Net income	248	278	628	669
Amounts attributable to noncontrolling interests	(18)	(47)	(105)	(143)
Net income attributable to Loews Corporation	$ 230	$ 231	$ 523	$ 526
Basic net income per share	$ 0.72	$ 0.69	$ 1.62	$ 1.56
Diluted net income per share	0.72	0.69	1.61	1.56
Dividends per share	$ 0.0625	$ 0.0625	$ 0.1250	$ 0.1250
Weighted average shares outstanding:
Shares of common stock	318,870	336,910	323,300	336,900
Dilutive potential shares of common stock	910	810	930	800
Total weighted average shares outstanding assuming dilution	319,780	337,720	324,230	337,700