Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $) In Millions, except Share data, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Statement of Financial Position [Abstract]
Fixed maturities securities at amortized cost	$ 37,510	$ 39,311
Equity securities at cost	197	179
Allowance for uncollectible reinsurance receivables	49	71
Allowance for uncollectible insurance receivables	67	84
Accumulated depreciation on property and equipment	362	365
Other liabilities payable to Loews Corporation	$ 91	$ 178
Common stock, par value	$ 2.50	$ 2.50
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	273,040,243	273,040,243
Common stock, shares outstanding	269,947,912	269,717,583
Treasury stock, shares	3,092,331	3,322,660