Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Federal income taxes received from (paid to) Loews	$ 75	$ 10	$ 298
Unrecognized tax benefits
Interest income (expense)	2
Unrecognized Tax Benefits, Income Tax Penalties Accrued
Accrued interest and penalties
Deferred tax liabilities not recognized on undistributed earnings	4
Undistributed earnings of foreign subsidiaries	12
Foreign tax expense (benefit) on income from continuing operations	34	27	50
Income (loss) from continuing foreign operations	88	75	91
Operating loss carryforwards	9
Operating loss carryforwards, expiration dates	2014
Tax credit carryforward, amount	4
Valuation allowance