Schedule I - Condensed Financial Information of Registrant - Parent Company Only, Statement of Cash Flows (Parenthetical) (Detail) (Loews Corporation [Member], USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loews Corporation [Member]
Condensed Financial Statements, Captions [Line Items]
Cash dividends paid to the Company by affiliates	$ 736	$ 676	$ 616