v2.4.1.9
Statutory Capital Requirements And Dividend Restrictions (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Statutory Capital Requirements And Dividend Restrictions [Abstract]    
Statutory capital and surplus $ 1,699us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance $ 1,280us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusBalance
Required minimum aggregate statutory capital and surplus $ 851us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired $ 686us-gaap_StatutoryAccountingPracticesStatutoryCapitalAndSurplusRequired