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Long-Term Debt (Details 1) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Summary showing division of total long term debt    
Obligations secured by real estate $ 60 $ 61
Long-term debt 1,062 913
Senior unsecured obligations [Member]
   
Summary showing division of total long term debt    
Unsecured obligations 852 852
Subordinated unsecured obligations [Member]
   
Summary showing division of total long term debt    
Unsecured obligations $ 150 $ 0