Statutory Accounting (Tables)
12 Months Ended
Dec. 31, 2016
Statutory Accounting [Abstract]  
Unassigned Surplus and Net Income of the Regulated Subsidiaries
The following table sets forth the combined net admitted assets, capital and surplus, RBC requirement, which is our statutory capital and surplus requirement, and net income for the regulated subsidiaries at December 31, 2016, 2015 and 2014:

(dollar amounts in millions)
 
2016
  
2015
  
2014
 
          
Net admitted assets
 
$
1,829
  
$
1,881
  
$
1,734
 
Capital and surplus
  
638
   
691
   
659
 
RBC requirement
  
278
   
301
   
209
 
Net income
  
24
   
73
   
88