XML 194 R167.htm IDEA: XBRL DOCUMENT v3.3.1.900
SHARE-BASED COMPENSATION - Narrative (Details) - USD ($)
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Number of shares available for grant 60,652,066    
Compensation expense related to share-based plans $ 24,000,000 $ 53,000,000 $ 27,000,000
Share-based compensation not yet recognized $ 11,000,000    
Unrecognized compensation expense, weighted-average period of recognition 2 years    
Tax benefit recognized in earnings for share-based compensation arrangements $ 5,000,000 $ 17,000,000  
Following IPO | Employee Stock Purchase Plan | Common Stock      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Purchase date, Discount from market price 10.00%    
Percent of compensation eligible to be contributed (as a percent) 10.00%    
Amount of compensation eligible to be contributed $ 25,000    
Time-based restricted stock units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Performance shares      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period 3 years    
Restricted Stock Units or Convertible Bonds | Prior to IPO | Percent Vesting in March 2016      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting percentage 50.00%    
Restricted Stock Units or Convertible Bonds | Prior to IPO | Percent Vesting in March 2017      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Award vesting percentage 50.00%    
Special IPO Awards | Prior to IPO      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Conversion period   30 days  
Restricted Stock Units (RSUs) | RBSG      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares converted   19,390,752  
Restricted Stock Units (RSUs) | Citizens      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares converted   5,249,721  
Shares issued upon conversion of IPO award bonds   524,783  
Material Risk Taker Shares | Omnibus Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Retention period, minimum 3 years    
Retention period, maximum 5 years