v3.7.0.1
EQUITY - SHARE REPURCHASE PROGRAM (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended 20 Months Ended
Mar. 31, 2016
Dec. 31, 2016
Dec. 31, 2016
May 31, 2015
EQUITY        
Repurchase of common shares for the period $ 181      
Common Shares        
EQUITY        
Authorized amount of issued and outstanding common shares available for repurchase       $ 500
Repurchase of common shares (in shares)   3,296,230 4,707,440  
Repurchase of common shares for the period   $ 200 $ 300