v2.4.0.6
EQUITY (Details) (USD $)
In Millions, except Share data, unless otherwise specified
3 Months Ended 34 Months Ended
Mar. 31, 2013
Mar. 31, 2013
Common Shares
   
Equity Disclosures    
Authorized amount of issued and outstanding common shares available for repurchase $ 975  
Repurchase of common shares (in shares) 0 8,647,859
Treasury Shares
   
Equity Disclosures    
Repurchase of common shares to date   474