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SHAREHOLDERS' EQUITY - Additional Information (Detail) - USD ($)
shares in Millions, $ in Millions
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Stockholders Equity Note [Line Items]    
Common stock, share repurchase, dollar amount $ 848 $ 522
Remaining common stock available for purchase under share repurchase authorizations 16.0  
Share Repurchase Program    
Stockholders Equity Note [Line Items]    
Common stock, share repurchase 13.5 8.1
Common stock, share repurchase, dollar amount $ 833 $ 515