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STOCKHOLDERS' EQUITY - Additional Information (Detail) (USD $)
Share data in Millions, except Per Share data, unless otherwise specified
1 Months Ended 6 Months Ended
Apr. 30, 2012
Jun. 30, 2012
Jun. 30, 2011
Equity, Class of Treasury Stock [Line Items]      
Share repurchase authorization In April 2012, the Board of Directors replaced its previously approved share repurchase authorization of up to $1 billion with a new authorization for repurchases of up to $1 billion of our common shares exclusive of shares repurchased in connection with employee stock plans, expiring on June 30, 2014.    
Common shares acquired in connection with employee stock plans, shares   0.6 0.7
Common shares acquired in connection with employee stock plans, amount   $ 52,000,000 $ 48,000,000
Prior Authorization
     
Equity, Class of Treasury Stock [Line Items]      
Share repurchase authorization 1,000,000,000    
Shares repurchased in open market   1.15 3.37
Value of shares repurchased   100,000,000 253,000,000
Shares repurchased in open market, average price   $ 86.95 $ 74.89
$1 Billion Authorization
     
Equity, Class of Treasury Stock [Line Items]      
Expiration Date of April 2012 Authorization   2014-06-30  
Share repurchase authorization 1,000,000,000    
Shares repurchased in open market   1.58  
Value of shares repurchased   126,000,000  
Shares repurchased in open market, average price   $ 79.94  
$1 Billion Authorization | Subsequent Event
     
Equity, Class of Treasury Stock [Line Items]      
Remaining authorized amount under new authorization   $ 874,000,000