Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Detail)

v2.4.0.6
STOCK-BASED COMPENSATION - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 3 Months Ended
Mar. 31, 2013
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Employee Stock Option [Member]
Mar. 31, 2012
Employee Stock Option [Member]
Mar. 31, 2013
Nonqualified Stock Options [Member]
Mar. 31, 2012
Nonqualified Stock Options [Member]
Mar. 31, 2013
Long-Term Incentive Performance Award [Member]
Tranches
Mar. 01, 2013
Long-Term Incentive Performance Award [Member]
Mar. 31, 2013
Management Incentive Award [Member]
Feb. 06, 2013
Management Incentive Award [Member]
Stockholders Equity Note [Line Items]                      
Percentage of the award vesting at each anniversary date of the grant           20.00%       20.00%  
Closing New York Stock Exchange price                 $ 82.87   $ 80.80
Percentage of target restricted performance units award that will be divided into three substantially equal tranches in the three-year award cycle from 2011 to 2013               90.00%      
Number of tranches included in award cycle               3      
Number of award tranches for each calendar year               1      
Share-based Compensation Arrangement by Share-based Payment Award, Award Cycle Period   3                  
Remaining target award based upon our achievement of adjusted earnings per share for the year ending 2013 compared to a target established at the beginning of the award cycle               10.00%      
Percentage of achievement used to determine RPUs earned of the target RPUs for each tranche               100.00%      
Stock options granted           0.2          
Grant price of stock options and RPU       $ 15.50 $ 14.88 $ 82.93 $ 76.94        
Compensation expense for share-based awards recognized in net income, pre-tax $ 157 $ 157 $ 162                
Award vesting period           5 years   3 years   5 years  
Period from grant date to expiration           10 years