Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Detail)

v2.4.0.8
STOCK-BASED COMPENSATION - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended 3 Months Ended 3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Jun. 30, 2012
Jun. 30, 2013
Employee Stock Option [Member]
Jun. 30, 2012
Employee Stock Option [Member]
Jun. 30, 2013
Nonqualified Stock Options [Member]
Jun. 30, 2012
Nonqualified Stock Options [Member]
Jun. 30, 2013
Long-Term Incentive Performance Award [Member]
Tranches
Mar. 01, 2013
Long-Term Incentive Performance Award [Member]
Jun. 30, 2013
Management Incentive Award [Member]
Apr. 02, 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   $ 84.47 $ 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 $ 131 $ 133 $ 288 $ 295                  
Award vesting period             5 years   3 years   5 years    
Period from grant date to expiration             10 years