Quarterly report pursuant to Section 13 or 15(d)

STOCK-BASED COMPENSATION - Additional Information (Detail)

v2.3.0.15
STOCK-BASED COMPENSATION - Additional Information (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2011
Jun. 30, 2011
Mar. 31, 2011
Sep. 30, 2010
Jun. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Mar. 01, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
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%          
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%          
Closing New York Stock Exchange price               $ 72.35
Vesting (exercisable) period of awards   5 years            
Percentage of the award vesting at each anniversary date of the grant   20.00%            
Options expiration after the date of grant (in years)   10 years            
Stock options granted   0.2     0.2      
Restricted performance unit ("RPU") granted   1.6     1.8      
Grant price of stock options and RPU   $ 74.25     $ 67.18      
Fair value of Stock options granted   $ 15.92     $ 14.83      
Compensation expense for share-based awards recognized in net income, pre-tax $ 130     $ 111   $ 402 $ 349  
Minimum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Percentage of achievement used to determine RPUs earned of the target RPUs for each tranche     100.00%          
Maximum
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Percentage of achievement used to determine RPUs earned of the target RPUs for each tranche     100.00%