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PENSION AND OTHER POSTRETIREMENT BENEFITS 3 (Details) (USD $)
Share data in Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2012
Jan. 31, 2012
Mar. 31, 2010
Defined Benefit Plan Assumed Health Care Cost Trend Rates Abstract            
Health care cost trend rate assumed for next year 7.50% 8.00%        
Rate that the cost trend rate gradually declines to 5.00% 5.00%        
Year that rate reaches the rate it is assumed to remain at 2017 2017        
Noncash Charge Related To Income Taxes           $ 13,000,000
Effect Of One Percentage Point [abstract]            
Increase on service and interest 5,000,000          
Decrease on service and interest (3,000,000)          
Increase on postretirement benefit obligation 126,000,000          
Decrease on postretirement benefit obligation (80,000,000)          
Employee Savings Plans Paragraph Details [Abstract]            
Number of shares contributed to ESOP during the period 2.6 2.4 4.8      
Value of shares contributed to ESOP during the period 138,000,000 105,000,000 158,000,000      
Funding Policy Paragraph Details [Abstract]            
Voluntary Contributions to United States Pension Plans 1,650,000,000 1,000,000,000 740,000,000      
Contributions to Foreign Pension Plans         250,000,000  
Pension notional amount 976,000,000 834,000,000        
Contribution to pension plan minimum       800,000,000    
Contributions to pension plan maximum       1,000,000,000    
Without Impact of Medicare Subsidy [Member]
            
Future Benefit Payments [Line Items]            
2012 180,000,000          
2013 168,000,000          
2014 157,000,000          
2015 147,000,000          
2016 137,000,000          
2017-2021 551,000,000          
Net of Medicare Subsidy [Member]
            
Future Benefit Payments [Line Items]            
2012 167,000,000          
2013 156,000,000          
2014 145,000,000          
2015 136,000,000          
2016 126,000,000          
2017-2021 499,000,000          
United States, Defined Benefit [Member]
            
Future Benefit Payments [Line Items]            
2012 1,025,000,000          
2013 1,025,000,000          
2014 1,051,000,000          
2015 1,101,000,000          
2016 1,084,000,000          
2017-2021 5,473,000,000          
Foreign Pension Plans, Defined Benefit [Member]
            
Future Benefit Payments [Line Items]            
2012 185,000,000          
2013 189,000,000          
2014 193,000,000          
2015 197,000,000          
2016 203,000,000          
2017-2021 $ 1,097,000,000