Quarterly report pursuant to Section 13 or 15(d)

RESTRUCTURING AND OTHER CHARGES (Details)

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RESTRUCTURING AND OTHER CHARGES (Details) (Restructuring Actions 2012, USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2012
employee
Jun. 30, 2013
employee
Dec. 31, 2012
Total Restructuring Charges      
Professional employees terminated, approximate number 650    
Professional employees terminated (as a percent) 3.00%    
Hourly employees terminated, approximate number 650    
Employees terminated, approximate number   1,300  
Restructuring and other charges      
Restructuring and other charges     $ 52
Restructuring and other charges, net of tax     35
Workforce reductions
     
Restructuring and other charges      
Workforce reductions     49
Restructuring related accruals      
Restructuring reserve, balance at beginning of period   25  
Cash payments   (20)  
Change in estimate   (3)  
Restructuring reserve, balance at end of period $ 25 $ 2 $ 25