v2.4.0.6
INCOME TAXES (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 30, 2012
Mar. 31, 2012
Brazil
Income tax examination from 2008 to 2009
subsidiary
Dec. 31, 2011
Brazil
Income tax examination from 2005 to 2009
subsidiary
Dec. 31, 2010
Brazil
Income tax examination from 2005 to 2007
subsidiary
Dec. 31, 2011
Brazil
Income tax examination from 2005 to 2007
Income Tax Examination          
Unrecognized tax benefits $ 21        
Adjustment to tax provision based on expiration of statutes of limitations 8        
Number of subsidiaries under tax examination   1 1 1  
Total proposed adjustments   62 160 525  
The dismissal of a portion of 2010 Brazilian IRS proposed tax adjustments         $ 170