v2.4.0.6
Other Non-Current Assets (Details 2)
In Millions, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2011
Y
Dec. 31, 2011
Saipol S.A.S.
USD ($)
Dec. 31, 2009
Saipol S.A.S.
USD ($)
installment
Dec. 31, 2009
Saipol S.A.S.
EUR (€)
installment
Jan. 31, 2011
Saipol S.A.S.
installment
Dec. 31, 2011
Long-term receivables
USD ($)
Dec. 31, 2010
Long-term receivables
USD ($)
Allowance for Doubtful Accounts Related to Long Term Receivables              
Balance at the beginning of the period           $ 201 $ 232
Bad debt provision           32 31
Recoveries           (17) (15)
Write-offs             (57)
Transfers           6 4
Foreign exchange translation           (23) 6
Balance at the end of the period           199 201
Other Long-Term Receivables              
Percentage of interest owned in an equity method investment sold during the period     33.34% 33.34%      
Equity method investment, sale price     209 145      
Number of equal annual installments as per sale agreement     4 4      
Number of annual installments received         2    
Loss on sale of receivable   $ 2          
Minimum initial maturity of affiliate loans receivable 1