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Inventories
9 Months Ended
Sep. 30, 2012
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
As of
 
As of
 
September 30,
2012
 
December 31,
2011
 
(In $ millions)
Finished goods
511

 
511

Work-in-process
40

 
38

Raw materials and supplies
160

 
163

Total
711

 
712