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Inventories
9 Months Ended
Sep. 30, 2011
Inventory Disclosure [Abstract] 
Inventories
Inventories
 
As of
September 30,
2011
 
As of
December 31,
2010
 
(In $ millions)
Finished goods
573

 
442

Work-in-process
43

 
31

Raw materials and supplies
161

 
137

Total
777

 
610