v2.4.0.6
Basis of Presentation and Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Basis of Presentation and Significant Accounting Policies      
Number of operating divisions 4    
Number of operating divisions reportable segments 5    
Percentage ownership for interests reported as noncontrolling interest in subsidiaries less than 100%    
Time charter agreement terms, range of time two months to five years    
Estimated useful life, finite-lived intangible assets, minimum 2    
Estimated useful life, finite-lived intangible assets, maximum 50    
Research and development expenses $ 24 $ 26 $ 35
Buildings
      
Property, plant and equipment      
Estimated useful lives, Minimum (in years) 10    
Estimated useful lives, Maximum (in years) 50    
Machinery and equipment
      
Property, plant and equipment      
Estimated useful lives, Minimum (in years) 7    
Estimated useful lives, Maximum (in years) 20    
Furniture, fixtures and other.
      
Property, plant and equipment      
Estimated useful lives, Minimum (in years) 3    
Estimated useful lives, Maximum (in years) 20    
Mining properties
      
Property, plant and equipment      
Estimated useful lives, Minimum (in years) 15    
Estimated useful lives, Maximum (in years) 52    
Biological assets
      
Property, plant and equipment      
Estimated useful lives, Minimum (in years) 1    
Estimated useful lives, Maximum (in years) 6