Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies (Details)

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Commitments and Contingencies (Details) (USD $)
In Millions, unless otherwise specified
 9 Months Ended 144 Months Ended
Sep. 30, 2011
Guarantees of indebtedness owed by third parties
Sep. 30, 2011
Aqua-Chem, Inc. (now known as Cleaver-Brooks, Inc.)
Dec. 31, 1981
Aqua-Chem, Inc. (now known as Cleaver-Brooks, Inc.)
Sep. 30, 2011
Risk Management Programs
Dec. 31, 2010
Risk Management Programs
Guarantees          
Guarantees of indebtedness owed by third parties $ 652        
VIEs maximum exposures to loss 334        
Legal Contingencies          
Insurance coverage insuring prior and future costs for certain product liability and other claims     400    
Number of pending active claims' lawsuit   40,000      
Approximate amount of out-of-pocket litigation-related expenses demanded as reimbursement by plaintiff   10      
Number of plaintiff insurance companies filing declaratory judgment action against Aqua-Chem, the Company, and defendant insurance companies   5      
Number of insurance companies included as defendants in declaratory judgment requested by plaintiff   16      
Wisconsin trial court final declaratory judgment of each individual insurer's joint and several liability percentage of plaintiff's losses up to policy limits (as a percent)   100.00%      
Period for which defense and indemnity costs are in the same range (in years)   5      
Minimum period for which there will likely be little defense or indemnity costs that are not covered by insurance (in years)   5      
Maximum period for which there will likely be little defense or indemnity costs that are not covered by insurance (in years)   7      
Low end of the range (in years) the Company believes that there will likely be little or no defense or indemnity costs that will not be covered by insurance   10      
High end of the range (in years) the Company believes that there will likely be little or no defense or indemnity costs that will not be covered by insurance   12      
Risk Management Programs          
Self-insurance reserves       $ 537 $ 502