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Commitments and Contingencies (Details)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2017
USD ($)
claims
Dec. 31, 2016
USD ($)
claims
Dec. 31, 2015
USD ($)
Mar. 31, 2016
claims
Commitments and Contingencies Disclosure [Abstract]        
Outstanding letters of credit and surety bonds | $ $ 103      
Loss Contingencies [Line Items]        
Costs for (recoveries from) settlement and defense of asbestos claims, net of insurance recoveries and taxes | $   $ 48 $ (5)  
Asbestos Claims [Member]        
Loss Contingencies [Line Items]        
Number of pending asbestos claims 33,600 33,610   35,040
Number of new asbestos claims 860      
Number of asbestos claims closed or moved to inactive docket 870