|**Property Plant and Equipment (Tables)**      | 12 Months Ended                                                                                                                                                                                                                                                
|---------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
|
|**Property, Plant and Equipment [Abstract]**   |                                                                                                                                                                                                                                                                
|Property, Plant and Equipment                  | Property, plant and equipment are summarized below:20162015(In millions)Land$45$45Software capitalized for internal use131155Buildings612587Machinery and equipment1,3641,5262,1522,313Less accumulated depreciation and amortization(1,137)(1,148)$1,015$1,165
|                                              
|                                               |                                                                                                                                                                                                                                                                
|                                               | 2016                                                                                                                                                                                                                                                           
|                                               |                                                                                                                                                                                                                                                                
|                                               | (In millions)                                                                                                                                                                                                                                                  
|Land                                           | $                                                                                                                                                                                                                                                              
|Software capitalized for internal use          | 131                                                                                                                                                                                                                                                            
|Buildings                                      | 612                                                                                                                                                                                                                                                            
|Machinery and equipment                        | 1,364                                                                                                                                                                                                                                                          
|                                               | 2,152                                                                                                                                                                                                                                                          
|Less accumulated depreciation and amortization | (1,137                                                                                                                                                                                                                                                         
|                                               | $                                                                                                                                                                                                                                                              

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duration X- DefinitionTabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.
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