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Other investments (Tables)
 9 Months Ended
Sep. 30, 2017
Investments, All Other Investments [Abstract]  
Schedule of other investments

Other investments are shown in our Consolidated Balance Sheets as follows (in millions).

 

     Cost      Fair Value  
     September 30, 
2017		      December 31, 
2016		      September 30, 
2017		      December 31, 
2016		  

Insurance and other

      $ 2,743        $ 6,720        $ 3,303        $ 14,364  

Finance and financial products *

      6        1,000        8        2,892  
  

 

 

     

 

 

     

 

 

     

 

 

  
     $ 2,749        $ 7,720        $ 3,311        $ 17,256  
  

 

 

     

 

 

     

 

 

     

 

 

  

 

* Included in other assets.