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Inventories, net
9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
Inventories, net

2.

Inventories, net

Inventories consist of (in millions):

 

 

 

September 30,

 

 

December 31,

 

 

 

2018

 

 

2017

 

Raw materials and supplies

 

$

627

 

 

$

656

 

Work in process

 

 

600

 

 

 

513

 

Finished goods and purchased products

 

 

1,950

 

 

 

1,834

 

Total

 

$

3,177

 

 

$

3,003