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Inventories
12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
Inventories (stated at the lower of cost or market, cost being determined on a FIFO basis) as of December 31, 2019 and 2018 consist of the following:
 
 
2019
 
2018
 
 
(in millions)
Raw materials
 
$
1,332

 
$
1,293

Work-in-process
 
612

 
576

Finished goods
 
5,138

 
4,857

Total Inventories
 
$
7,082

 
$
6,726