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INVENTORIES
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
INVENTORIES INVENTORIES
Inventories as of June 30, 2019 and December 31, 2018 consist of the following:
 
June 30, 2019
 
December 31, 2018
 
(in millions)
Raw materials
$
1,543

 
$
1,293

Work-in-process
820

 
576

Finished goods
5,829

 
4,857

Total inventories
$
8,192

 
$
6,726