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Inventories
 6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table provides the components of Inventories:
(MILLIONS OF DOLLARS)
 
June 30,
2019

 
December 31,
2018

Finished goods
 
$
2,494

 
$
2,262

Work-in-process
 
5,249

 
4,701

Raw materials and supplies
 
490

 
546

Inventories(a)
 
$
8,233

 
$
7,508

Noncurrent inventories not included above(b)
 
$
646

 
$
618


(a) 
The change from December 31, 2018 reflects increases for certain products to meet targeted levels in the normal course of business, including inventory build for supply recovery and market demand, partially offset by a decrease due to foreign exchange.
(b) 
Included in Other noncurrent assets. There are no recoverability issues associated with these amounts.