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Inventories
 12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories
The following table provides the components of Inventories:
 
 
As of December 31,
(MILLIONS OF DOLLARS)
 
2019

 
2018

Finished goods
 
$
2,750

 
$
2,262

Work in process
 
4,743

 
4,701

Raw materials and supplies
 
790

 
546

Inventories(a)
 
$
8,283

 
$
7,508

Noncurrent inventories not included above(b)
 
$
714

 
$
618

(a) 
The change from December 31, 2018 reflects increases for certain products, including inventory build for new product launches, supply recovery and market demand, partially offset by a decrease due to foreign exchange and the write off of rivipansel inventory previously expected to be sold (see Note 2E).
(b) 
Included in Other noncurrent assets. There are no recoverability issues associated with these amounts.