Inventories

12 Months Ended

Dec. 31, 2018

Inventory Disclosure [Abstract]

Inventories

Inventories

The components of inventory follow:

	As of December 31,
(MILLIONS OF DOLLARS)	2018		2017
Finished goods	$	744	$	788
Work-in-process	481		484
Raw materials and supplies	166		155
Inventories	$	1,391	$	1,427