Inventories

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Inventories

10. Inventories

The components of inventory are as follows:

	March 31,		December 31,
(MILLIONS OF DOLLARS)	2022		2021
Finished goods	$	920	$	888
Work-in-process	764		696
Raw materials and supplies	373		339
Inventories	$	2,057	$	1,923