Inventories

6 Months Ended

Jun. 30, 2020

Inventory Disclosure [Abstract]

Inventories

Inventories

Inventories consisted of the following:

Millions of dollars	June 30, 2020		December 31, 2019
Finished products and parts	$	1,514	$	1,865
Raw materials and supplies	1,154		1,147
Work in process	77		127
Total	$	2,745	$	3,139

During the six months ended June 30, 2020, we recorded $494 million of impairment charges related to inventory. See Note 2 for further discussion on impairments and other charges.