Inventories (Tables)

12 Months Ended

Dec. 31, 2020

Inventory Disclosure [Abstract]

Summary of Inventory

Inventories, which are stated at the lower of average cost or net realizable value, consist of the following:

(Stated in millions)
	2020		2019
Raw materials & field materials	$	1,573	$	1,857
Work in progress		464		515
Finished goods		1,317		1,758
	$	3,354	$	4,130