Inventories (Tables)

3 Months Ended

Mar. 31, 2021

Inventory Disclosure [Abstract]

Schedule of Components of Inventories

Inventories consisted of the following components (dollars in millions):

	March 31, 2021		December 31, 2020
Purchased parts and raw materials	$	91	$	88
Work in progress		14		15
Service parts		41		43
Finished goods		47		35
Total inventories	$	193	$	181