Inventories (Tables)

6 Months Ended

Jun. 30, 2022

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories consisted of the following:

	As of
	June 30, 2022		December 31, 2021
Parts and work-in-process	$	100	$	70
Finished goods	29		28
Total inventories	$	129	$	98