Inventories (Tables)

3 Months Ended

Mar. 31, 2022

Inventory Disclosure [Abstract]

Components of Inventories

The following table presents the components of inventories:

	March 31,		December 31,
	2022		2021
	$		$
Work in process and finished goods		375	359
Raw materials		108	110
Operating and maintenance supplies		197	194
		680	663