Inventories - Summary of Inventories (Detail) - CAD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Inventories [Abstract]
Supplies	$ 1,045	$ 797
Raw materials	278	250
Work in process	857	741
Finished products	718	728
Inventories	2,898	2,516
Less non-current portion (Note 14)	(213)	(126)
Inventories	$ 2,685	$ 2,390

The amount of assets: (a) held for sale in the ordinary course of business; (b) in the process of production for such sale; or (c) in the form of materials or supplies to be consumed in the production process or in the rendering of services. Inventories encompass goods purchased and held for resale including, for example, merchandise purchased by a retailer and held for resale, or land and other property held for resale. Inventories also encompass finished goods produced, or work in progress being produced, by the entity and include materials and supplies awaiting use in the production process. [Refer: Current finished goods; Current merchandise; Current work in progress; Land]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 54
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-URIDate 2022-03-24

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