SEGMENTED INFORMATION - Schedule of Long-Lived Assets by Country (Details) - CAD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Plant, Property and Equipment	$ 75,940	$ 70,182
Canada
Segment Reporting Information [Line Items]
Plant, Property and Equipment	27,232	24,890
United States
Segment Reporting Information [Line Items]
Plant, Property and Equipment	43,505	39,335
Mexico
Segment Reporting Information [Line Items]
Plant, Property and Equipment	$ 5,203	$ 5,957

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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