Other Liabilities and Deferred Credits (Details) - CAD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Other liabilities and deferred credits
Personal injury and other claims provisions	$ 237	$ 260
Contract liabilities	186	82
Environmental provisions	16	19
Stock-based compensation liability	4	5
Deferred credits and other	169	156
Total other liabilities and deferred credits	$ 612	$ 522

Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer.

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