The discount rate applied to cash flow projections for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]]

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The growth rate used to extrapolate cash flow projections beyond the period covered by the most recent budgets/forecasts for a cash-generating unit (group of units). [Refer: Total for all cash-generating units [member]]

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No definition available.

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The explanation of the period over which management has projected cash flows based on financial budgets/forecasts approved by management including, when a period greater than five years is used for a cash-generating unit (group of units), an explanation of why that longer period is justified. [Refer: Total for all cash-generating units [member]]

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The price per barrel of crude oil used as an assumption in asset impairment testing.

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No definition available.

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Goodwill and Other Intangible Assets - Goodwill Impairment (Details) - Oil Sands - Cash-generating units - $ / bbl	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Goodwill and Other Intangible Assets
After-tax discount rate applied to cash flow projections	7.80%	7.80%
Minimum
Goodwill and Other Intangible Assets
Cash flow forecast period	P50Y
Maximum
Goodwill and Other Intangible Assets
Cash flow forecast period	P55Y
WTI \| Forecast for 2025
Goodwill and Other Intangible Assets
Impairment testing assumption, price per barrel	72.42
WTI \| Forecast for 2026
Goodwill and Other Intangible Assets
Impairment testing assumption, price per barrel	72.83
WTI \| Forecast for 2027
Goodwill and Other Intangible Assets
Impairment testing assumption, price per barrel	73.22
WTI \| Forecast for after 2027
Goodwill and Other Intangible Assets
Impairment testing assumption, price per barrel escalation percentage	2.00%