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v3.24.1

Provisions - Sensitivities (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Provisions |  |
Percentage change in discount rate used to arrive at provision for decommissioning, restoration and rehabilitation costs | 1.00% | 1.00%
1% Increase | $ (1,799) | $ (1,594)
1% Decrease | $ 2,390 | $ 2,131

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- References No definition available. + Details
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- Definition Represents the percentage change in discount rate used to arrive at the provision for decommissioning restoration and rehabilitation costs. + References No definition available. + Details
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- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation following a 1 % decrease in the discount rate. + References No definition available. + Details
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Namespace Prefix: | su_
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- Definition The amount of provision for costs related to decommissioning, restoration and rehabilitation following a 1 % increase in the discount rate. + References No definition available. + Details
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Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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