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v3.24.1

Right-of-Use Assets and Leases - ROU assets by asset class (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Changes in ROU assets: |  |
Beginning balance | $ 2,876 |
Ending balance | 3,668 | $ 2,876
Cost |  |
Changes in ROU assets: |  |
Beginning balance | 4,248 | 3,861
Acquisition | 1,425 |
Additions and adjustments | 423 | 523
Disposals | (176) | (156)
Divestures | (707) |
Foreign exchange | (7) | 20
Ending balance | 5,206 | 4,248
Accumulated provision |  |
Changes in ROU assets: |  |
Beginning balance | (1,372) | (1,136)
Depreciation | (358) | (356)
Disposals | 94 | 126
Divestures | 96 |
Foreign exchange | (2) | (6)
Ending balance | $ (1,538) | $ (1,372)

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- Definition The amount of depreciation of right-of-use assets. [Refer: Depreciation and amortisation expense; Right-of-use assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 53 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_a&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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- Definition The amount of assets that represent a lessee's right to use an underlying asset for the lease term that do not meet the definition of investment property. Underlying asset is an asset that is the subject of a lease, for which the right to use that asset has been provided by a lessor to a lessee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 53 -Subparagraph j -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_53_j&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2023-01-01 -Paragraph 47 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2023-en-r&anchor=para_47_a&doctype=Standard -URIDate 2023-03-23 + Details
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Balance Type: | debit
Period Type: | instant

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- Definition The increase in right of use assets resulting from acquisitions through business combinations. + References No definition available. + Details
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Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of additions to right of use assets other than those acquired through business combinations + References No definition available. + Details
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Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The decrease in right of use assets resulting from the loss of control of a subsidiary. + References No definition available. + Details
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Namespace Prefix: | su_
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Balance Type: | credit
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- Definition The decrease in right of use assets resulting from disposals. + References No definition available. + Details
Name: | su_DisposalsRightOfUseAssets
Namespace Prefix: | su_
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Balance Type: | credit
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- Definition The increase (decrease) in right of use assets resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. + References No definition available. + Details
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- Details
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- Details
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