XML 154 R128.htm IDEA: XBRL DOCUMENT
v3.22.4

Financial Instruments and Risk Management - Market Risk (Details) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 CAD ($) item $ / bbl | Dec. 31, 2021 CAD ($)
Financial Instruments and Risk Management |  |
Weighted average interest rate on total debt | 5.20% | 5.00%
Commodity Price Risk |  |
Financial Instruments and Risk Management |  |
Increase in price per barrel of crude oil | $ / bbl | 10 |
Increase (decrease) in pre-tax earnings for the company's outstanding derivative financial instruments | $ 70 | $ (58)
Foreign Currency Exchange Risk |  |
Financial Instruments and Risk Management |  |
Percentage of strengthening in the Cdn$ relative to the US$ | 1.00% | 1.00%
Gains (losses) on change in value of foreign currency basis spreads, net of tax | $ 100 | $ 133
Variable interest rates | Interest Rate Risk |  |
Financial Instruments and Risk Management |  |
Increase in interest rates | 1.00% | 1.00%
Increase (decrease) in pre-tax earnings from increase in interest rates | $ (8) | $ 9
Proportion of floating interest rate exposure | 18.00% | 7.00%
Interest rate swaps | Interest Rate Risk |  |
Financial Instruments and Risk Management |  |
Number of derivative instruments outstanding | item | 0 |
Weighted average | Fixed interest rates | Interest Rate Risk |  |
Financial Instruments and Risk Management |  |
Weighted average interest rate on total debt | 5.80% | 5.00%

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfRiskManagementStrategyRelatedToHedgeAccountingLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The gains (losses) recognised in other comprehensive income on change in value of foreign currency basis spreads, net of tax, before reclassification adjustments. [Refer: Other comprehensive income] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_91_a&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_GainsLossesOnChangeInValueOfForeignCurrencyBasisSpreadsNetOfTax
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in pre-tax earnings from increase in interest rates. + References No definition available. + Details
Name: | su_IncreaseDecreaseInPreTaxEarningsFromIncreaseInInterestRates
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of increase (decrease) in pre-tax earnings for the company's outstanding derivative financial instruments. + References No definition available. + Details
Name: | su_IncreaseDecreaseInPretaxEarningsForCompanySOutstandingDerivativeFinancialInstruments
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Percentage increase in interest rates. + References No definition available. + Details
Name: | su_IncreaseInInterestRates
Namespace Prefix: | su_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase in price per barrel of crude oil. + References No definition available. + Details
Name: | su_IncreaseInPerBarrelOfCrudeOil
Namespace Prefix: | su_
Data Type: | srt-types:perUnitItemType
Balance Type: | na
Period Type: | instant

X
- Definition The number of derivative instruments outstanding. + References No definition available. + Details
Name: | su_NumberOfDerivativeInstrumentsOutstanding
Namespace Prefix: | su_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | instant

X
- Definition The proportion of floating interest rate exposure. + References No definition available. + Details
Name: | su_ProportionOfFloatingInterestRateExposure
Namespace Prefix: | su_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The strengthening in the Cdn$ relative to the US$. + References No definition available. + Details
Name: | su_StrengtheningInCdnRelativeToUs
Namespace Prefix: | su_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CommodityPriceRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_CurrencyRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FloatingInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=ifrs-full_InterestRateRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_InterestRateSwapContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_WeightedAverageMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInterestRatesAxis=ifrs-full_FixedInterestRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |