XML 127 R101.htm IDEA: XBRL DOCUMENT
v3.22.0.1

DEBT AND CREDIT FACILITIES - Available and unutilized credit facilities (Details) - CAD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
DEBT AND CREDIT FACILITIES |  |
Total credit facilities | $ 6,951 |
Total unutilized credit facilities | 4,520 |
Available credit facilities for liquidity purposes | 4,247 | $ 6,043
Fully revolving and expires in 2025 |  |
DEBT AND CREDIT FACILITIES |  |
Total credit facilities | 3,000 |
Fully revolving and expires in 2024 |  |
DEBT AND CREDIT FACILITIES |  |
Total credit facilities | 2,531 |
Can be terminated at any time at the option of the lenders |  |
DEBT AND CREDIT FACILITIES |  |
Total credit facilities | 1,420 |
Credit facilities supporting outstanding commercial paper |  |
DEBT AND CREDIT FACILITIES |  |
Credit facilities assigned | (1,284) |
Credit facilities supporting standby letters of credit |  |
DEBT AND CREDIT FACILITIES |  |
Credit facilities assigned | $ (1,147) |

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_DisclosureOfDetailedInformationAboutBorrowingsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of undrawn borrowing facilities that may be available for future operating activities and to settle capital commitments. [Refer: Capital commitments] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2021-01-01 -Paragraph 50 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2021-en-r&anchor=para_50_a&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_UndrawnBorrowingFacilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References No definition available. + Details
Name: | su_IfrsLineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Represents the portion of line of credit facilities that are assigned for specific purposes. + References No definition available. + Details
Name: | su_LineOfCreditFacilitiesAssignedForSpecificPurposes
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of undrawn borrowing facilities for liquidity purposes that may be available for future operating activities and to settle capital commitments. + References No definition available. + Details
Name: | su_UnusedBorrowingFacilitiesForLiquidityPurposes
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=su_FullyRevolvingAndExpiresIn2025Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=su_FullyRevolvingAndExpiresIn2024Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=su_CreditFacilitiesThatCanBeTerminatedAtAnyTimeByLenderMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=su_CreditFacilitiesSupportingOutstandingCommercialPaperMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=su_CreditFacilitiesSupportingStandbyLettersOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |