XML 42 R16.htm IDEA: XBRL DOCUMENT
v3.22.0.1

FINANCING EXPENSES | 12 Months Ended
--- | ---
Dec. 31, 2021
FINANCING EXPENSES |
FINANCING EXPENSES | 9. FINANCING EXPENSES Financing expenses consist of the following: ​
​ | ​ | ​ | ​ | ​ | ​
($ millions) |  | 2021 |  | 2020 |
Interest on debt | ​ | 834 | ​ | 884 | ​
Interest on lease liabilities |  | 161 |  | 166 | ​
Capitalized interest at 5.0% ( 2020 –4.8%) |  | (144) |  | (120) | ​
Interest expense |  | 851 |  | 930 | ​
Interest on partnership liability | ​ | 51 | ​ | 52 | ​
Interest on pension and other post-retirement benefits |  | 59 |  | 54 | ​
Accretion |  | 304 |  | 278 | ​
Foreign exchange gain on U.S. dollar denominated debt |  | (113) |  | (312) | ​
Operational foreign exchange and other |  | 23 |  | (6) | ​
Loss on extinguishment of long-term debt |  | 80 | ​ | - | ​
​ |  | 1 255 |  | 996 | ​
​

X
- Definition The entire disclosure for borrowing costs. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2021-01-01 -Section Disclosure -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=23&code=ifrs-tx-2021-en-r&doctype=Standard&dita_xref=IAS23_g26-26_TI -URIDate 2021-03-24 + Details
Name: | ifrs-full_DisclosureOfBorrowingCostsExplanatory
Namespace Prefix: | ifrs-full_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | su_DisclosureOfFinancingExpensesAbstract
Namespace Prefix: | su_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration