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CONSOLIDATED BALANCE SHEETS - CAD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Current assets |  |
Cash and cash equivalents | $ 2,205 | $ 1,885
Accounts receivable | 4,534 | 3,157
Inventories | 4,110 | 3,617
Income taxes receivable | 128 | 727
Total current assets | 10,977 | 9,386
Property, plant and equipment, net | 65,546 | 68,130
Exploration and evaluation | 2,226 | 2,286
Other assets | 1,307 | 1,277
Goodwill and other intangible assets | 3,523 | 3,328
Deferred income tax asset | 160 | 209
Total assets | 83,739 | 84,616
Current liabilities |  |
Short-term debt | 1,284 | 3,566
Current portion of long-term debt | 231 | 1,413
Current portion of long-term lease liabilities | 310 | 272
Accounts payable and accrued liabilities | 6,503 | 4,684
Current portion of provisions | 779 | 527
Income taxes payable | 1,292 | 87
Total current liabilities | 10,399 | 10,549
Long-term debt | 13,989 | 13,812
Long-term lease liabilities | 2,540 | 2,636
Other long-term liabilities | 2,180 | 2,840
Provisions | 8,776 | 10,055
Deferred income taxes | 9,241 | 8,967
Equity | 36,614 | 35,757
Total liabilities and shareholders' equity | $ 83,739 | $ 84,616

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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The current portion of non-current borrowings excluding current finance leases and current lease liabilities. + References No definition available. + Details
Name: | su_CurrentPortionOfLongtermBorrowingsExcludingCurrentFinanceLeasesAndCurrentLeaseLiabilities
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of intangible assets and goodwill, excluding exploration and evaluation assets, held by the entity. + References No definition available. + Details
Name: | su_TotalIntangibleAssetsAndGoodwillExcludingExplorationAndEvaluationAssets
Namespace Prefix: | su_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant