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Commitments and Contingencies - Future Payments for Commitments (Details) - CAD ($) $ in Millions | 9 Months Ended |
--- | --- | ---
Sep. 30, 2023 | Dec. 31, 2022
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | $ 20,231 |
Product Purchases | 1,172 |
Real estate | 856 |
Obligation to fund equity-accounted affiliate | 558 |
Other long term commitments | 1,873 |
Total Commitments | 24,690 |
Commitments approved and not yet in service |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | $ 9,100 | $ 9,100
Minimum |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation commitments subject to regulatory approval or approved but not yet in service term | 20 years |
Remainder of Year |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | $ 432 |
Product Purchases | 393 |
Real estate | 15 |
Obligation to fund equity-accounted affiliate | 25 |
Other long term commitments | 284 |
Total Commitments | 1,149 |
2 Years |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | 1,958 |
Product Purchases | 779 |
Real estate | 53 |
Obligation to fund equity-accounted affiliate | 105 |
Other long term commitments | 185 |
Total Commitments | 3,080 |
3 Years |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | 1,717 |
Product Purchases | 0 |
Real estate | 54 |
Obligation to fund equity-accounted affiliate | 96 |
Other long term commitments | 163 |
Total Commitments | 2,030 |
4 Years |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | 1,453 |
Product Purchases | 0 |
Real estate | 56 |
Obligation to fund equity-accounted affiliate | 96 |
Other long term commitments | 151 |
Total Commitments | 1,756 |
5 Years |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | 1,408 |
Product Purchases | 0 |
Real estate | 59 |
Obligation to fund equity-accounted affiliate | 91 |
Other long term commitments | 142 |
Total Commitments | 1,700 |
Thereafter |  |
Disclosure Of Commitments And Contingent Liabilities [Line Items] |  |
Transportation and storage | 13,263 |
Product Purchases | 0 |
Real estate | 619 |
Obligation to fund equity-accounted affiliate | 145 |
Other long term commitments | 948 |
Total Commitments | $ 14,975 |

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- Definition Contractual Commitments For Transportation and Storage + References No definition available. + Details
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- Definition The amount of future capital expenditures that the entity is committed to make. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The commitments that the entity has relating to its joint ventures as specified in paragraphs B18-B20 of IFRS 12. [Refer: Joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2023-01-01 -Paragraph 23 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2023-en-r&anchor=para_23_a&doctype=Standard -URIDate 2023-03-23 + Details
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