XML 169 R139.htm IDEA: XBRL DOCUMENT
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Property, Plant, and Equipment - Reconciliation of the changes in the carrying amount of PP&E (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | $ 5,822 | $ 6,207
Property, plant and equipment, end of the period | 5,320 | 5,822
Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 13,398 | 13,395
Additions | 480 | 486
Acquisitions | 146 | 1
Disposals, property, plant and equipment | (79) | (5)
(Impairment) reversals (Note 7) | (589) | (81)
Retirements, property, plant and equipment | (121) | (58)
Increase (decrease) through net exchange differences, property, plant and equipment | (26) | (3)
Increase (decrease) through transfers, property, plant and equipment | 45 | (431)
Property, plant and equipment, end of the period | 13,389 | 13,398
Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 13,395
Property, plant and equipment, end of the period |  |
Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | (7,576) | (7,188)
Disposals, property, plant and equipment | 73 | 2
Retirements, property, plant and equipment | 112 | 51
Increase (decrease) through net exchange differences, property, plant and equipment | (7) | (21)
Increase (decrease) through transfers, property, plant and equipment | 71 | (255)
Depreciation, property, plant and equipment | (614) | (717)
Property, plant and equipment, end of the period | (8,069) | (7,576)
Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (7,188)
Property, plant and equipment, end of the period |  |
Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Land |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 96 | 91
Property, plant and equipment, end of the period | 96 | 96
Land | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 96 | 91
Additions | 0 | 0
Acquisitions | 0 | 0
Disposals, property, plant and equipment | (1) | (2)
(Impairment) reversals (Note 7) | 0 | (9)
Retirements, property, plant and equipment | 0 | 0
Increase (decrease) through net exchange differences, property, plant and equipment | 0 | (1)
Increase (decrease) through transfers, property, plant and equipment | 1 | 17
Property, plant and equipment, end of the period | 96 | 96
Land | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 91
Property, plant and equipment, end of the period |  |
Land | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Land | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 0 | 0
Disposals, property, plant and equipment | 0 | 0
Retirements, property, plant and equipment | 0 | 0
Increase (decrease) through net exchange differences, property, plant and equipment | 0 | 0
Increase (decrease) through transfers, property, plant and equipment | 0 | 0
Depreciation, property, plant and equipment | 0 | 0
Property, plant and equipment, end of the period | 0 | 0
Land | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Land | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Renewable generation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 2,176 | 2,290
Property, plant and equipment, end of the period | 2,582 | 2,176
Renewable generation | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 3,592 | 3,574
Additions | 0 | 0
Acquisitions | 146 | 0
Disposals, property, plant and equipment | 0 | 0
(Impairment) reversals (Note 7) | (15) | (2)
Retirements, property, plant and equipment | (15) | (7)
Increase (decrease) through net exchange differences, property, plant and equipment | 3 | (14)
Increase (decrease) through transfers, property, plant and equipment | 303 | 33
Property, plant and equipment, end of the period | 4,143 | 3,592
Renewable generation | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 3,574
Property, plant and equipment, end of the period |  |
Renewable generation | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Renewable generation | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | (1,416) | (1,284)
Disposals, property, plant and equipment | 0 | 0
Retirements, property, plant and equipment | 9 | 5
Increase (decrease) through net exchange differences, property, plant and equipment | 0 | (4)
Increase (decrease) through transfers, property, plant and equipment | 0 | 0
Depreciation, property, plant and equipment | (154) | (141)
Property, plant and equipment, end of the period | (1,561) | (1,416)
Renewable generation | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (1,284)
Property, plant and equipment, end of the period |  |
Renewable generation | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Gas generation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 1,877 | 2,036
Increase (decrease) through transfers, property, plant and equipment | 200 |
Property, plant and equipment, end of the period | 1,909 | 1,877
Gas generation | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 3,935 | 4,073
Additions | 0 | 0
Acquisitions | 0 | 1
Disposals, property, plant and equipment | (2) | 0
(Impairment) reversals (Note 7) | (2) | 0
Retirements, property, plant and equipment | (57) | (47)
Increase (decrease) through net exchange differences, property, plant and equipment | (25) | 45
Increase (decrease) through transfers, property, plant and equipment | 232 | (138)
Property, plant and equipment, end of the period | 4,087 | 3,935
Gas generation | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 1,671
Property, plant and equipment, end of the period |  |
Gas generation | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 2,402
Property, plant and equipment, end of the period |  |
Gas generation | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | (2,058) | (2,037)
Disposals, property, plant and equipment | 1 | 0
Retirements, property, plant and equipment | 55 | 43
Increase (decrease) through net exchange differences, property, plant and equipment | (8) | 18
Increase (decrease) through transfers, property, plant and equipment | 0 | (212)
Depreciation, property, plant and equipment | (184) | (258)
Property, plant and equipment, end of the period | (2,178) | (2,058)
Gas generation | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (900)
Property, plant and equipment, end of the period |  |
Gas generation | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 1,137
Property, plant and equipment, end of the period |  |
Energy Transition |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 968 | 1,241
Property, plant and equipment, end of the period | 363 | 968
Energy Transition | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 4,901 | 4,940
Additions | 0 | 0
Acquisitions | 0 | 0
Disposals, property, plant and equipment | (74) | (1)
(Impairment) reversals (Note 7) | (468) | (69)
Retirements, property, plant and equipment | (49) | (3)
Increase (decrease) through net exchange differences, property, plant and equipment | 2 | (39)
Increase (decrease) through transfers, property, plant and equipment | 201 | (12)
Property, plant and equipment, end of the period | 4,513 | 4,901
Energy Transition | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 7,342
Property, plant and equipment, end of the period |  |
Energy Transition | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (2,402)
Property, plant and equipment, end of the period |  |
Energy Transition | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | (3,933) | (3,699)
Disposals, property, plant and equipment | 72 | 1
Retirements, property, plant and equipment | 48 | 3
Increase (decrease) through net exchange differences, property, plant and equipment | 2 | (37)
Increase (decrease) through transfers, property, plant and equipment | 71 | (29)
Depreciation, property, plant and equipment | (264) | (304)
Property, plant and equipment, end of the period | (4,150) | (3,933)
Energy Transition | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (4,836)
Property, plant and equipment, end of the period |  |
Energy Transition | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (1,137)
Property, plant and equipment, end of the period |  |
Assets under construction |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 495 | 228
Property, plant and equipment, end of the period | 184 | 495
Assets under construction | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 495 | 228
Additions | 478 | 478
Acquisitions | 0 | 0
Disposals, property, plant and equipment | (2) | 0
(Impairment) reversals (Note 7) | (91) | 0
Retirements, property, plant and equipment | 0 | 0
Increase (decrease) through net exchange differences, property, plant and equipment | 0 | 0
Increase (decrease) through transfers, property, plant and equipment | (696) | (211)
Property, plant and equipment, end of the period | 184 | 495
Assets under construction | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 228
Property, plant and equipment, end of the period |  |
Assets under construction | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Assets under construction | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 0 | 0
Disposals, property, plant and equipment | 0 | 0
Retirements, property, plant and equipment | 0 | 0
Increase (decrease) through net exchange differences, property, plant and equipment | 0 | 0
Increase (decrease) through transfers, property, plant and equipment | 0 | 0
Depreciation, property, plant and equipment | 0 | 0
Property, plant and equipment, end of the period | 0 | 0
Assets under construction | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Assets under construction | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Capital spares and other |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 210 | 321
Property, plant and equipment, end of the period | 186 | 210
Capital spares and other | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | 379 | 489
Additions | 2 | 8
Acquisitions | 0 | 0
Disposals, property, plant and equipment | 0 | (2)
(Impairment) reversals (Note 7) | (13) | (1)
Retirements, property, plant and equipment | 0 | (1)
Increase (decrease) through net exchange differences, property, plant and equipment | (6) | 6
Increase (decrease) through transfers, property, plant and equipment | 4 | (120)
Property, plant and equipment, end of the period | 366 | 379
Capital spares and other | Gross carrying amount | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 489
Property, plant and equipment, end of the period |  |
Capital spares and other | Gross carrying amount | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Capital spares and other | Accumulated depreciation |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period | (169) | (168)
Disposals, property, plant and equipment | 0 | 1
Retirements, property, plant and equipment | 0 | 0
Increase (decrease) through net exchange differences, property, plant and equipment | (1) | 2
Increase (decrease) through transfers, property, plant and equipment | 0 | (14)
Depreciation, property, plant and equipment | (12) | (14)
Property, plant and equipment, end of the period | (180) | (169)
Capital spares and other | Accumulated depreciation | Previously Reported |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | (168)
Property, plant and equipment, end of the period |  |
Capital spares and other | Accumulated depreciation | Revision of Prior Period, Reclassification, Adjustment |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Property, plant and equipment, beginning of the period |  | 0
Property, plant and equipment, end of the period |  |
Decommissioning and restoration | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 135 | 94
Decommissioning and restoration | Land | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 0 | 0
Decommissioning and restoration | Renewable generation | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 129 | 8
Decommissioning and restoration | Gas generation | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 6 | 1
Decommissioning and restoration | Energy Transition | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 0 | 85
Decommissioning and restoration | Assets under construction | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | 0 | 0
Decommissioning and restoration | Capital spares and other | Gross carrying amount |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |
Increase (decrease) through other changes, property, plant and equipment | $ 0 | $ 0

X
- Definition The increase in property, plant and equipment resulting from acquisitions through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_iii&doctype=Standard -URIDate 2021-03-24 + Details
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X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_i&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_vii&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_75_a&doctype=Standard -URIDate 2021-03-24 + Details
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- 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
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- Definition The decrease in property, plant and equipment resulting from disposals. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from net exchange differences arising on the translation of the financial statements from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_viii&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -Clause ix -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e_ix&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The decrease in property, plant and equipment resulting from retirements. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 + Details
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- Definition The amount recognised resulting from the write-down of property, plant and equipment to its recoverable amount or reversals of those write-downs. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_a&doctype=Standard -URIDate 2021-03-24 + Details
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- Details
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