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PROPERTY, PLANT AND EQUIPMENT (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Changes in property, plant and equipment |  |
Beginning balance | $ 68,130 |
Depreciation, depletion, amortization and impairment | (5,850) | $ (9,526)
Ending balance | 65,546 | 68,130
Cost |  |
Changes in property, plant and equipment |  |
Beginning balance | 127,658 | 125,164
Adoption of IFRS 16 |  | 3,814
Additions | 4,656 | 170
Changes in decommissioning and restoration | (1,132) | 1,081
Disposals and derecognition | (4,554) | (2,537)
Foreign exchange adjustments | (69) | (34)
Ending balance | 126,559 | 127,658
Accumulated provision |  |
Changes in property, plant and equipment |  |
Beginning balance | (59,528) | (52,524)
Disposals and derecognition | 4,128 | 2,205
Foreign exchange adjustments | 68 | (4)
Depreciation, depletion, amortization and impairment | (5,681) | (9,205)
Ending balance | (61,013) | (59,528)
Oil and Gas properties |  |
Changes in property, plant and equipment |  |
Beginning balance | 17,236 |
Ending balance | 15,374 | 17,236
Oil and Gas properties | Cost |  |
Changes in property, plant and equipment |  |
Beginning balance | 42,709 | 40,596
Adoption of IFRS 16 |  | 820
Additions | 755 | 170
Changes in decommissioning and restoration | (1,127) | 1,078
Disposals and derecognition | (1,902) | (9)
Foreign exchange adjustments | (118) | 54
Ending balance | 40,317 | 42,709
Oil and Gas properties | Accumulated provision |  |
Changes in property, plant and equipment |  |
Beginning balance | (25,473) | (22,389)
Disposals and derecognition | 1,676 |
Foreign exchange adjustments | 70 | (45)
Depreciation, depletion, amortization and impairment | (1,216) | (3,039)
Ending balance | (24,943) | (25,473)
Plant and Equipment |  |
Changes in property, plant and equipment |  |
Beginning balance | 50,894 |
Ending balance | 50,172 | 50,894
Plant and Equipment | Cost |  |
Changes in property, plant and equipment |  |
Beginning balance | 84,949 | 84,568
Adoption of IFRS 16 |  | 2,994
Additions | 3,901 |
Changes in decommissioning and restoration | (5) | 3
Disposals and derecognition | (2,652) | (2,528)
Foreign exchange adjustments | 49 | (88)
Ending balance | 86,242 | 84,949
Plant and Equipment | Accumulated provision |  |
Changes in property, plant and equipment |  |
Beginning balance | (34,055) | (30,135)
Disposals and derecognition | 2,452 | 2,205
Foreign exchange adjustments | (2) | 41
Depreciation, depletion, amortization and impairment | (4,465) | (6,166)
Ending balance | $ (36,070) | $ (34,055)

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- 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 expense, amortisation expense and impairment loss (reversal of impairment loss) recognised in profit or loss. [Refer: Depreciation and amortisation expense; Impairment loss (reversal of impairment loss) recognised in profit or loss] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_112_c&doctype=Standard -URIDate 2021-03-24 + Details
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