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v3.10.0.1

Property Plant And Equipment (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | $ 73,493 |
Balance at the end | 74,245 | $ 73,493
Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | 114,848 | 107,678
Additions | 5,179 | 7,110
Transfers from exploration and evaluation | 31 |
Acquisitions | 1,237 | 335
Changes in decommissioning and restoration | 63 | 843
Disposals and derecognition | (5,160) | (884)
Foreign exchange adjustments | 676 | (269)
Reclassified from assets held for sale |  | 35
Balance at the end | 116,874 | 114,848
Accumulated provision |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | (41,355) | (36,419)
Disposals and derecognition | 4,800 | 368
Foreign exchange adjustments | (486) | 129
Reclassified from assets held for sale |  | (3)
Depreciation and depletion | (5,588) | (5,430)
Balance at the end | (42,629) | (41,355)
Oil and Gas properties |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | 18,234 |
Balance at the end | 18,062 | 18,234
Oil and Gas properties | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | 36,209 | 34,141
Additions | 1,221 | 1,235
Transfers from exploration and evaluation | 31 |
Acquisitions | 289 | 25
Changes in decommissioning and restoration | 85 | 821
Disposals and derecognition | (375) |
Foreign exchange adjustments | 385 | (13)
Balance at the end | 37,845 | 36,209
Oil and Gas properties | Accumulated provision |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | (17,975) | (16,062)
Disposals and derecognition | 255 |
Foreign exchange adjustments | (324) | 3
Depreciation and depletion | (1,739) | (1,916)
Balance at the end | (19,783) | (17,975)
Plant and Equipment |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | 55,259 |
Balance at the end | 56,183 | 55,259
Plant and Equipment | Cost |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | 78,639 | 73,537
Additions | 3,958 | 5,875
Acquisitions | 948 | 310
Changes in decommissioning and restoration | (22) | 22
Disposals and derecognition | (4,785) | (884)
Foreign exchange adjustments | 291 | (256)
Reclassified from assets held for sale |  | 35
Balance at the end | 79,029 | 78,639
Plant and Equipment | Accumulated provision |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Balance at the beginning | (23,380) | (20,357)
Disposals and derecognition | 4,545 | 368
Foreign exchange adjustments | (162) | 126
Reclassified from assets held for sale |  | (3)
Depreciation and depletion | (3,849) | (3,514)
Balance at the end | $ (22,846) | $ (23,380)

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- 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 2018-01-01 -Paragraph 73 -Subparagraph e -Clause iii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_iii&doctype=Standard -URIDate 2018-03-16 + Details
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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 2018-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_75_a&doctype=Standard -URIDate 2018-03-16 + Details
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- Definition The decrease in property, plant and equipment resulting from disposals and retirements. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 73 -Subparagraph e -Clause viii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_viii&doctype=Standard -URIDate 2018-03-16 + 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 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard -URIDate 2018-03-16 + Details
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