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v3.19.1

Property, plant and equipment - Schedule of 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] |  |
Beginning balance | $ 24,029 | $ 22,341
Ending balance | 24,844 | 24,029
COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 69,219 | 65,616
Additions | 4,208 | 4,148
Acquisition through business combinations | 193 | 993
Transfers | (506) | (411)
Retirements and disposals | (1,023) | (1,127)
Impairment losses recognized in earnings | (8) |
Ending balance | 72,083 | 69,219
ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (45,190) | (43,275)
Retirements and disposals | (983) | (1,073)
Depreciation | 3,145 | 3,034
Other | (113) | (46)
Ending balance | (47,239) | (45,190)
NETWORK INFRASTRUCTURE AND EQUIPMENT |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 19,535 | 18,442
Ending balance | 20,414 | 19,535
NETWORK INFRASTRUCTURE AND EQUIPMENT | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 61,484 | 58,670
Additions | 2,699 | 2,491
Acquisition through business combinations | 144 | 653
Transfers | 898 | 775
Retirements and disposals | (969) | (1,105)
Impairment losses recognized in earnings | (8) |
Ending balance | 64,248 | 61,484
NETWORK INFRASTRUCTURE AND EQUIPMENT | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (41,949) | (40,228)
Retirements and disposals | (931) | (1,054)
Depreciation | 2,923 | 2,813
Other | (107) | (38)
Ending balance | (43,834) | (41,949)
LAND AND BUILDINGS |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 2,720 | 2,525
Ending balance | 2,666 | 2,720
LAND AND BUILDINGS | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 5,961 | 5,572
Additions | 72 | 70
Acquisition through business combinations | 49 | 264
Transfers | 43 | 77
Retirements and disposals | (54) | (22)
Impairment losses recognized in earnings | 0 |
Ending balance | 6,071 | 5,961
LAND AND BUILDINGS | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | (3,241) | (3,047)
Retirements and disposals | (52) | (19)
Depreciation | 222 | 221
Other | (6) | (8)
Ending balance | (3,405) | (3,241)
ASSETS UNDER CONSTRUCTION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 1,774 | 1,374
Ending balance | 1,764 | 1,774
ASSETS UNDER CONSTRUCTION | COST |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 1,774 | 1,374
Additions | 1,437 | 1,587
Acquisition through business combinations | 0 | 76
Transfers | (1,447) | (1,263)
Retirements and disposals | 0 | 0
Impairment losses recognized in earnings | 0 |
Ending balance | 1,764 | 1,774
ASSETS UNDER CONSTRUCTION | ACCUMULATED DEPRECIATION |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |
Beginning balance | 0 | 0
Retirements and disposals | 0 | 0
Depreciation | 0 | 0
Other | 0 | 0
Ending balance | $ 0 | $ 0

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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 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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