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v3.19.1

Commitments and contingencies (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of contingent liabilities [line items] |  |
Operating leases | $ 1,612 |
Commitments for property, plant and equipment and intangible assets | 4,003 |
Purchase obligations | 2,851 |
Total | 8,466 |
Operating leases, rent expense | $ 352 | $ 399
Bottom of range |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases, term of contract | 1 year |
Top of range |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases, term of contract | 40 years |
2019 |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | $ 317 |
Commitments for property, plant and equipment and intangible assets | 1,029 |
Purchase obligations | 618 |
Total | 1,964 |
2020 |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | 286 |
Commitments for property, plant and equipment and intangible assets | 784 |
Purchase obligations | 525 |
Total | 1,595 |
2021 |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | 244 |
Commitments for property, plant and equipment and intangible assets | 623 |
Purchase obligations | 484 |
Total | 1,351 |
2022 |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | 187 |
Commitments for property, plant and equipment and intangible assets | 484 |
Purchase obligations | 434 |
Total | 1,105 |
2023 |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | 142 |
Commitments for property, plant and equipment and intangible assets | 385 |
Purchase obligations | 271 |
Total | 798 |
THERE- AFTER |  |
Disclosure of contingent liabilities [line items] |  |
Operating leases | 436 |
Commitments for property, plant and equipment and intangible assets | 698 |
Purchase obligations | 519 |
Total | $ 1,653 |

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- Definition Contractual commitments for acquisition of property, plant and equipment and intangible assets + References No definition available. + Details
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- Definition The amount of future minimum lease payments payable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 35 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_35_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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