XML 194 R113.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Post-employee benefit plans - Benefit (obligations) assets (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | $ (1,702) |
Changes in net defined benefit liability (asset) [abstract] |  |
Interest on obligations | (72) | $ (81)
Actuarial (losses) gains | (313) | (264)
Post-employment benefit obligations/Fair value of plan assets, December 31 | (1,846) | (1,702)
Post-employment benefit assets included in other non-current assets | 262 | 403
Post-employment benefit obligations | (2,108) | (2,105)
Experience gains included in actuarial gains | 911 | 157
Actual return on plan assets | $ 1,797 | $ 874
Actual return on plan assets percent | 8.20% | 4.70%
Benefit obligations |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | $ (22,537) | $ (22,380)
Changes in net defined benefit liability (asset) [abstract] |  |
Current service cost | (214) | (210)
Interest on obligations | (961) | (920)
Actuarial (losses) gains | (1,221) | (299)
Net curtailment (losses) gains | 12 | 32
Loss on plan transfer | (6) | 0
Benefit payments | 1,401 | 1,248
Employee contributions | (10) | (5)
Acquisition of MTS | (2,682) | 0
Plan transfer | (122) | 0
Other | 39 | (3)
Post-employment benefit obligations/Fair value of plan assets, December 31 | (26,057) | (22,537)
Plan assets |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | 20,843 | 20,510
Changes in net defined benefit liability (asset) [abstract] |  |
Interest on obligations | 889 | 839
Actuarial (losses) gains | 908 | 35
Benefit payments | (1,401) | (1,248)
Employer contributions | 382 | 702
Employee contributions | 10 | 5
Acquisition of MTS | 2,735 | 0
Post-employment benefit obligations/Fair value of plan assets, December 31 | 24,244 | 20,843
Plan deficit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (1,694) |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | (1,813) | (1,694)
Effect of asset limit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (8) |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | (33) | (8)
DB pension |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (298) |
Changes in net defined benefit liability (asset) [abstract] |  |
Current service cost | (208) | (203)
Interest on obligations | (18) | (24)
Post-employment benefit obligations/Fair value of plan assets, December 31 | (492) | (298)
Post-employment benefit assets included in other non-current assets | 262 | 403
Post-employment benefit obligations | (754) | (701)
DB pension | Benefit obligations |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (20,853) | (20,675)
Changes in net defined benefit liability (asset) [abstract] |  |
Current service cost | (208) | (203)
Interest on obligations | (896) | (852)
Actuarial (losses) gains | (1,193) | (311)
Net curtailment (losses) gains | (4) | 27
Loss on plan transfer | (6) | 0
Benefit payments | 1,320 | 1,169
Employee contributions | (10) | (5)
Acquisition of MTS | (2,677) | 0
Plan transfer | (122) | 0
Other | 1 | (3)
Post-employment benefit obligations/Fair value of plan assets, December 31 | (24,404) | (20,853)
DB pension | Plan assets |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | 20,563 | 20,244
Changes in net defined benefit liability (asset) [abstract] |  |
Interest on obligations | 878 | 828
Actuarial (losses) gains | 896 | 29
Benefit payments | (1,320) | (1,169)
Employer contributions | 305 | 626
Employee contributions | 10 | 5
Acquisition of MTS | 2,735 | 0
Post-employment benefit obligations/Fair value of plan assets, December 31 | 23,945 | 20,563
DB pension | Plan deficit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (290) |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | (459) | (290)
DB pension | Effect of asset limit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (8) |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | (33) | (8)
OPEBs |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (1,404) |
Changes in net defined benefit liability (asset) [abstract] |  |
Current service cost | (6) | (7)
Interest on obligations | (54) | (57)
Post-employment benefit obligations/Fair value of plan assets, December 31 | (1,354) | (1,404)
Post-employment benefit assets included in other non-current assets | 0 | 0
Post-employment benefit obligations | (1,354) | (1,404)
OPEBs | Benefit obligations |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (1,684) | (1,705)
Changes in net defined benefit liability (asset) [abstract] |  |
Current service cost | (6) | (7)
Interest on obligations | (65) | (68)
Actuarial (losses) gains | (28) | 12
Net curtailment (losses) gains | 16 | 5
Loss on plan transfer | 0 | 0
Benefit payments | 81 | 79
Employee contributions | 0 | 0
Acquisition of MTS | (5) | 0
Plan transfer | 0 | 0
Other | 38 | 0
Post-employment benefit obligations/Fair value of plan assets, December 31 | (1,653) | (1,684)
OPEBs | Plan assets |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | 280 | 266
Changes in net defined benefit liability (asset) [abstract] |  |
Interest on obligations | 11 | 11
Actuarial (losses) gains | 12 | 6
Benefit payments | (81) | (79)
Employer contributions | 77 | 76
Employee contributions | 0 | 0
Acquisition of MTS | 0 | 0
Post-employment benefit obligations/Fair value of plan assets, December 31 | 299 | 280
OPEBs | Plan deficit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | (1,404) |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | (1,354) | (1,404)
OPEBs | Effect of asset limit |  |
Disclosure of net defined benefit liability (asset) [line items] |  |
Post-employment benefit obligations/Fair value of plan assets, January 1 | 0 |
Changes in net defined benefit liability (asset) [abstract] |  |
Post-employment benefit obligations/Fair value of plan assets, December 31 | $ 0 | $ 0

X
- Definition Gain (Loss) on Plan Transfer, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | bce_GainLossonPlanTransferNetDefinedBenefitLiabilityAsset
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Plan Transfer, Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | bce_PlanTransferNetDefinedBenefitLiabilityAsset
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Return On Plan Assets, Including Amounts Included In Net Interest On The Net Defined Benefit Liability (Asset) + References No definition available. + Details
Name: | bce_ReturnOnPlanAssetsIncludingAmountsIncludedInNetInterestOnTheNetDefinedBenefitLiabilityAsset
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Return On Plan Assets, Including Amounts Included In Net Interest On The Net Defined Benefit Liability (Asset), Percent + References No definition available. + Details
Name: | bce_ReturnOnPlanAssetsIncludingAmountsIncludedInNetInterestOnTheNetDefinedBenefitLiabilityAssetPercent
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from actuarial gains (losses) arising from experience adjustments that result in remeasurements of the net defined benefit liability (asset). Experience adjustments deal with the effects of differences between the previous actuarial assumptions and what has actually occurred. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | ifrs-full_ChangesInNetDefinedBenefitLiabilityAssetAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_f&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ContributionsToPlanByEmployerNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from contributions to a defined benefit plan by plan participants. [Refer: Net defined benefit liability (asset); Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_f&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from employee service in the current period. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CurrentServiceCostNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfNetDefinedBenefitLiabilityAssetLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from business combinations and disposals. [Refer: Business combinations [member]; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph h -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_h&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_IncreaseDecreaseThroughBusinessCombinationsAndDisposalsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from the passage of time. [Refer: Interest expense; Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_b&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_InterestExpenseIncomeNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 140 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_140_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_LiabilityAssetOfDefinedBenefitPlans
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-current net defined benefit asset. [Refer: Net defined benefit asset] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NoncurrentRecognisedAssetsDefinedBenefitPlan
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of non-current net defined benefit liability. [Refer: Net defined benefit liability] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NoncurrentRecognisedLiabilitiesDefinedBenefitPlan
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from past service cost and gains (losses) arising from settlements. [Refer: Gains (losses) arising from settlements, net defined benefit liability (asset); Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_d&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PastServiceCostAndGainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan. [Refer: Net defined benefit liability (asset)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 141 -Subparagraph g -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_141_g&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PaymentsFromPlanNetDefinedBenefitLiabilityAsset
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=ifrs-full_PresentValueOfDefinedBenefitObligationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=ifrs-full_PlanAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=bce_SurplusDeficitInPlanExcludingEffectofAssetCeilingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_NetDefinedBenefitLiabilityAssetAxis=ifrs-full_EffectOfAssetCeilingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=bce_PensionPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_DefinedBenefitPlansAxis=bce_OtherPostRetirementBenefitsPlansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |