XML 198 R117.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Post-employee benefit plans - Fair value of plan assets (Details) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016
Disclosure of fair value of plan assets [line items] |  |
Equity securities, total plan assets fair value percent | 22.00% | 22.00%
Debt securities, total plan assets fair value percent | 65.00% | 68.00%
Alternative investments, total plan asset fair value percent | 13.00% | 10.00%
Total plan assets fair value percent | 100.00% | 100.00%
Defined benefit obligation hedged | $ 5,000 |
DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Plan assets, at fair value | 23,945 | $ 20,563
Equity securities included in total plan assets | $ 13 | $ 17
Equity securities percent included in total plan assets | 0.05% | 0.08%
Debt securities included in total plan assets | $ 11 | $ 15
Debt securities percent included in total plan assets | 0.05% | 0.07%
Alternative investments included in total plan assets | $ 135 | $ 135
Alternative investments percent included in total plan assets | 0.56% | 0.66%
Canadian | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Equity securities | $ 1,045 | $ 901
Foreign | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Equity securities | $ 4,349 | 3,682
Bottom of range |  |
Disclosure of fair value of plan assets [line items] |  |
Equity securities, weighted average target allocation | 20.00% |
Debt securities, weighted average target allocation | 55.00% |
Alternative investments, weighted average target allocation | 0.00% |
Top of range |  |
Disclosure of fair value of plan assets [line items] |  |
Equity securities, weighted average target allocation | 35.00% |
Debt securities, weighted average target allocation | 80.00% |
Alternative investments, weighted average target allocation | 25.00% |
Debt securities, excluding money market | Canadian | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Debt securities | $ 13,126 | 12,469
Debt securities, excluding money market | Foreign | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Debt securities | 1,890 | 1,068
Money market | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Debt securities | 491 | 387
Private equities | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Alternative investments | 1,484 | 1,164
Hedge funds | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Alternative investments | 965 | 726
Real estate | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Alternative investments | 484 | 55
Other | DB pension |  |
Disclosure of fair value of plan assets [line items] |  |
Alternative investments | $ 111 | $ 111

X
- Definition Debt Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
Name: | bce_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Debt Instruments, Amount Contributed To Fair Value Of Plan Assets, Target Allocation Percentage + References No definition available. + Details
Name: | bce_DebtInstrumentsAmountContributedToFairValueOfPlanAssetsTargetAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Investments, Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_DebtInvestmentsEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Debt Investments, Percent Of Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_DebtInvestmentsPercentOfEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Defined Benefit Obligation Hedged + References No definition available. + Details
Name: | bce_DefinedBenefitObligationHedged
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Equity Instruments, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
Name: | bce_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Equity Instruments, Amount Contributed To Fair Value Of Plan Assets, Target Allocation Percentage + References No definition available. + Details
Name: | bce_EquityInstrumentsAmountContributedToFairValueOfPlanAssetsTargetAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Equity Investments, Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_EquityInvestmentsEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Equity Investments, Percent Of Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_EquityInvestmentsPercentOfEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Investment Funds, Amount Contributed To Fair Value Of Plan Assets, Allocation Percentage + References No definition available. + Details
Name: | bce_InvestmentFundsAmountContributedToFairValueOfPlanAssetsAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Investment Funds, Amount Contributed To Fair Value Of Plan Assets, Target Allocation Percentage + References No definition available. + Details
Name: | bce_InvestmentFundsAmountContributedToFairValueOfPlanAssetsTargetAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Investment Funds, Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_InvestmentFundsEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Investment Funds, Percent Of Entity's Own Financial Instruments Included In Fair Value Of Plan Assets + References No definition available. + Details
Name: | bce_InvestmentFundsPercentOfEntitysOwnFinancialInstrumentsIncludedInFairValueOfPlanAssets
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Plan Assets At Fair Value, Allocation Percentage + References No definition available. + Details
Name: | bce_PlanAssetsAtFairValueAllocationPercentage
Namespace Prefix: | bce_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition The amount that instruments representing debt (rather than equity) constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 142 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_142_c&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_DebtInstrumentsAmountContributedToFairValueOfPlanAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_DisclosureOfFairValueOfPlanAssetsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount that instruments representing equity (rather than debt) constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 142 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_142_b&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_EquityInstrumentsAmountContributedToFairValueOfPlanAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount that investment funds constitute of the fair value of defined benefit plan assets. [Refer: Plan assets, at fair value; Defined benefit plans [member]; Investment funds [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 142 -Subparagraph f -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_142_f&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_InvestmentFundsAmountContributedToFairValueOfPlanAssets
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 19 -IssueDate 2017-01-01 -Paragraph 57 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=19&date=2017-03-01&anchor=para_57_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_PlanAssetsAtFairValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_CountryOfDomicileMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=ifrs-full_ForeignCountriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bce_DebtSecuritiesExcludingMoneyMarketFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bce_MoneyMarketFunds1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bce_PrivateEquityFunds1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=ifrs-full_HedgeFundInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bce_RealEstate1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialAssetsAxis=bce_OtherFundInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |