XML 127 R92.htm IDEA: XBRL DOCUMENT
v3.20.4

Insurance Contract Liabilities and Reinsurance Assets - Summary of Gross Claims and Benefits (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | $ 30,133 | $ 28,660
Death, disability and other claims [Member] |  |
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | 18,064 | 15,752
Maturity and surrender benefits [Member] |  |
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | 8,613 | 8,433
Annuity payments [Member] |  |
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | 3,560 | 4,030
Policyholder dividends and experience rating refunds [Member] |  |
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | 1,411 | 1,445
Net transfers from segregated funds [Member] |  |
Disclosure of net, gross and reinsurer's share for amounts arising from insurance contracts [Line Items] |  |
Gross claims and benefits | $ (1,515) | $ (1,000)

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

X
- Definition Insurance claims and benefits gross. + References No definition available. + Details
Name: | mfc_InsuranceClaimsAndBenefitsGross
Namespace Prefix: | mfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_TypesOfInsuranceContractsAxis=mfc_DeathDisabilityAndOtherClaimsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInsuranceContractsAxis=mfc_MaturityAndSurrenderBenefitsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInsuranceContractsAxis=mfc_AnnuityPaymentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInsuranceContractsAxis=mfc_PolicyholderDividendsAndExperienceRatingRefundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_TypesOfInsuranceContractsAxis=mfc_NetTransfersFromSegregatedFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |