XML 145 R110.htm IDEA: XBRL DOCUMENT
v3.20.4

Risk Management - Schedule of Risk Concentrations (Parenthetical) (Detail) | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Asset classes and individual investment risks [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [Line Items] |  |
Income producing commercial office properties, percentage | 53.00% | 56.00%
Ontario Canada [Member] | Asset classes and individual investment risks [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [Line Items] |  |
Largest concentration of mortgages and real estate, percentage | 28.00% | 27.00%
A [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [Line Items] |  |
Investment grade debt securities and private placements rate | 40.00% | 41.00%
AA [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [Line Items] |  |
Investment grade debt securities and private placements rate | 16.00% | 17.00%
AAA [Member] |  |
Disclosure of nature and extent of risks arising from financial instruments [Line Items] |  |
Investment grade debt securities and private placements rate | 16.00% | 16.00%

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

X
- Definition Income producing commercial office properties percentage. + References No definition available. + Details
Name: | mfc_IncomeProducingCommercialOfficePropertiesPercentage
Namespace Prefix: | mfc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Investment grade debt securities and private placements rate. + References No definition available. + Details
Name: | mfc_InvestmentGradeDebtSecuritiesAndPrivatePlacementsRate
Namespace Prefix: | mfc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum concentration of mortgages and real estate, percentage. + References No definition available. + Details
Name: | mfc_MaximumConcentrationOfMortgagesAndRealEstatePercentage
Namespace Prefix: | mfc_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_TypesOfRisksAxis=mfc_AssetClassesAndIndividualInvestmentRisksMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=mfc_ACreditGradesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=mfc_AACreditGradesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ExternalCreditGradesAxis=mfc_AAACreditGradesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |