XML 98 R63.htm IDEA: XBRL DOCUMENT
v3.20.4

Invested Assets and Investment Income - Summary of Securitized Assets and Secured Borrowing Liabilities (Detail) - CAD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | $ 4,629 | $ 3,913
SecuredBorrowingLiabilities | 4,582 | 3,882
HELOC securitization [Member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | 2,356 | 2,293
CMB securitization [member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | 2,273 | 1,620
Securitized mortgages [Member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | 4,629 | 3,905
Securitized mortgages [Member] | HELOC securitization [Member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | 2,356 | 2,285
Securitized mortgages [Member] | CMB securitization [member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets | 2,273 | 1,620
Restricted cash and short-term securities [member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets |  | 8
Restricted cash and short-term securities [member] | HELOC securitization [Member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
Securitised Assets |  | 8
HELOC securitization [Member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
SecuredBorrowingLiabilities | 2,250 | 2,250
CMB securitization [member] |  |
Disclosure of securitized assets, mortgages and associated liabilities [line items] |  |
SecuredBorrowingLiabilities | $ 2,332 | $ 1,632

X
- Definition Disclosure of securitized assets, mortgages and associated liabilities [line items] + References No definition available. + Details
Name: | mfc_DisclosureOfSecuritizedAssetsMortgagesAndAssociatedLiabilitiesLineItems
Namespace Prefix: | mfc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of secured borrowing liabilities. + References No definition available. + Details
Name: | mfc_SecuredBorrowingLiabilities
Namespace Prefix: | mfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Securitized assets + References No definition available. + Details
Name: | mfc_SecuritizedAssets
Namespace Prefix: | mfc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | mfc_SecuritizationByProgramNameAxis=mfc_HELOCSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | mfc_SecuritizationByProgramNameAxis=mfc_CMBSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=mfc_SecuritizedMortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AssetsAndLiabilitiesAxis=mfc_RestrictedCashAndShorttermSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SeparateManagementEntitiesAxis=mfc_HELOCSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SeparateManagementEntitiesAxis=mfc_CMBSecuritizationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |