XML 224 R195.htm IDEA: XBRL DOCUMENT
v3.22.4

IFRS 7 Disclosures - Summary of Potential Impact to MLI's LICAT Total Ratio Resulting from Changes in Public Equity Market Values (Detail) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
-30% [member] |  |
Statement [line items] |  |
Impact on MLI's LICAT total ratio | (1) | (1)
-20% [member] |  |
Statement [line items] |  |
Impact on MLI's LICAT total ratio | (1) |
20% [member] |  |
Statement [line items] |  |
Impact on MLI's LICAT total ratio | 1 | 1
30% [member] |  |
Statement [line items] |  |
Impact on MLI's LICAT total ratio | 1 |

X
- Definition Impact on Changes In Public Equity Market Value Percentage + References No definition available. + Details
Name: | mfc_ImpactOnChangesInPublicEquityMarketValuePercentage
Namespace Prefix: | mfc_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_AccountingEstimatesAxis=mfc_NegativeThirtyPercentageChangeInMarketValueOfEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AccountingEstimatesAxis=mfc_NegativeTwentyPercentageChangeInMarketValueOfEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AccountingEstimatesAxis=mfc_TwentyPercentageChangeInMarketValueOfEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_AccountingEstimatesAxis=mfc_ThirtyPercentageChangeInMarketValueOfEquityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |