XML 97 R68.htm IDEA: XBRL DOCUMENT v3.8.0.1

Invested Assets and Investment Income - Summary of Invested Assets and Segregated Funds Net Assets Measured at Fair Value Using Significant Unobservable Inputs (Level 3) (Parenthetical) (Detail) - U.S. Real Estate Investment Trust [Member] - CAD CAD in Millions	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Disclosure of fair value measurement of assets [Line Items]
Percentage of unitholder voting rights	9.50%
Hancock US Real Estate Trust Fund, L.P. [Member]
Disclosure of fair value measurement of assets [Line Items]
Percentage of ownership of partnership interests	11.70%
U.S. Commercial Real Estate [Member] | Hancock US Real Estate Trust Fund, L.P. [Member]
Disclosure of fair value measurement of assets [Line Items]
Gain on sale of investments	CAD 619
U.S. Commercial Real Estate [Member] | Singapore [Member]
Disclosure of fair value measurement of assets [Line Items]
Gain on sale of investments	CAD 313	CAD 1,011

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

X

- Definition

The percentage of voting equity interests acquired in a business combination. [Refer: Business combinations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 3
-IssueDate 2017-01-01
-Paragraph B64
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=3&date=2017-03-01&anchor=para_B64_c&doctype=Appendix&seq=2
-URIDate 2017-03-09

+ Details

Name:	ifrs-full_PercentageOfVotingEquityInterestsAcquired
Namespace Prefix:	ifrs-full_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Gain (loss) on sale of investments.

+ References

No definition available.

+ Details

Name:	mfc_GainLossOnSaleOfInvestments1
Namespace Prefix:	mfc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Proportion of ownership interest in partnership

+ References

No definition available.

+ Details

Name:	mfc_ProportionOfOwnershipInterestInPartnership
Namespace Prefix:	mfc_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_InvestmentTypeAxis=mfc_RealEstateInvestmentTrustMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInAssociatesAxis=mfc_HancockUsRealEstateTrustFundLpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_MajorCustomersAxis=mfc_USCommercialRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_GeographicalAreasAxis=country_SG
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: