XML 140 R115.htm IDEA: XBRL DOCUMENT
v3.22.4

Insurance Contract Liabilities and Investment Contract Liabilities - Impact of Method and Assumption Changes (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | $ (57) | $ 273
Mortality / Morbidity |  |
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | (96) | (89)
Policyholder behaviour |  |
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | 71 | 219
Expenses |  |
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | 9 | (202)
Investment returns |  |
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | 13 | 416
Model enhancements and other |  |
Disclosure of types of insurance contracts [line items] |  |
Net increase (decrease) before income taxes | $ (54) | $ (71)

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

X
- Definition The increase (decrease) in insurance liabilities, net of reinsurance. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-b&anchor=para_85&doctype=Standard&book=b -URIDate 2022-03-24 + Details
Name: | ifrs-full_IncreaseDecreaseInInsuranceLiabilitiesNetOfReinsurance
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=slf_ActuarialAssumptionOfMortalityAndMorbidityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=slf_ActuarialAssumptionOfLapseAndOtherPolicyholderBehaviourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=slf_ActuarialAssumptionOfExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=slf_ActuarialAssumptionOfInvestmentReturnsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ActuarialAssumptionsAxis=slf_ActuarialAssumptionOfModelEnhancementsAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |