XML 95 R69.htm IDEA: XBRL DOCUMENT v3.22.0.1

Segmented Information - Narrative (Details)	Dec. 31, 2021 segment
Operating Segments [Abstract]
Number of operating segments	5

X

- Definition

Number Of Operating Segments1

+ References

No definition available.

+ Details

Name:	slf_NumberOfOperatingSegments1
Namespace Prefix:	slf_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Operating Segments [Abstract]

+ References

No definition available.

+ Details

Name:	slf_OperatingSegmentsAbstract
Namespace Prefix:	slf_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration