v3.26.3
Segment Information (Details)
9 Months Ended
Sep. 30, 2026
Segment Information
Number of reportable segments disclosed by definition
true
X
- Definition
Indicates the number of reportable segments disclosed by definition.
+ References
No definition available.
+ Details
Name:
pfg_NumberOfReportableSegmentsDisclosedByDefinitionFlag
Namespace Prefix:
pfg_
Data Type:
xbrli:booleanItemType
Balance Type:
na
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_SegmentReportingAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration