v3.26.3
Reinsurance - Cost of Reinsurance, Amortization (Details) - USD ($)
$ in Millions
3 Months Ended
9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Reinsurance
Cost of reinsurance amortization
$ 4.1
$ 39.7
$ 28.4
$ 84.3
X
- Definition
The amount of expense related to the cost of reinsurance amortization.
+ References
No definition available.
+ Details
Name:
pfg_CostOfReinsuranceAmortization
Namespace Prefix:
pfg_
Data Type:
xbrli:monetaryItemType
Balance Type:
debit
Period Type:
duration
X
- References
No definition available.
+ Details
Name:
us-gaap_ReinsuranceDisclosuresAbstract
Namespace Prefix:
us-gaap_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration