XML 136 R124.htm IDEA: XBRL DOCUMENT v3.25.3

Segment Information - Expenses from exited business (Details) - Reconciling items - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Expenses from exited business included:
Amortization of reinsurance loss	$ 18.8	$ 47.0	$ 66.7	$ 476.7
Other impacts of exited business	28.6	21.1	156.0	(115.2)
Total expenses from exited business	$ 47.4	$ 68.1	$ 222.7	$ 361.5

X

- Definition

Amount of amortization expense (reversal of expense) for any reinsurance gains (losses) relating to exited business during the reporting period.

+ References

No definition available.

+ Details

Name:	pfg_AmortizationExpensesOfReinsuranceGainsLossesExitedBusiness
Namespace Prefix:	pfg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of expenses from exited business incurred by the entity during the reporting period.

+ References

No definition available.

+ Details

Name:	pfg_ExpensesFromExitedBusiness
Namespace Prefix:	pfg_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	pfg_ExpensesFromExitedBusinessAbstract
Namespace Prefix:	pfg_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of increase (decrease) in expenses of exited business due to other impacts during the reporting period.

+ References

No definition available.

+ Details

Name:	pfg_OtherImpactsOnExpensesOfExitedBusiness
Namespace Prefix:	pfg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_ConsolidationItemsAxis=us-gaap_MaterialReconcilingItemsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: