Debt - Short-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Short-Term Debt
Credit facilities	$ 800.0	$ 800.0
Credit facility maturing in October 2027 \| PLIC
Short-Term Debt
Credit facilities	$ 800.0
Credit facility maturing November 2023 \| PFG, PFS, PLIC as co-borrowers
Short-Term Debt
Credit facilities		600.0
Credit facility maturing November 2023 \| PFG, PFS, PLIC and Principal Financial Services V (UK) Ltd as co-borrowers
Short-Term Debt
Credit facilities		200.0
Commercial paper
Short-Term Debt
Support provided by back-stop facility for commercial paper program (as a percent)	100.00%
Back-stop facility outstanding balances	$ 0.0	$ 0.0

Amount of outstanding back-stop facilities as of the balance sheet date.

No definition available.

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- Definition

Percentage of support provided by back-stop facility for commercial paper program.

+ References

No definition available.

+ Details

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

+ Details

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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