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Statutory Requirements - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($)
Multi-Beneficiary Reduced Collateral Reinsurance Trust | Renaissance Reinsurance
Statutory Accounting Practices [Line Items]
Multi-beneficiary reduced collateral reinsurance trust collateral reduction	20.00%
Multi-Beneficiary Reduced Collateral Reinsurance Trust | RenaissanceRe Europe
Statutory Accounting Practices [Line Items]
Multi-beneficiary reduced collateral reinsurance trust collateral reduction	20.00%
Multi-Beneficiary Reduced Collateral Reinsurance Trust | DaVinci Reinsurance
Statutory Accounting Practices [Line Items]
Multi-beneficiary reduced collateral reinsurance trust collateral reduction	50.00%
U.S.
Statutory Accounting Practices [Line Items]
Ordinary dividend capacity	$ 103.5

X

- Definition

Reduction in collateral requirements of multi-beneficiary reinsurance trust to the percentage noted of the net outstanding insurance liabilities.

+ References

No definition available.

+ Details

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Namespace Prefix:	rnr_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	duration

X

- 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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(23)(c))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479440/944-210-S99-1

+ Details

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- Definition

Amount of dividends that can be declared or paid without approval of regulatory agency.

+ References

No definition available.

+ Details

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X

- Details

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X

- Details

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- Details

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X

- Details

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- Details

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