XML 92 R123.htm IDEA: XBRL DOCUMENT v2.4.1.9

Subsequent Events (Details) (USD $) In Millions, unless otherwise specified	1 Months Ended			2 Months Ended	3 Months Ended
	Jan. 31, 2014	Jan. 31, 2013	Jan. 31, 2015	Mar. 31, 2015	Mar. 31, 2015	Dec. 31, 2014	Jul. 01, 2014	Jun. 30, 2014	Jan. 01, 2014	Dec. 31, 2013	Jan. 02, 2013	Dec. 31, 2012	Feb. 28, 2014	Jan. 01, 2015
DaVinciRe
Subsequent Event [Line Items]
Redeemable noncontrolling interest, ownership percentage						23.40%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	23.40%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	26.50%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	26.50%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	27.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	32.90%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember	30.80%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember
Redeemable Noncontrolling Interest | DaVinciRe
Subsequent Event [Line Items]
Redeemable noncontrolling interest, net redemptions	$ 300.0us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember	$ 150.0us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember
Redeemable noncontrolling interest, Reserve holdback		20.5rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember											60.0rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember
Subsequent Event | DaVinciRe
Subsequent Event [Line Items]
Redeemable noncontrolling interest, ownership percentage														26.30%us-gaap_MinorityInterestOwnershipPercentageByParent / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Subsequent Event | Upsilon RFO | Primary Beneficiary
Subsequent Event [Line Items]
Capital returned to investors			317.5rnr_ConsolidationLessthanWhollyOwnedSubsidiaryParentOwnershipInterestChangesReturnofCapital / dei_LegalEntityAxis = rnr_UpsilonRFOMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember	35.3rnr_ConsolidationLessthanWhollyOwnedSubsidiaryParentOwnershipInterestChangesReturnofCapital / dei_LegalEntityAxis = rnr_UpsilonRFOMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember	352.8rnr_ConsolidationLessthanWhollyOwnedSubsidiaryParentOwnershipInterestChangesReturnofCapital / dei_LegalEntityAxis = rnr_UpsilonRFOMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember / us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis = us-gaap_VariableInterestEntityPrimaryBeneficiaryMember
Subsequent Event | Redeemable Noncontrolling Interest | DaVinciRe
Subsequent Event [Line Items]
Redeemable noncontrolling interest, net redemptions			225.0us-gaap_ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesNet / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember
Redeemable noncontrolling interest, Reserve holdback			$ 45.0rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback / dei_LegalEntityAxis = rnr_DavincireMember / us-gaap_StatementEquityComponentsAxis = rnr_RedeemableNoncontrollingInterestMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember

X

- Definition

Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Return of Capital

+ References

No definition available.

+ Details

Name:	rnr_ConsolidationLessthanWhollyOwnedSubsidiaryParentOwnershipInterestChangesReturnofCapital
Namespace Prefix:	rnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

Reserve holdback.

+ References

No definition available.

+ Details

Name:	rnr_RedeemableNoncontrollingInterestDecreaseFromRedemptionsOrPurchaseOfInterestsReserveHoldback
Namespace Prefix:	rnr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The increase (decrease) during the period impacting the parent's ownership interest in a subsidiary as it relates to the total (consolidated) equity attributable to the parent. The changes to the parent's ownership interest in a subsidiary represented by this element did not arise in a deconsolidation of the subsidiary from the consolidated financial statements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=18733093&loc=SL4573702-111684



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

-SubTopic 10

-Section 55

-Paragraph 4M

-URI http://asc.fasb.org/extlink&oid=35736750&loc=SL4591554-111686

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementEquityComponentsAxis=rnr_RedeemableNoncontrollingInterestMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: