XML 57 R44.htm IDEA: XBRL DOCUMENT v3.21.2

Reserve For Losses, LAE And Future Policy Benefit Reserve (Narrative) (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses	$ 5,577,911	$ 4,572,640
Catastrophe Losses [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses	$ 1,010,000	355,000
Covid-19 [Member]
Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]
Current year losses		$ 434,900

X

- Definition

Reserve For Losses LAE And Future Policy Benefit Reserve [Line Items]

+ References

No definition available.

+ Details

Name:	re_ReserveForLossesLaeAndFuturePolicyBenefitReserveLineItems
Namespace Prefix:	re_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount, after effects of reinsurance, of expense for claims incurred in the current reporting period and related claims settlement costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 40
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437

+ Details

Name:	us-gaap_SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_ReinsurancePolicyTypeAxis=re_CatastropheLossesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_ReinsurancePolicyTypeAxis=re_Covid19Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: