10-K Filing

XL GROUP LTD CIK: 875159 FY 2012

Filing Information

Form Type	10-K
Accession Number	`0000930413-13-001175`
Period End Date	20121231
Filing Date	20130228
Fiscal Year	2012
Fiscal Period	FY
XBRL Instance	xlgroup-20121231.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 103 Income Statement 120 Cash Flow Statement 155 Stockholders Equity 39 Comprehensive Income 30

Balance Sheet 103 line items

Line Item	Tag	Value	Unit	Period
Amortized cost of fixed maturities	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$25.77B	USD	Point-in-time
Amortized cost of fixed maturities	`AvailableForSaleDebtSecuritiesAmortizedCostBasis`	$26.54B	USD	Point-in-time
Cost of equity securities	`AvailableForSaleEquitySecuritiesAmortizedCostBasis`	$480.69M	USD	Point-in-time
Cost of equity securities	`AvailableForSaleEquitySecuritiesAmortizedCostBasis`	$617.49M	USD	Point-in-time
Amortized cost of short-term investments	`AmortizedCostOfShortTermInvestments`	$322.56M	USD	Point-in-time
Fixed maturities, at fair value (amortized cost: 2012, $26,544,806; 2011, $25,771,715)	`AvailableForSaleSecuritiesDebtSecurities`	$27.85B	USD	Point-in-time
Fixed maturities, at fair value (amortized cost: 2012, $26,544,806; 2011, $25,771,715)	`AvailableForSaleSecuritiesDebtSecurities`	$26.19B	USD	Point-in-time
Amortized cost of short-term investments	`AmortizedCostOfShortTermInvestments`	$359.38M	USD	Point-in-time
Equity securities, at fair value (cost: 2012, $617,486; 2010, $480,685)	`AvailableForSaleSecuritiesEquitySecurities`	$468.20M	USD	Point-in-time
Fair value of held to maturity securities	`HeldToMaturitySecuritiesFairValue`	$2.90B	USD	Point-in-time
Fair value of held to maturity securities	`HeldToMaturitySecuritiesFairValue`	$3.26B	USD	Point-in-time
Equity securities, at fair value (cost: 2012, $617,486; 2010, $480,685)	`AvailableForSaleSecuritiesEquitySecurities`	$649.36M	USD	Point-in-time
Ordinary shares, shares authorized (in shares)	`CommonStockSharesAuthorized`	999.99M	shares	Point-in-time
Short-term investments, at fair value (amortized cost: 2012, $322,563; 2011, $359,378)	`OtherShortTermInvestments`	$359.06M	USD	Point-in-time
Short-term investments, at fair value (amortized cost: 2012, $322,563; 2011, $359,378)	`OtherShortTermInvestments`	$322.70M	USD	Point-in-time
Ordinary shares, shares authorized (in shares)	`CommonStockSharesAuthorized`	999.99M	shares	Point-in-time
Ordinary shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total investments available for sale	`AvailableForSaleSecurities`	$28.82B	USD	Point-in-time
Ordinary shares, par value (in dollars per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Total investments available for sale	`AvailableForSaleSecurities`	$27.02B	USD	Point-in-time
Fixed maturities, held to maturity at amortized cost (fair value: 2012, $3,262,804 ;2011, $2,895,688)	`HeldToMaturitySecurities`	$2.67B	USD	Point-in-time
Fixed maturities, held to maturity at amortized cost (fair value: 2012, $3,262,804 ;2011, $2,895,688)	`HeldToMaturitySecurities`	$2.81B	USD	Point-in-time
Ordinary shares, shares issued (in shares)	`CommonStockSharesIssued`	298.68M	shares	Point-in-time
Ordinary shares, shares issued (in shares)	`CommonStockSharesIssued`	315.65M	shares	Point-in-time
Ordinary shares, shares outstanding (in shares)	`CommonStockSharesOutstanding`	316.40M	shares	Point-in-time
Investments in affiliates	`EquityMethodInvestments`	$1.05B	USD	Point-in-time
Ordinary shares, shares outstanding (in shares)	`CommonStockSharesOutstanding`	298.68M	shares	Point-in-time
Investments in affiliates	`EquityMethodInvestments`	$1.13B	USD	Point-in-time
Ordinary shares, shares outstanding (in shares)	`CommonStockSharesOutstanding`	315.65M	shares	Point-in-time
Other investments	`OtherLongTermInvestments`	$985.26M	USD	Point-in-time
Other investments	`OtherLongTermInvestments`	$1.22B	USD	Point-in-time
Total investments	`Investments`	$33.98B	USD	Point-in-time
Total investments	`Investments`	$31.72B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.64B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.83B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$3.02B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$2.62B	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$342.78M	USD	Point-in-time
Accrued investment income	`AccruedInvestmentIncomeReceivable`	$331.76M	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$647.11M	USD	Point-in-time
Deferred acquisition costs	`DeferredPolicyAcquisitionCosts`	$675.71M	USD	Point-in-time
Ceded unearned premiums	`PrepaidReinsurancePremiums`	$596.89M	USD	Point-in-time
Ceded unearned premiums	`PrepaidReinsurancePremiums`	$587.91M	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$2.57B	USD	Point-in-time
Premiums receivable	`PremiumsReceivableAtCarryingValue`	$2.41B	USD	Point-in-time
Reinsurance balances receivable	`ReinsuranceBalancesReceivable`	$220.02M	USD	Point-in-time
Reinsurance balances receivable	`ReinsuranceBalancesReceivable`	$58.43M	USD	Point-in-time
Unpaid losses and loss expenses recoverable	`ReinsuranceReceivablesIncurredButNotReportedClaims`	$3.65B	USD	Point-in-time
Unpaid losses and loss expenses recoverable	`ReinsuranceReceivablesIncurredButNotReportedClaims`	$3.38B	USD	Point-in-time
Receivable from investments sold	`NetReceivableFromInvestmentsSold`	$16.00M	USD	Point-in-time
Receivable from investments sold	`NetReceivableFromInvestmentsSold`	$59.73M	USD	Point-in-time
Goodwill and other intangible assets	`GoodwillAndOtherIntangibleAssets`	$845.13M	USD	Point-in-time
Goodwill and other intangible assets	`GoodwillAndOtherIntangibleAssets`	$407.32M	USD	Point-in-time
Goodwill and other intangible assets	`GoodwillAndOtherIntangibleAssets`	$839.51M	USD	Point-in-time
Goodwill and other intangible assets	`GoodwillAndOtherIntangibleAssets`	$408.53M	USD	Point-in-time
Deferred tax asset	`DeferredTaxAssetsNet`	$115.60M	USD	Point-in-time
Deferred tax asset	`DeferredTaxAssetsNet`	$166.14M	USD	Point-in-time
Other assets	`OtherAssets`	$582.76M	USD	Point-in-time
Other assets	`OtherAssets`	$670.89M	USD	Point-in-time
Total assets	`Assets`	$44.67B	USD	Point-in-time
Total assets	`Assets`	$45.39B	USD	Point-in-time
Unpaid losses and loss expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$20.61B	USD	Point-in-time
Unpaid losses and loss expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$20.82B	USD	Point-in-time
Unpaid losses and loss expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$20.48B	USD	Point-in-time
Unpaid losses and loss expenses	`LiabilityForClaimsAndClaimsAdjustmentExpense`	$20.53B	USD	Point-in-time
Deposit liabilities	`DepositContractsLiabilities`	$1.61B	USD	Point-in-time
Deposit liabilities	`DepositContractsLiabilities`	$1.55B	USD	Point-in-time
Future policy benefit reserves	`LiabilityForFuturePolicyBenefits`	$4.85B	USD	Point-in-time
Future policy benefit reserves	`LiabilityForFuturePolicyBenefits`	$4.81B	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$3.56B	USD	Point-in-time
Unearned premiums	`UnearnedPremiums`	$3.76B	USD	Point-in-time
Notes payable and debt	`LongTermDebt`	$2.28B	USD	Point-in-time
Notes payable and debt	`LongTermDebt`	$1.67B	USD	Point-in-time
Reinsurance balances payable	`ReinsurancePayable`	$90.55M	USD	Point-in-time
Reinsurance balances payable	`ReinsurancePayable`	$143.11M	USD	Point-in-time
Payable for investments purchased	`InvestmentRelatedLiabilities`	$58.49M	USD	Point-in-time
Payable for investments purchased	`InvestmentRelatedLiabilities`	$102.11M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilities`	$141.80M	USD	Point-in-time
Deferred tax liability	`DeferredIncomeTaxLiabilities`	$91.10M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$868.09M	USD	Point-in-time
Other liabilities	`OtherLiabilities`	$770.95M	USD	Point-in-time
Total liabilities	`Liabilities`	$33.53B	USD	Point-in-time
Total liabilities	`Liabilities`	$33.91B	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and Contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Ordinary shares, 999,990,000 authorized, par value $0.01; issued and outstanding: (2012, 298,681,576; 2011, 315,645,796)	`CommonStockValue`	$3.16M	USD	Point-in-time
Ordinary shares, 999,990,000 authorized, par value $0.01; issued and outstanding: (2012, 298,681,576; 2011, 315,645,796)	`CommonStockValue`	$2.99M	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$8.94B	USD	Point-in-time
Additional paid in capital	`AdditionalPaidInCapital`	$8.58B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$583.06M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$1.52B	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$100.80M	USD	Point-in-time
Retained earnings (deficit)	`RetainedEarningsAccumulatedDeficit`	$-113.24M	USD	Point-in-time
Retained earnings (deficit)	`RetainedEarningsAccumulatedDeficit`	$402.32M	USD	Point-in-time
Shareholders' equity attributable to XL Group plc	`StockholdersEquity`	$9.41B	USD	Point-in-time
Shareholders' equity attributable to XL Group plc	`StockholdersEquity`	$10.51B	USD	Point-in-time
Non-controlling interest in equity of consolidated subsidiaries	`MinorityInterest`	$1.34B	USD	Point-in-time
Non-controlling interest in equity of consolidated subsidiaries	`MinorityInterest`	$1.35B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.86B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.76B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.60B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$44.67B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$45.39B	USD	Point-in-time

Income Statement 120 line items

Line Item	Tag	Value	Unit	Period
Net premiums earned	`PremiumsEarnedNet`	$6.09B	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$5.41B	USD	Annual
Net premiums earned	`PremiumsEarnedNet`	$5.69B	USD	Annual
Net investment income	`InvestmentIncomeNet`	$1.14B	USD	Annual
Net investment income	`InvestmentIncomeNet`	$1.20B	USD	Annual
Net investment income	`InvestmentIncomeNet`	$1.01B	USD	Annual
Net realized gains (losses) on investments sold	`GainLossOnSaleOfSecuritiesNet`	$94.81M	USD	Annual
Net realized gains (losses) on investments sold	`GainLossOnSaleOfSecuritiesNet`	$-28.19M	USD	Annual
Net realized gains (losses) on investments sold	`GainLossOnSaleOfSecuritiesNet`	$-65.67M	USD	Annual
Other-than-temporary impairments on investments	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTotal`	$-54.31M	USD	Annual
Other-than-temporary impairments on investments	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTotal`	$-170.64M	USD	Annual
Other-than-temporary impairments on investments	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTotal`	$-174.10M	USD	Annual
Other-than-temporary impairments on investments transferred to (from) other comprehensive income	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTransferredToOtherComprehensiveIncome`	$26.41M	USD	Annual
Other-than-temporary impairments on investments transferred to (from) other comprehensive income	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTransferredToOtherComprehensiveIncome`	$-13.93M	USD	Annual
Other-than-temporary impairments on investments transferred to (from) other comprehensive income	`MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmountTransferredToOtherComprehensiveIncome`	$34.49M	USD	Annual
Total net realized gains (losses) on investments	`RealizedInvestmentGainsLosses`	$-270.80M	USD	Annual
Total net realized gains (losses) on investments	`RealizedInvestmentGainsLosses`	$-188.36M	USD	Annual
Total net realized gains (losses) on investments	`RealizedInvestmentGainsLosses`	$14.10M	USD	Annual
Net realized and unrealized gains (losses) on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$-10.74M	USD	Annual
Net realized and unrealized gains (losses) on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$-33.84M	USD	Annual
Net realized and unrealized gains (losses) on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$5.22M	USD	Annual
Income (loss) from investment fund affiliates	`IncomeLossFromEquityMethodInvestmentsInvestmentAffiliates`	$26.25M	USD	Annual
Income (loss) from investment fund affiliates	`IncomeLossFromEquityMethodInvestmentsInvestmentAffiliates`	$51.10M	USD	Annual
Income (loss) from investment fund affiliates	`IncomeLossFromEquityMethodInvestmentsInvestmentAffiliates`	$58.50M	USD	Annual
Fee income and other	`FeesAndCommissionsOther`	$40.03M	USD	Annual
Fee income and other	`FeesAndCommissionsOther`	$49.87M	USD	Annual
Fee income and other	`FeesAndCommissionsOther`	$41.75M	USD	Annual
Total revenues	`Revenues`	$6.70B	USD	Annual
Total revenues	`Revenues`	$6.40B	USD	Annual
Total revenues	`Revenues`	$7.23B	USD	Annual
Net losses and loss expenses incurred	`PolicyholderBenefitsAndClaimsIncurredNet`	$4.08B	USD	Annual
Net losses and loss expenses incurred	`PolicyholderBenefitsAndClaimsIncurredNet`	$3.77B	USD	Annual
Net losses and loss expenses incurred	`PolicyholderBenefitsAndClaimsIncurredNet`	$3.21B	USD	Annual
Claims and policy benefits	`LiabilityForFuturePolicyBenefitsPeriodExpense`	$513.83M	USD	Annual
Claims and policy benefits	`LiabilityForFuturePolicyBenefitsPeriodExpense`	$486.20M	USD	Annual
Claims and policy benefits	`LiabilityForFuturePolicyBenefitsPeriodExpense`	$535.07M	USD	Annual
Acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$826.41M	USD	Annual
Acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$913.49M	USD	Annual
Acquisition costs	`DeferredPolicyAcquisitionCostAmortizationExpense`	$788.26M	USD	Annual
Operating expenses	`OperatingExpenses`	$972.96M	USD	Annual
Operating expenses	`OperatingExpenses`	$1.08B	USD	Annual
Operating expenses	`OperatingExpenses`	$1.17B	USD	Annual
Exchange gains (losses)	`ForeignCurrencyTransactionGainLossBeforeTax`	$10.16M	USD	Annual
Exchange gains (losses)	`ForeignCurrencyTransactionGainLossBeforeTax`	$40.64M	USD	Annual
Exchange gains (losses)	`ForeignCurrencyTransactionGainLossBeforeTax`	$-10.55M	USD	Annual
Interest expense	`InterestExpense`	$172.21M	USD	Annual
Interest expense	`InterestExpense`	$213.64M	USD	Annual
Interest expense	`InterestExpense`	$205.59M	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	-	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	$429.02M	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	-	USD	Annual
Loss on termination of guarantee	`GainLossOnContractTermination`	-	USD	Annual
Loss on termination of guarantee	`GainLossOnContractTermination`	-	USD	Annual
Loss on termination of guarantee	`GainLossOnContractTermination`	$-23.50M	USD	Annual
Total expenses	`BenefitsLossesAndExpenses`	$5.71B	USD	Annual
Total expenses	`BenefitsLossesAndExpenses`	$7.12B	USD	Annual
Total expenses	`BenefitsLossesAndExpenses`	$6.52B	USD	Annual
Income (loss) before income tax and income (loss) from operating affiliates	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromOperatingAffiliates`	$684.75M	USD	Annual
Income (loss) before income tax and income (loss) from operating affiliates	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromOperatingAffiliates`	$708.61M	USD	Annual
Income (loss) before income tax and income (loss) from operating affiliates	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromOperatingAffiliates`	$-420.96M	USD	Annual
Income (loss) from operating affiliates	`IncomeLossFromEquityMethodInvestmentsOperatingAffiliates`	$55.81M	USD	Annual
Income (loss) from operating affiliates	`IncomeLossFromEquityMethodInvestmentsOperatingAffiliates`	$76.79M	USD	Annual
Income (loss) from operating affiliates	`IncomeLossFromEquityMethodInvestmentsOperatingAffiliates`	$121.37M	USD	Annual
Provision (benefit) for income tax	`IncomeTaxExpenseBenefit`	$34.03M	USD	Annual
Provision (benefit) for income tax	`IncomeTaxExpenseBenefit`	$162.74M	USD	Annual
Provision (benefit) for income tax	`IncomeTaxExpenseBenefit`	$59.71M	USD	Annual
Net income (loss)	`ProfitLoss`	$643.38M	USD	Annual
Net income (loss)	`ProfitLoss`	$730.39M	USD	Annual
Net income (loss)	`ProfitLoss`	$-403.88M	USD	Annual
Non-controlling interests	`NonControllingInterestShareOfNetIncomeAndPreferredStockDividends`	$70.88M	USD	Annual
Non-controlling interests	`NonControllingInterestShareOfNetIncomeAndPreferredStockDividends`	$39.83M	USD	Annual
Non-controlling interests	`NonControllingInterestShareOfNetIncomeAndPreferredStockDividends`	$79.25M	USD	Annual
Net income (loss) attributable to XL Group plc and ordinary shareholders	`NetIncomeLoss`	$651.13M	USD	Annual
Net income (loss) attributable to XL Group plc and ordinary shareholders	`NetIncomeLoss`	$603.55M	USD	Annual
Net income (loss) attributable to XL Group plc and ordinary shareholders	`NetIncomeLoss`	$-474.76M	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	-	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	$34.69M	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	-	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	$16.62M	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	-	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	-	USD	Annual
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-474.76M	USD	Annual
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-515.54M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$225.66M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$81.45M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$221.16M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$-227.28M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$42.40M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$651.13M	USD	Annual
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$171.90M	USD	1 Quarter
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$585.47M	USD	Annual
Net income (loss) attributable to ordinary shareholders	`NetIncomeLossAvailableToCommonStockholdersBasic`	$176.63M	USD	1 Quarter
Weighted average ordinary shares and ordinary share equivalents outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	312.90M	shares	Annual
Weighted average ordinary shares and ordinary share equivalents outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	307.37M	shares	Annual
Weighted average ordinary shares and ordinary share equivalents outstanding - basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	336.28M	shares	Annual
Weighted average ordinary shares and ordinary share equivalents outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	312.90M	shares	Annual
Weighted average ordinary shares and ordinary share equivalents outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	337.71M	shares	Annual
Weighted average ordinary shares and ordinary share equivalents outstanding - diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	310.28M	shares	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.56	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.73	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.14	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.57	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$1.74	USD	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.71	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$2.12	USD	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$-1.62	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$0.27	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$-0.73	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - basic (in dollars per share)	`EarningsPerShareBasic`	$-1.52	USD	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.56	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$-1.52	USD	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.56	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.69	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.71	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$-0.73	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$2.10	USD	Annual
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.14	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$-1.62	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$0.27	USD	1 Quarter
Earnings (loss) per ordinary share and ordinary share equivalent - diluted (in dollars per share)	`EarningsPerShareDiluted`	$1.73	USD	Annual

Cash Flow Statement 155 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$643.38M	USD	Annual
Net income (loss)	`ProfitLoss`	$730.39M	USD	Annual
Net income (loss)	`ProfitLoss`	$-403.88M	USD	Annual
Net realized (gains) losses on investments	`RealizedInvestmentGainsLosses`	$-270.80M	USD	Annual
Net realized (gains) losses on investments	`RealizedInvestmentGainsLosses`	$-188.36M	USD	Annual
Net realized (gains) losses on investments	`RealizedInvestmentGainsLosses`	$14.10M	USD	Annual
Net realized and unrealized (gains) losses on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$-10.74M	USD	Annual
Net realized and unrealized (gains) losses on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$-33.84M	USD	Annual
Net realized and unrealized (gains) losses on derivative instruments	`DerivativeGainLossOnDerivativeNet`	$5.22M	USD	Annual
Amortization of premiums (discounts) on fixed maturities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-120.13M	USD	Annual
Amortization of premiums (discounts) on fixed maturities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-169.35M	USD	Annual
Amortization of premiums (discounts) on fixed maturities	`AccretionAmortizationOfDiscountsAndPremiumsInvestments`	$-60.87M	USD	Annual
(Income) loss from investment and operating affiliates	`IncomeLossFromEquityMethodInvestments`	$103.04M	USD	Annual
(Income) loss from investment and operating affiliates	`IncomeLossFromEquityMethodInvestments`	$172.47M	USD	Annual
(Income) loss from investment and operating affiliates	`IncomeLossFromEquityMethodInvestments`	$114.31M	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	-	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	$429.02M	USD	Annual
Impairment of goodwill	`GoodwillImpairmentLoss`	-	USD	Annual
Share based compensation	`ShareBasedCompensation`	$44.06M	USD	Annual
Share based compensation	`ShareBasedCompensation`	$47.47M	USD	Annual
Share based compensation	`ShareBasedCompensation`	$41.23M	USD	Annual
Depreciation	`Depreciation`	$57.28M	USD	Annual
Depreciation	`Depreciation`	$40.42M	USD	Annual
Depreciation	`Depreciation`	$49.80M	USD	Annual
Accretion of deposit liabilities	`AccretionOfDepositLiabilities`	$104.31M	USD	Annual
Accretion of deposit liabilities	`AccretionOfDepositLiabilities`	$81.27M	USD	Annual
Accretion of deposit liabilities	`AccretionOfDepositLiabilities`	$82.80M	USD	Annual
Unpaid losses and loss expenses	`IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve`	$207.53M	USD	Annual
Unpaid losses and loss expenses	`IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve`	$-243.04M	USD	Annual
Unpaid losses and loss expenses	`IncreaseDecreaseInLossAndLossAdjustmentExpenseReserve`	$287.97M	USD	Annual
Future policy benefit reserves	`IncreaseDecreaseInFuturePolicyBenefitReserves`	$-187.40M	USD	Annual
Future policy benefit reserves	`IncreaseDecreaseInFuturePolicyBenefitReserves`	$-197.57M	USD	Annual
Future policy benefit reserves	`IncreaseDecreaseInFuturePolicyBenefitReserves`	$-171.62M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$182.96M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$95.39M	USD	Annual
Unearned premiums	`IncreaseDecreaseInUnearnedPremiums`	$-133.96M	USD	Annual
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$-94.65M	USD	Annual
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$127.63M	USD	Annual
Premiums receivable	`IncreaseDecreaseInPremiumsReceivable`	$31.29M	USD	Annual
Unpaid losses and loss expenses recoverable	`IncreaseDecreaseInReinsuranceReceivablesIncurredButNotReportedClaims`	$2.17M	USD	Annual
Unpaid losses and loss expenses recoverable	`IncreaseDecreaseInReinsuranceReceivablesIncurredButNotReportedClaims`	$74.24M	USD	Annual
Unpaid losses and loss expenses recoverable	`IncreaseDecreaseInReinsuranceReceivablesIncurredButNotReportedClaims`	$-305.68M	USD	Annual
Ceded unearned premiums	`IncreaseDecreaseInPrepaidReinsurancePremiums`	$-14.92M	USD	Annual
Ceded unearned premiums	`IncreaseDecreaseInPrepaidReinsurancePremiums`	$-21.53M	USD	Annual
Ceded unearned premiums	`IncreaseDecreaseInPrepaidReinsurancePremiums`	$-83.25M	USD	Annual
Reinsurance balances receivable	`IncreaseDecreaseInReinsuranceBalancesReceivable`	$-201.48M	USD	Annual
Reinsurance balances receivable	`IncreaseDecreaseInReinsuranceBalancesReceivable`	$49.29M	USD	Annual
Reinsurance balances receivable	`IncreaseDecreaseInReinsuranceBalancesReceivable`	$-162.28M	USD	Annual
Deferred acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$41.88M	USD	Annual
Deferred acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$649.00K	USD	Annual
Deferred acquisition costs	`IncreaseDecreaseInDeferredPolicyAcquisitionCosts`	$-12.23M	USD	Annual
Reinsurance balances payable	`IncreaseDecreaseInReinsurancePayables`	$-31.85M	USD	Annual
Reinsurance balances payable	`IncreaseDecreaseInReinsurancePayables`	$48.16M	USD	Annual
Reinsurance balances payable	`IncreaseDecreaseInReinsurancePayables`	$-253.21M	USD	Annual
Deferred tax asset - net	`IncreaseDecreaseInDeferredIncomeTaxes`	$43.58M	USD	Annual
Deferred tax asset - net	`IncreaseDecreaseInDeferredIncomeTaxes`	$-104.11M	USD	Annual
Deferred tax asset - net	`IncreaseDecreaseInDeferredIncomeTaxes`	$28.56M	USD	Annual
Derivatives	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$-93.80M	USD	Annual
Derivatives	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$-7.25M	USD	Annual
Derivatives	`IncreaseDecreaseInDerivativeAssetsAndLiabilities`	$-123.03M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-22.85M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$24.75M	USD	Annual
Other assets	`IncreaseDecreaseInOtherOperatingAssets`	$68.51M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$50.34M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-93.32M	USD	Annual
Other liabilities	`IncreaseDecreaseInOtherOperatingLiabilities`	$-32.15M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$58.25M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$82.04M	USD	Annual
Other	`OtherNoncashIncomeExpense`	$51.97M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$731.09M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$-48.62M	USD	Annual
Total adjustments	`AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities`	$325.72M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$1.06B	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$327.20M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$594.76M	USD	Annual
Proceeds from sale of fixed maturities and short-term investments	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$5.21B	USD	Annual
Proceeds from sale of fixed maturities and short-term investments	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$3.60B	USD	Annual
Proceeds from sale of fixed maturities and short-term investments	`ProceedsFromSaleOfAvailableForSaleSecuritiesDebt`	$5.09B	USD	Annual
Proceeds from redemption of fixed maturities and short-term investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$2.85B	USD	Annual
Proceeds from redemption of fixed maturities and short-term investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$3.60B	USD	Annual
Proceeds from redemption of fixed maturities and short-term investments	`ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities`	$4.58B	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesEquity`	$115.84M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesEquity`	$221.62M	USD	Annual
Proceeds from sale of equity securities	`ProceedsFromSaleOfAvailableForSaleSecuritiesEquity`	$205.74M	USD	Annual
Purchases of fixed maturities and short term investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$8.90B	USD	Annual
Purchases of fixed maturities and short term investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$8.10B	USD	Annual
Purchases of fixed maturities and short term investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$7.53B	USD	Annual
Purchases of equity securities	`PaymentsToAcquireAvailableForSaleSecuritiesEquity`	$631.17M	USD	Annual
Purchases of equity securities	`PaymentsToAcquireAvailableForSaleSecuritiesEquity`	$362.02M	USD	Annual
Purchases of equity securities	`PaymentsToAcquireAvailableForSaleSecuritiesEquity`	$157.96M	USD	Annual
Net dispositions of investment affiliates	`NetCashflowFromAcquisitionsAndDisposalsOfAffiliateInvestments`	$319.11M	USD	Annual
Net dispositions of investment affiliates	`NetCashflowFromAcquisitionsAndDisposalsOfAffiliateInvestments`	$-4.65M	USD	Annual
Net dispositions of investment affiliates	`NetCashflowFromAcquisitionsAndDisposalsOfAffiliateInvestments`	$136.28M	USD	Annual
Other investments, net	`PaymentsForProceedsFromOtherInvestingActivities`	$36.08M	USD	Annual
Other investments, net	`PaymentsForProceedsFromOtherInvestingActivities`	$79.10M	USD	Annual
Other investments, net	`PaymentsForProceedsFromOtherInvestingActivities`	$-24.85M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-942.59M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$832.10M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$261.48M	USD	Annual
Proceeds from issuance of ordinary shares and exercise of stock options	`ProceedsFromIssuanceOfOrdinarySharesAndExerciseOfStockOptions`	$1.18M	USD	Annual
Proceeds from issuance of ordinary shares and exercise of stock options	`ProceedsFromIssuanceOfOrdinarySharesAndExerciseOfStockOptions`	$5.41M	USD	Annual
Proceeds from issuance of ordinary shares and exercise of stock options	`ProceedsFromIssuanceOfOrdinarySharesAndExerciseOfStockOptions`	$576.33M	USD	Annual
Proceeds from issuance of Series D preference ordinary shares	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Proceeds from issuance of Series D preference ordinary shares	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	-	USD	Annual
Proceeds from issuance of Series D preference ordinary shares	`ProceedsFromIssuanceOfPreferredStockAndPreferenceStock`	$349.18M	USD	Annual
Buybacks of ordinary shares	`PaymentsForRepurchaseOfCommonStock`	$522.02M	USD	Annual
Buybacks of ordinary shares	`PaymentsForRepurchaseOfCommonStock`	$402.93M	USD	Annual
Buybacks of ordinary shares	`PaymentsForRepurchaseOfCommonStock`	$667.02M	USD	Annual
Repurchase of Redeemable Series C preference ordinary shares	`PaymentsForRepurchaseOfRedeemablePreferredStock`	-	USD	Annual
Repurchase of Redeemable Series C preference ordinary shares	`PaymentsForRepurchaseOfRedeemablePreferredStock`	$94.16M	USD	Annual
Repurchase of Redeemable Series C preference ordinary shares	`PaymentsForRepurchaseOfRedeemablePreferredStock`	$71.80M	USD	Annual
Dividends paid on ordinary shares	`PaymentsOfDividendsCommonStock`	$134.80M	USD	Annual
Dividends paid on ordinary shares	`PaymentsOfDividendsCommonStock`	$138.05M	USD	Annual
Dividends paid on ordinary shares	`PaymentsOfDividendsCommonStock`	$133.75M	USD	Annual
Dividends paid on preference ordinary shares	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	$40.38M	USD	Annual
Dividends paid on preference ordinary shares	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	Annual
Dividends paid on preference ordinary shares	`PaymentsOfDividendsPreferredStockAndPreferenceStock`	-	USD	Annual
Distributions to non-controlling interests	`PaymentsOfDividendsMinorityInterest`	$71.48M	USD	Annual
Distributions to non-controlling interests	`PaymentsOfDividendsMinorityInterest`	$37.39M	USD	Annual
Distributions to non-controlling interests	`PaymentsOfDividendsMinorityInterest`	$78.99M	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	$395.86M	USD	Annual
Proceeds from issuance of debt	`ProceedsFromIssuanceOfLongTermDebt`	-	USD	Annual
Contribution from non-controlling interest	`ProceedsFromMinorityShareholders`	-	USD	Annual
Contribution from non-controlling interest	`ProceedsFromMinorityShareholders`	$1.50M	USD	Annual
Contribution from non-controlling interest	`ProceedsFromMinorityShareholders`	-	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$575.00M	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	$600.00M	USD	Annual
Repayment of debt	`RepaymentsOfLongTermDebt`	-	USD	Annual
Deposit liabilities	`RepaymentOfDepositLiabilities`	$152.62M	USD	Annual
Deposit liabilities	`RepaymentOfDepositLiabilities`	$134.95M	USD	Annual
Deposit liabilities	`RepaymentOfDepositLiabilities`	$646.82M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.47B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-358.72M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-1.34B	USD	Annual
Effects of exchange rate changes on foreign currency cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$-3.72M	USD	Annual
Effects of exchange rate changes on foreign currency cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$1.67M	USD	Annual
Effects of exchange rate changes on foreign currency cash	`EffectOfExchangeRateOnCashAndCashEquivalents`	$24.49M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$802.26M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-620.83M	USD	Annual
Increase (decrease) in cash and cash equivalents	`CashAndCashEquivalentsPeriodIncreaseDecrease`	$-1.21B	USD	Annual
Cash and cash equivalents beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$3.64B	USD	Point-in-time
Cash and cash equivalents beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$3.83B	USD	Point-in-time
Cash and cash equivalents beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$3.02B	USD	Point-in-time
Cash and cash equivalents beginning of year	`CashAndCashEquivalentsAtCarryingValue`	$2.62B	USD	Point-in-time
Cash and cash equivalents end of year	`CashAndCashEquivalentsAtCarryingValue`	$3.64B	USD	Point-in-time
Cash and cash equivalents end of year	`CashAndCashEquivalentsAtCarryingValue`	$3.83B	USD	Point-in-time
Cash and cash equivalents end of year	`CashAndCashEquivalentsAtCarryingValue`	$3.02B	USD	Point-in-time
Cash and cash equivalents end of year	`CashAndCashEquivalentsAtCarryingValue`	$2.62B	USD	Point-in-time
Net taxes paid	`IncomeTaxesPaidNet`	$34.47M	USD	Annual
Net taxes paid	`IncomeTaxesPaidNet`	$106.67M	USD	Annual
Net taxes paid	`IncomeTaxesPaidNet`	$75.43M	USD	Annual
Interest paid on notes payable and debt	`InterestPaid`	$149.13M	USD	Annual
Interest paid on notes payable and debt	`InterestPaid`	$162.09M	USD	Annual
Interest paid on notes payable and debt	`InterestPaid`	$116.69M	USD	Annual

Stockholders Equity 39 line items

Line Item	Tag	Value	Unit	Period
Balance, beginning of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.86B	USD	Point-in-time
Balance, beginning of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.76B	USD	Point-in-time
Balance, beginning of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.60B	USD	Point-in-time
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	$31.92M	USD	Annual
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	-	USD	Annual
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	-	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$841.21M	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$446.43M	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$997.07M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$25.27M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$44.31M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$46.16M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$67.28M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$124.91M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$39.46M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.62M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$9.98M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.62M	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	-	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	$-3.71M	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	-	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-8.16M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-26.70M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$50.95M	USD	Annual
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$651.13M	USD	Annual
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$603.55M	USD	Annual
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$-474.76M	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	-	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	$34.69M	USD	Annual
Dividends on Series C and Series E preference ordinary shares	`DividendsPreferredStockCash`	-	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	$16.62M	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	-	USD	Annual
Gain on redemption of Redeemable Series C preference ordinary shares	`GainOnRedemptionOfSeriesCPreferenceOrdinaryShares`	-	USD	Annual
Balance, end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$11.86B	USD	Point-in-time
Balance, end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.76B	USD	Point-in-time
Balance, end of year	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$10.60B	USD	Point-in-time

Comprehensive Income 30 line items

Line Item	Tag	Value	Unit	Period
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$651.13M	USD	Annual
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$603.55M	USD	Annual
Net income (loss) attributable to XL Group plc	`NetIncomeLoss`	$-474.76M	USD	Annual
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	$31.92M	USD	Annual
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	-	USD	Annual
Impact of adoption of new authoritative embedded derivative guidance, net of taxes	`ImpactOfAdoptionOfNewAuthoritativeEmbeddedDerivativeGuidanceNetOfTax`	-	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$841.21M	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$446.43M	USD	Annual
Change in net unrealized gains (losses) on investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnInvestmentsNetOfTax`	$997.07M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$25.27M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$44.31M	USD	Annual
Change in net unrealized gains (losses) on affiliate and other investments, net of tax	`ChangeInNetUnrealizedGainsLossesOnAffiliateAndOtherInvestmentsNetOfTax`	$46.16M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$67.28M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$124.91M	USD	Annual
Change in OTTI losses recognized in other comprehensive income, net of tax	`ChangeInOttiLossesRecognizedInOtherComprehensiveIncomeNetOfTax`	$39.46M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.62M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$9.98M	USD	Annual
Change in underfunded pension liability	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.62M	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	-	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	$-3.71M	USD	Annual
Change in net unrealized gain (loss) on future policy benefit reserves	`ChangeInNetUnrealizedGainLossOnFuturePolicyBenefitReserves`	-	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Change in value of cash flow hedge	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$439.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-8.16M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$-26.70M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentNetOfTaxPortionAttributableToParent`	$50.95M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$1.59B	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$1.85B	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTax`	$7.51M	USD	Annual

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.