$unm 2011 Q4 10-K

Concept	2011 Q4	2011 Q3	2011 Q2
Revenue	$2.605B	$2.546B	$2.565B
YoY Change	0.45%	0.7%	2.15%
Cost Of Revenue		$1.636B	$1.599B
YoY Change		3.03%	1.25%
Gross Profit		$910.0M	$965.1M
YoY Change		-3.23%	3.66%
Gross Profit Margin		35.75%	37.63%
Selling, General & Admin	$209.1M	$198.3M	$198.7M
YoY Change	8.06%	2.16%	3.81%
% of Gross Profit		21.79%	20.59%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$20.90M	$84.30M	$94.60M
YoY Change	8.29%	-35.45%	-30.39%
% of Gross Profit		9.26%	9.8%
Operating Expenses	$2.991B	$2.222B	$2.195B
YoY Change	-62.43%	2.57%	1.22%
Operating Profit		$320.6M	$346.1M
YoY Change		-1.48%	2.52%
Interest Expense	-$35.20M	-$35.10M	-$35.10M
YoY Change	-9.97%	-0.28%	2.93%
% of Operating Profit		-10.95%	-10.14%
Other Income/Expense, Net
YoY Change
Pretax Income	-$617.3M	$288.7M	$334.5M
YoY Change	-283.99%	-11.58%	8.57%
Income Tax	$0.00	$86.70M	$106.9M
% Of Pretax Income		30.03%	31.96%
Net Earnings	-$369.0M	$202.0M	$227.6M
YoY Change	-263.42%	-8.51%	8.54%
Net Earnings / Revenue	-14.17%	7.94%	8.88%
Basic Earnings Per Share	-$1.26	$0.68	$0.74
Diluted Earnings Per Share	-$1.26	$0.68	$0.74
COMMON SHARES
Basic Shares Outstanding	292.4M shares	298.2M shares	306.3M shares
Diluted Shares Outstanding		299.2M shares	307.4M shares

Concept	2011 Q4	2011 Q3	2011 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$117.0M	$52.00M	$71.00M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$493.3M	$492.1M	$487.2M
YoY Change	3.46%	5.15%	7.31%
Goodwill	$201.2M	$201.2M	$201.6M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments	$49.21B	$48.76B	$46.80B
YoY Change	6.43%	2.18%	3.07%
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$59.56B	$60.04B	$58.02B
YoY Change	3.92%	1.67%	2.15%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$312.0M	$342.0M	$140.0M
YoY Change	38.67%	52.0%	-37.78%
Total Short-Term Liabilities	$350.0M	$425.0M	$264.0M
YoY Change	-3.05%	12.14%	-33.67%
LONG-TERM LIABILITIES
Long-Term Debt	$2.570B	$2.587B	$2.589B
YoY Change	-2.32%	-2.78%	14.2%
Other Long-Term Liabilities	$1.815B	$1.526B	$1.546B
YoY Change	15.75%	-9.06%	0.52%
Total Long-Term Liabilities	$4.385B	$4.113B	$4.135B
YoY Change	4.43%	-5.21%	8.67%
TOTAL LIABILITIES
Total Short-Term Liabilities	$350.0M	$425.0M	$264.0M
Total Long-Term Liabilities	$4.385B	$4.113B	$4.135B
Total Liabilities	$51.39B	$50.58B	$48.93B
YoY Change	6.25%	0.9%	2.11%
SHAREHOLDERS EQUITY
Retained Earnings	$6.611B	$7.487B	$7.314B
YoY Change	-6.37%
Common Stock	$2.627B	$2.617B	$2.613B
YoY Change	-0.94%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.530B	$1.530B	$1.280B
YoY Change	37.82%
Treasury Stock Shares	65.98M shares	65.98M shares	54.84M shares
Shareholders Equity	$8.170B	$8.996B	$8.620B
YoY Change
Total Liabilities & Shareholders Equity	$59.56B	$60.04B	$58.02B
YoY Change	3.92%	1.67%	2.15%

Concept	2011 Q4	2011 Q3	2011 Q2
OPERATING ACTIVITIES
Net Income	-$369.0M	$202.0M	$227.6M
YoY Change	-263.42%	-8.51%	8.54%
Depreciation, Depletion And Amortization	$20.90M	$84.30M	$94.60M
YoY Change	8.29%	-35.45%	-30.39%
Cash From Operating Activities	$405.0M	$173.0M	$314.7M
YoY Change	43.11%	-29.5%	-18.64%
INVESTING ACTIVITIES
Capital Expenditures
YoY Change
Acquisitions
YoY Change
Other Investing Activities	-$269.3M	-$94.80M	-$234.2M
YoY Change	16.68%	-77.09%	30.69%
Cash From Investing Activities	-$269.3M	-$94.80M	-$234.2M
YoY Change	16.68%	-77.09%	30.69%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-71.40M	-97.10M	-65.90M
YoY Change	-7.51%	-158.64%	-62.96%
NET CHANGE
Cash From Operating Activities	405.0M	173.0M	314.7M
Cash From Investing Activities	-269.3M	-94.80M	-234.2M
Cash From Financing Activities	-71.40M	-97.10M	-65.90M
Net Change In Cash	64.30M	-18.90M	14.60M
YoY Change	-357.2%	575.0%	-50.84%
FREE CASH FLOW
Cash From Operating Activities	$405.0M	$173.0M	$314.7M
Capital Expenditures
Free Cash Flow
YoY Change

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2011Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	681800000	USD
CY2012Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	694600000	USD
CY2011Q4	us-gaap	Accumulated Amortization Of Other Deferred Costs AccumulatedAmortizationOfOtherDeferredCosts	119300000	USD
CY2012Q4	us-gaap	Accumulated Amortization Of Other Deferred Costs AccumulatedAmortizationOfOtherDeferredCosts	131500000	USD
CY2012Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	705000000	USD
CY2011Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	670900000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	614800000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	873500000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	408700000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax	401600000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	444100000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax	574500000	USD
CY2011Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-117600000	USD
CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax	-72600000	USD
CY2012Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2607700000	USD
CY2011Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	2591100000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	3500000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-3300000	USD
CY2010	us-gaap	Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation	-2700000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	24200000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	25200000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	23500000	USD
CY2011	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	15300000	USD
CY2010	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	17200000	USD
CY2012	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	15600000	USD
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2500000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	2100000	shares
CY2010	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3500000	shares
CY2011Q4	us-gaap	Assets Assets	59555200000	USD
CY2012Q4	us-gaap	Assets Assets	62236100000	USD
CY2011	us-gaap	Assumed Premiums Earned Accident And Health AssumedPremiumsEarnedAccidentAndHealth	216600000	USD
CY2012	us-gaap	Assumed Premiums Earned Accident And Health AssumedPremiumsEarnedAccidentAndHealth	210900000	USD
CY2010	us-gaap	Assumed Premiums Earned Accident And Health AssumedPremiumsEarnedAccidentAndHealth	241300000	USD
CY2012Q4	us-gaap	Available For Sale Equity Securities Amortized Cost Basis AvailableForSaleEquitySecuritiesAmortizedCostBasis	11200000	USD
CY2012Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	44973000000	USD
CY2011Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	42486700000	USD
CY2011Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	36640700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	37751500000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2041700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	586800000	USD
CY2011Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	949200000	USD
CY2012Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	596800000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	9752300000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	9630500000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	5922800000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	5161500000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	19192100000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	18499000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	36640700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost	37751500000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	956400000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	715100000	USD
CY2012Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	1927900000	USD
CY2011Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost	2634600000	USD
CY2011Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	42486700000	USD
CY2012Q4	us-gaap	Available For Sale Securities Fair Value Disclosure AvailableForSaleSecuritiesFairValueDisclosure	44973000000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	29300000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	61100000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	74000000	USD
CY2010	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	41300000	USD
CY2012	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	20400000	USD
CY2011	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	24000000	USD
CY2011Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	222200000	USD
CY2012Q4	us-gaap	Available For Sale Securities Gross Unrealized Losses1 AvailableForSaleSecuritiesGrossUnrealizedLosses1	56000000	USD
CY2012Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	108600000	USD
CY2011Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	114900000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	142700000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2	44200000	USD
CY2011Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	79500000	USD
CY2012Q4	us-gaap	Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2 AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2	11800000	USD
CY2011Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	6068200000	USD
CY2012Q4	us-gaap	Availableforsale Securities Gross Unrealized Gain AvailableforsaleSecuritiesGrossUnrealizedGain	7277500000	USD
CY2010	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	8873300000	USD
CY2011	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	9944700000	USD
CY2012	us-gaap	Benefits Losses And Expenses BenefitsLossesAndExpenses	9265900000	USD
CY2012Q4	us-gaap	Cash Cash	77300000	USD
CY2011Q4	us-gaap	Cash Cash	116600000	USD
CY2009Q4	us-gaap	Cash Cash	71600000	USD
CY2010Q4	us-gaap	Cash Cash	53600000	USD
CY2012	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-39300000	USD
CY2010	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-18000000	USD
CY2011	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	63000000	USD
CY2012Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	277500000	USD
CY2011Q4	us-gaap	Cash And Securities Segregated Under Federal And Other Regulations CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations	294300000	USD
CY2012Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	455800000	USD
CY2011Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	312300000	USD
CY2011Q4	us-gaap	Cash Dividends Paid To Parent Company CashDividendsPaidToParentCompany	150000000	GBP
CY2012	us-gaap	Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths	41400000	USD
CY2011	us-gaap	Ceded Premiums Earned Accident And Health CededPremiumsEarnedAccidentAndHealth	-223900000	USD
CY2012	us-gaap	Ceded Premiums Earned Accident And Health CededPremiumsEarnedAccidentAndHealth	-230800000	USD
CY2010	us-gaap	Ceded Premiums Earned Accident And Health CededPremiumsEarnedAccidentAndHealth	-244200000	USD
CY2012Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2011Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2012Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.10
CY2012Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	725000000	shares
CY2011Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	725000000	shares
CY2011Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	358691567	shares
CY2012Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	359751943	shares
CY2012Q4	us-gaap	Common Stock Value CommonStockValue	36000000	USD
CY2011Q4	us-gaap	Common Stock Value CommonStockValue	35900000	USD
CY2011	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	394600000	USD
CY2012	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1060600000	USD
CY2010	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	882600000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	164400000	USD
CY2010	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	246900000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	218400000	USD
CY2010	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	54100000	USD
CY2012	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	42200000	USD
CY2011	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	12100000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	230500000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	206600000	USD
CY2010	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	301000000	USD
CY2011Q4	us-gaap	Debt Current DebtCurrent	312300000	USD
CY2012Q4	us-gaap	Debt Current DebtCurrent	455800000	USD
CY2012Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	3211200000	USD
CY2011Q4	us-gaap	Debt Longterm And Shortterm Combined Amount DebtLongtermAndShorttermCombinedAmount	2882500000	USD
CY2010	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	144500000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-203400000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	173500000	USD
CY2011	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	22000000	USD
CY2012	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-25000000	USD
CY2010	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-4300000	USD
CY2010	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	140200000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-181400000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	148500000	USD
CY2012Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	269400000	USD
CY2011Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	44700000	USD
CY2011	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	365700000	USD
CY2012	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	378700000	USD
CY2010	us-gaap	Deferred Policy Acquisition Cost Amortization Expense DeferredPolicyAcquisitionCostAmortizationExpense	373300000	USD
CY2011Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	1677100000	USD
CY2012Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	1755500000	USD
CY2010Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	1816100000	USD
CY2009Q4	us-gaap	Deferred Policy Acquisition Costs DeferredPolicyAcquisitionCosts	1784300000	USD
CY2010	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	-422500000	USD
CY2012	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	-467300000	USD
CY2011	us-gaap	Deferred Policy Acquisition Costs Additions DeferredPolicyAcquisitionCostsAdditions	-442500000	USD
CY2012Q4	us-gaap	Deferred Revenue And Credits DeferredRevenueAndCredits	67400000	USD
CY2011Q4	us-gaap	Deferred Revenue And Credits DeferredRevenueAndCredits	81000000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	689300000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	641800000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	600000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	29700000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	262300000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits	315200000	USD
CY2011Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	349800000	USD
CY2012Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	373500000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	958700000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	686500000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	35600000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost	62800000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	138200000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	252000000	USD
CY2012Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	643900000	USD
CY2011Q4	us-gaap	Deferred Tax Liabilities Other Comprehensive Income DeferredTaxLiabilitiesOtherComprehensiveIncome	512700000	USD
CY2012Q4	us-gaap	Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiability	992200000	USD
CY2012	us-gaap	Defined Benefit Plan Amounts That Will Be Amortized From Accumulated Other Comprehensive Income Loss In Next Fiscal Year DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear	59800000	USD
CY2011	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	81100000	USD
CY2010	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	75400000	USD
CY2012	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	84300000	USD
CY2010	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	458100000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	455000000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	468500000	USD
CY2011Q4	us-gaap	Derivative Assets DerivativeAssets	137700000	USD
CY2012Q4	us-gaap	Derivative Assets DerivativeAssets	81600000	USD
CY2012Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	0	USD
CY2011Q4	us-gaap	Derivative Collateral Obligation To Return Cash DerivativeCollateralObligationToReturnCash	45600000	USD
CY2011Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	0	USD
CY2012Q4	us-gaap	Derivative Collateral Right To Reclaim Cash DerivativeCollateralRightToReclaimCash	1800000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	20100000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	45700000	USD
CY2010	us-gaap	Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet	10700000	USD
CY2012	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	81400000	USD
CY2011	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	72700000	USD
CY2010	us-gaap	Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet	-4100000	USD
CY2011Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	309400000	USD
CY2012Q4	us-gaap	Derivative Liabilities DerivativeLiabilities	254400000	USD
CY2011Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	173700000	USD
CY2012Q4	us-gaap	Derivative Net Liability Position Aggregate Fair Value DerivativeNetLiabilityPositionAggregateFairValue	170500000	USD
CY2011	us-gaap	Direct Premiums Earned Accident And Health DirectPremiumsEarnedAccidentAndHealth	7521500000	USD
CY2010	us-gaap	Direct Premiums Earned Accident And Health DirectPremiumsEarnedAccidentAndHealth	7434300000	USD
CY2012	us-gaap	Direct Premiums Earned Accident And Health DirectPremiumsEarnedAccidentAndHealth	7736000000	USD
CY2012	us-gaap	Dividend Payment Restrictions Schedule Description DividendPaymentRestrictionsScheduleDescription	.1
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	3.18
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.94
CY2010	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.70
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.86
CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.83
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
CY2012Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.74
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.68
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.26
CY2011Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.72
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.94
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	3.17
CY2010	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.69
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.85
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.73
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.76
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.83
CY2011Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.71
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.26
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2010	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.334
CY2012	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.284
CY2011	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.147
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2010	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.003
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.020
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.013
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.010
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.001
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.031
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	-0.009
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	-0.110
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Prior Year Income Taxes EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes	0.004
CY2012	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.027
CY2010	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.006
CY2011	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Investment EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment	-0.059
CY2011	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	-39400000	USD
CY2012	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	51800000	USD
CY2010	us-gaap	Embedded Derivative Gain Loss On Embedded Derivative Net EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet	21100000	USD
CY2011Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	3262500000	USD
CY2012Q4	us-gaap	Fair Value Assets Level1 To Level2 Transfers Amount FairValueAssetsLevel1ToLevel2TransfersAmount	3730500000	USD
CY2011Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	2006100000	USD
CY2012Q4	us-gaap	Fair Value Assets Level2 To Level1 Transfers Amount FairValueAssetsLevel2ToLevel1TransfersAmount	1115700000	USD
CY2009Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	3200000	USD
CY2010Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1500000	USD
CY2012Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1500000	USD
CY2011Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	1500000	USD
CY2010	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	4100000	USD
CY2012	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1800000	USD
CY2011	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	0	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	0	USD
CY2012Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	4300000	USD
CY2011Q4	us-gaap	Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue	9400000	USD
CY2012	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-3300000	USD
CY2011	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-1600000	USD
CY2010	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	-3900000	USD
CY2011	us-gaap	Gain Loss On Investments GainLossOnInvestments	-4900000	USD
CY2012	us-gaap	Gain Loss On Investments GainLossOnInvestments	56200000	USD
CY2010	us-gaap	Gain Loss On Investments GainLossOnInvestments	24700000	USD
CY2012Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	21300000	USD
CY2012Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	12400000	USD
CY2012Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	24600000	USD
CY2012Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	-2100000	USD
CY2011Q2	us-gaap	Gain Loss On Investments GainLossOnInvestments	-3600000	USD
CY2011Q1	us-gaap	Gain Loss On Investments GainLossOnInvestments	15200000	USD
CY2011Q4	us-gaap	Gain Loss On Investments GainLossOnInvestments	7400000	USD
CY2011Q3	us-gaap	Gain Loss On Investments GainLossOnInvestments	-23900000	USD
CY2010	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	40600000	USD
CY2011	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	15000000	USD
CY2012	us-gaap	Gain Loss On Investments Excluding Other Than Temporary Impairments GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments	56200000	USD
CY2012	us-gaap	Gain On Cash Flow Hedge Ineffectiveness GainOnCashFlowHedgeIneffectiveness	0	USD
CY2011	us-gaap	Gain On Cash Flow Hedge Ineffectiveness GainOnCashFlowHedgeIneffectiveness	0	USD
CY2010	us-gaap	Gain On Cash Flow Hedge Ineffectiveness GainOnCashFlowHedgeIneffectiveness	0	USD
CY2011Q4	us-gaap	Goodwill Goodwill	201200000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	201700000	USD
CY2010	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	22900000	USD
CY2011	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	21300000	USD
CY2012	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	19100000	USD
CY2010	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	0	USD
CY2012	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	800000	USD
CY2011	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	800000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	22500000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	17400000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1500000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1500000	USD
CY2011Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	24000000	USD
CY2012Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	18900000	USD
CY2010	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2012	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	0	USD
CY2011	us-gaap	Impairment Of Intangible Assets Finitelived ImpairmentOfIntangibleAssetsFinitelived	196000000	USD
CY2010	us-gaap	Impairment Of Investments ImpairmentOfInvestments	3800000	USD
CY2012	us-gaap	Impairment Of Investments ImpairmentOfInvestments	1900000	USD
CY2011	us-gaap	Impairment Of Investments ImpairmentOfInvestments	600000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1128400000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	160500000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	1113100000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	172800000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	206800000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	121100000	USD
CY2010	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1319900000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1249500000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	333300000	USD
CY2012Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	320400000	USD
CY2012Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	322700000	USD
CY2012Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	310000000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	296400000	USD
CY2011Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	-617300000	USD
CY2011Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	327400000	USD
CY2011Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	288700000	USD
CY2011Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	334500000	USD
CY2012	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	16100000	USD
CY2011	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	14400000	USD
CY2010	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	3300000	USD
CY2012Q4	us-gaap	Income Tax Examination Increase Decrease In Liability From Prior Year IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear	-11000000	USD
CY2011Q4	us-gaap	Income Tax Examination Increase Decrease In Liability From Prior Year IncomeTaxExaminationIncreaseDecreaseInLiabilityFromPriorYear	-41300000	USD
CY2012Q4	us-gaap	Income Tax Examination Liability Refund Adjustment From Settlement With Taxing Authority IncomeTaxExaminationLiabilityRefundAdjustmentFromSettlementWithTaxingAuthority	60400000	USD
CY2010	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	441200000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	355100000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	49100000	USD
CY2012	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	428400000	USD
CY2010	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	440400000	USD
CY2011	us-gaap	Income Tax Expense Benefit Intraperiod Tax Allocation IncomeTaxExpenseBenefitIntraperiodTaxAllocation	100400000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	6800000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	9300000	USD
CY2010	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	2700000	USD
CY2011Q4	us-gaap	Income Tax Reconciliation Repatriation Of Foreign Earnings IncomeTaxReconciliationRepatriationOfForeignEarnings	18600000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	185000000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	303500000	USD
CY2010	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	273000000	USD
CY2011	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-274400000	USD
CY2012	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	168000000	USD
CY2010	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	160300000	USD
CY2010	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	276200000	USD
CY2011	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	240600000	USD
CY2012	us-gaap	Increase Decrease In Accrued Investment Income Receivable IncreaseDecreaseInAccruedInvestmentIncomeReceivable	221300000	USD
CY2012	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	88600000	USD
CY2010	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	49200000	USD
CY2011	us-gaap	Increase Decrease In Deferred Policy Acquisition Costs IncreaseDecreaseInDeferredPolicyAcquisitionCosts	76800000	USD
CY2010	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	537800000	USD
CY2011	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	1113900000	USD
CY2012	us-gaap	Increase Decrease In Insurance Liabilities IncreaseDecreaseInInsuranceLiabilities	508400000	USD
CY2010	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	-95500000	USD
CY2011	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	68400000	USD
CY2012	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	18600000	USD
CY2012	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-40400000	USD
CY2011	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-37000000	USD
CY2010	us-gaap	Increase Decrease In Receivables IncreaseDecreaseInReceivables	-1700000	USD
CY2012	us-gaap	Insurance Commissions InsuranceCommissions	917200000	USD
CY2011	us-gaap	Insurance Commissions InsuranceCommissions	879200000	USD
CY2010	us-gaap	Insurance Commissions InsuranceCommissions	855400000	USD
CY2011	us-gaap	Interest And Debt Expense InterestAndDebtExpense	143300000	USD
CY2010	us-gaap	Interest And Debt Expense InterestAndDebtExpense	141800000	USD
CY2012	us-gaap	Interest And Debt Expense InterestAndDebtExpense	145400000	USD
CY2012	us-gaap	Interest Paid InterestPaid	139600000	USD
CY2011	us-gaap	Interest Paid InterestPaid	145400000	USD
CY2010	us-gaap	Interest Paid InterestPaid	140700000	USD
CY2010	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	2545800000	USD
CY2012	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	2574300000	USD
CY2011	us-gaap	Investment Income Interest And Dividend InvestmentIncomeInterestAndDividend	2578300000	USD
CY2011	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	26900000	USD
CY2012	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	26900000	USD
CY2010	us-gaap	Investment Income Investment Expense InvestmentIncomeInvestmentExpense	28200000	USD
CY2012Q4	us-gaap	Investment Owned At Cost InvestmentOwnedAtCost	44585000000	USD
CY2012Q4	us-gaap	Investments Investments	51904800000	USD
CY2011Q4	us-gaap	Investments Investments	49213100000	USD
CY2011	us-gaap	Labor And Related Expense LaborAndRelatedExpense	808000000	USD
CY2012	us-gaap	Labor And Related Expense LaborAndRelatedExpense	786800000	USD
CY2010	us-gaap	Labor And Related Expense LaborAndRelatedExpense	776300000	USD
CY2011Q4	us-gaap	Liabilities Liabilities	51385500000	USD
CY2012Q4	us-gaap	Liabilities Liabilities	53623500000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	62236100000	USD
CY2011Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	59555200000	USD
CY2012Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Disability Accident And Health LiabilityForClaimsAndClaimsAdjustmentExpenseDisabilityAccidentAndHealth	1484600000	USD
CY2011Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Disability Accident And Health LiabilityForClaimsAndClaimsAdjustmentExpenseDisabilityAccidentAndHealth	1494000000	USD
CY2010Q4	us-gaap	Liability For Claims And Claims Adjustment Expense Disability Accident And Health LiabilityForClaimsAndClaimsAdjustmentExpenseDisabilityAccidentAndHealth	1565000000	USD
CY2010Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	41280000000	USD
CY2011Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	44545900000	USD
CY2012Q4	us-gaap	Liability For Future Policy Benefits LiabilityForFuturePolicyBenefits	46179000000	USD
CY2011Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	43051900000	USD
CY2012Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	44694400000	USD
CY2010Q4	us-gaap	Liability For Future Policy Benefits And Unpaid Claims And Claims Adjustment Expense LiabilityForFuturePolicyBenefitsAndUnpaidClaimsAndClaimsAdjustmentExpense	39715000000	USD
CY2011Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	86900000	USD
CY2010Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	123700000	USD
CY2012Q4	us-gaap	Liability For Uncertain Tax Positions Noncurrent LiabilityForUncertainTaxPositionsNoncurrent	15000000	USD
CY2010	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	-5746800000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	-6102000000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaid	-5912800000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear	-1715400000	USD
CY2010	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear	-1514800000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear	-1588600000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	-4386600000	USD
CY2010	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	-4232000000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears	-4324200000	USD
CY2012Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross	24567100000	USD
CY2010Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross	24339400000	USD
CY2011Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross	24586500000	USD
CY2009Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Gross LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseGross	24585700000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	6145500000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	6119200000	USD
CY2010	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims	5651600000	USD
CY2010	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear	4517900000	USD
CY2011	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear	4684400000	USD
CY2012	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Current Year LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsCurrentYear	4946200000	USD
CY2011Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	22543900000	USD
CY2010Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	22311200000	USD
CY2012Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	22561100000	USD
CY2009Q4	us-gaap	Liability For Unpaid Claims And Claims Adjustment Expense Net LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet	22406400000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	2755400000	USD
CY2011Q4	us-gaap	Long Term Debt LongTermDebt	2570200000	USD
CY2011Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2570200000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	2755400000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2095100000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	350000000	USD
CY2012Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	296900000	USD
CY2011Q4	us-gaap	Marketable Securities Equity Securities MarketableSecuritiesEquitySecurities	11200000	USD
CY2012Q4	us-gaap	Marketable Securities Equity Securities MarketableSecuritiesEquitySecurities	14600000	USD
CY2011	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	19900000	USD
CY2010	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	15900000	USD
CY2012	us-gaap	Marketable Securities Realized Gain Loss Other Than Temporary Impairments Amount MarketableSecuritiesRealizedGainLossOtherThanTemporaryImpairmentsAmount	0	USD
CY2011Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1612300000	USD
CY2012Q4	us-gaap	Mortgage Loans On Real Estate Commercial And Consumer Net MortgageLoansOnRealEstateCommercialAndConsumerNet	1712700000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-305500000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-720400000	USD
CY2010	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-141100000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1113400000	USD
CY2010	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1073700000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-410300000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1379600000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1193700000	USD
CY2010	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1196800000	USD
CY2010	us-gaap	Net Income Loss NetIncomeLoss	878700000	USD
CY2011	us-gaap	Net Income Loss NetIncomeLoss	284200000	USD
CY2012	us-gaap	Net Income Loss NetIncomeLoss	894400000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	216400000	USD
CY2012Q3	us-gaap	Net Income Loss NetIncomeLoss	230200000	USD
CY2012Q4	us-gaap	Net Income Loss NetIncomeLoss	233900000	USD
CY2012Q1	us-gaap	Net Income Loss NetIncomeLoss	213900000	USD
CY2011Q3	us-gaap	Net Income Loss NetIncomeLoss	202000000	USD
CY2011Q1	us-gaap	Net Income Loss NetIncomeLoss	223600000	USD
CY2011Q2	us-gaap	Net Income Loss NetIncomeLoss	227600000	USD
CY2011Q4	us-gaap	Net Income Loss NetIncomeLoss	-369000000	USD
CY2010	us-gaap	Net Investment Income NetInvestmentIncome	2495500000	USD
CY2012	us-gaap	Net Investment Income NetInvestmentIncome	2515200000	USD
CY2011	us-gaap	Net Investment Income NetInvestmentIncome	2519600000	USD
CY2012Q2	us-gaap	Net Investment Income NetInvestmentIncome	633500000	USD
CY2012Q4	us-gaap	Net Investment Income NetInvestmentIncome	643000000	USD
CY2012Q1	us-gaap	Net Investment Income NetInvestmentIncome	619500000	USD
CY2012Q3	us-gaap	Net Investment Income NetInvestmentIncome	619200000	USD
CY2011Q1	us-gaap	Net Investment Income NetInvestmentIncome	618700000	USD
CY2011Q3	us-gaap	Net Investment Income NetInvestmentIncome	629200000	USD
CY2011Q4	us-gaap	Net Investment Income NetInvestmentIncome	634600000	USD
CY2011Q2	us-gaap	Net Investment Income NetInvestmentIncome	637100000	USD
CY2011Q4	us-gaap	Notional Amount Of Foreign Currency Cash Flow Hedge Derivatives NotionalAmountOfForeignCurrencyCashFlowHedgeDerivatives	554000000	USD
CY2012Q4	us-gaap	Notional Amount Of Foreign Currency Cash Flow Hedge Derivatives NotionalAmountOfForeignCurrencyCashFlowHedgeDerivatives	508800000	USD
CY2012Q4	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	150000000	USD
CY2011Q4	us-gaap	Notional Amount Of Interest Rate Cash Flow Hedge Derivatives NotionalAmountOfInterestRateCashFlowHedgeDerivatives	335000000	USD
CY2012	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	3	Integer
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	1239700000	USD
CY2010	us-gaap	Operating Income Loss OperatingIncomeLoss	1327400000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	370100000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	216800000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	33700000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	14000000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	17100000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	23400000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	30600000	USD
CY2012Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	98000000	USD
CY2010	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	29300000	USD
CY2012	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	41600000	USD
CY2012Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	0	USD
CY2011	us-gaap	Operating Leases Rent Expense Minimum Rentals OperatingLeasesRentExpenseMinimumRentals	36100000	USD
CY2011Q4	us-gaap	Other Assets OtherAssets	645300000	USD
CY2012Q4	us-gaap	Other Assets OtherAssets	625400000	USD
CY2011	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	811300000	USD
CY2010	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	522100000	USD
CY2012	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	470900000	USD
CY2010	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	12700000	USD
CY2011	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	67400000	USD
CY2012	us-gaap	Other Comprehensive Income Defined Benefit Plans Tax Portion Attributable To Parent OtherComprehensiveIncomeDefinedBenefitPlansTaxPortionAttributableToParent	68000000	USD
CY2011	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	25200000	USD
CY2012	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-4300000	USD
CY2010	us-gaap	Other Comprehensive Income Derivatives Qualifying As Hedges Tax Portion Attributable To Parent OtherComprehensiveIncomeDerivativesQualifyingAsHedgesTaxPortionAttributableToParent	-5000000	USD
CY2010	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	600000	USD
CY2011	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Foreign Currency Translation Gain Loss Arising During Period Tax OtherComprehensiveIncomeForeignCurrencyTranslationGainLossArisingDuringPeriodTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	926400000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	988100000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	1542300000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-9800000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	47700000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	-7100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	45000000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-10500000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-31800000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2012	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	0	USD
CY2010	us-gaap	Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax OtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentTax	600000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3900000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	166200000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	110400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	125500000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	130400000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-12100000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-68000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-12700000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-67400000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-7600000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-6400000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeNetOfTax	-22500000	USD
CY2011	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	13000000	USD
CY2010	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	3500000	USD
CY2012	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment For Sale Of Securities Included In Net Income Tax OtherComprehensiveIncomeLossReclassificationAdjustmentForSaleOfSecuritiesIncludedInNetIncomeTax	3200000	USD

CY2011Q4

us-gaap

Accrued Investment Income Receivable

AccruedInvestmentIncomeReceivable

681800000

USD

CY2012Q4

us-gaap

Accrued Investment Income Receivable

AccruedInvestmentIncomeReceivable

694600000

USD

CY2011Q4

us-gaap

Accumulated Amortization Of Other Deferred Costs

AccumulatedAmortizationOfOtherDeferredCosts

119300000

USD

CY2012Q4

us-gaap

Accumulated Amortization Of Other Deferred Costs

AccumulatedAmortizationOfOtherDeferredCosts

131500000

USD

CY2012Q4

us-gaap

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

705000000

USD

CY2011Q4

us-gaap

Accumulated Depreciation Depletion And Amortization Property Plant And Equipment

AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment

670900000

USD

CY2011Q4

us-gaap

Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

614800000

USD

CY2012Q4

us-gaap

Accumulated Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax

873500000

USD

CY2011Q4

us-gaap

Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax

AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

408700000

USD

CY2012Q4

us-gaap

Accumulated Other Comprehensive Income Loss Cumulative Changes In Net Gain Loss From Cash Flow Hedges Effect Net Of Tax

AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax

401600000

USD

CY2011Q4

us-gaap

Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax

AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

444100000

USD

CY2012Q4

us-gaap

Accumulated Other Comprehensive Income Loss Defined Benefit Pension And Other Postretirement Plans Net Of Tax

AccumulatedOtherComprehensiveIncomeLossDefinedBenefitPensionAndOtherPostretirementPlansNetOfTax

574500000

USD

CY2011Q4

us-gaap

Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

-117600000

USD

CY2012Q4

us-gaap

Accumulated Other Comprehensive Income Loss Foreign Currency Translation Adjustment Net Of Tax

AccumulatedOtherComprehensiveIncomeLossForeignCurrencyTranslationAdjustmentNetOfTax

-72600000

USD

CY2012Q4

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

2607700000

USD

CY2011Q4

us-gaap

Additional Paid In Capital Common Stock

AdditionalPaidInCapitalCommonStock

2591100000

USD

CY2012

us-gaap

Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation

AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation

3500000

USD

CY2011

us-gaap

Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation

AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation

-3300000

USD

CY2010

us-gaap

Adjustments To Additional Paid In Capital Tax Effect From Share Based Compensation

AdjustmentsToAdditionalPaidInCapitalTaxEffectFromShareBasedCompensation

-2700000

USD

CY2012

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

24200000

USD

CY2010

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

25200000

USD

CY2011

us-gaap

Allocated Share Based Compensation Expense

AllocatedShareBasedCompensationExpense

23500000

USD

CY2011

us-gaap

Allocated Share Based Compensation Expense Net Of Tax

AllocatedShareBasedCompensationExpenseNetOfTax

15300000

USD

CY2010

us-gaap

Allocated Share Based Compensation Expense Net Of Tax

AllocatedShareBasedCompensationExpenseNetOfTax

17200000

USD

CY2012

us-gaap

Allocated Share Based Compensation Expense Net Of Tax

AllocatedShareBasedCompensationExpenseNetOfTax

15600000

USD

CY2012

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

2500000

shares

CY2011

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

2100000

shares

CY2010

us-gaap

Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount

AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

3500000

shares

CY2011Q4

us-gaap

Assets

59555200000

USD

CY2012Q4

us-gaap

Assets

62236100000

USD

CY2011

us-gaap

Assumed Premiums Earned Accident And Health

AssumedPremiumsEarnedAccidentAndHealth

216600000

USD

CY2012

us-gaap

Assumed Premiums Earned Accident And Health

AssumedPremiumsEarnedAccidentAndHealth

210900000

USD

CY2010

us-gaap

Assumed Premiums Earned Accident And Health

AssumedPremiumsEarnedAccidentAndHealth

241300000

USD

CY2012Q4

us-gaap

Available For Sale Equity Securities Amortized Cost Basis

AvailableForSaleEquitySecuritiesAmortizedCostBasis

11200000

USD

CY2012Q4

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

44973000000

USD

CY2011Q4

us-gaap

Available For Sale Securities

AvailableForSaleSecurities

42486700000

USD

CY2011Q4

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

36640700000

USD

CY2012Q4

us-gaap

Available For Sale Securities Amortized Cost

AvailableForSaleSecuritiesAmortizedCost

37751500000

USD

CY2011Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

2041700000

USD

CY2012Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue

586800000

USD

CY2011Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

949200000

USD

CY2012Q4

us-gaap

Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value

AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue

596800000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

9752300000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost

9630500000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

5922800000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost

5161500000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

19192100000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities After Ten Years Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost

18499000000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost

36640700000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesAmortizedCost

37751500000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities Within One Year Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

956400000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities Within One Year Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost

715100000

USD

CY2012Q4

us-gaap

Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

1927900000

USD

CY2011Q4

us-gaap

Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost

AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost

2634600000

USD

CY2011Q4

us-gaap

Available For Sale Securities Fair Value Disclosure

AvailableForSaleSecuritiesFairValueDisclosure

42486700000

USD

CY2012Q4

us-gaap

Available For Sale Securities Fair Value Disclosure

AvailableForSaleSecuritiesFairValueDisclosure

44973000000

USD

CY2012

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

29300000

USD

CY2010

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

61100000

USD

CY2011

us-gaap

Available For Sale Securities Gross Realized Gains

AvailableForSaleSecuritiesGrossRealizedGains

74000000

USD

CY2010

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

41300000

USD

CY2012

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

20400000

USD

CY2011

us-gaap

Available For Sale Securities Gross Realized Losses

AvailableForSaleSecuritiesGrossRealizedLosses

24000000

USD

CY2011Q4

us-gaap

Available For Sale Securities Gross Unrealized Losses1

AvailableForSaleSecuritiesGrossUnrealizedLosses1

222200000

USD

CY2012Q4

us-gaap

Available For Sale Securities Gross Unrealized Losses1

AvailableForSaleSecuritiesGrossUnrealizedLosses1

56000000

USD

CY2012Q4

us-gaap

Available For Sale Securities Pledged As Collateral

AvailableForSaleSecuritiesPledgedAsCollateral

108600000

USD

CY2011Q4

us-gaap

Available For Sale Securities Pledged As Collateral

AvailableForSaleSecuritiesPledgedAsCollateral

114900000

USD

CY2011Q4

us-gaap

Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2

AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2

142700000

USD

CY2012Q4

us-gaap

Availableforsale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses2

AvailableforsaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses2

44200000

USD

CY2011Q4

us-gaap

Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2

AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2

79500000

USD

CY2012Q4

us-gaap

Availableforsale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses2

AvailableforsaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses2

11800000

USD

CY2011Q4

us-gaap

Availableforsale Securities Gross Unrealized Gain

AvailableforsaleSecuritiesGrossUnrealizedGain

6068200000

USD

CY2012Q4

us-gaap

Availableforsale Securities Gross Unrealized Gain

AvailableforsaleSecuritiesGrossUnrealizedGain

7277500000

USD

CY2010

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

8873300000

USD

CY2011

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

9944700000

USD

CY2012

us-gaap

Benefits Losses And Expenses

BenefitsLossesAndExpenses

9265900000

USD

CY2012Q4

us-gaap

Cash

77300000

USD

CY2011Q4

us-gaap

Cash

116600000

USD

CY2009Q4

us-gaap

Cash

71600000

USD

CY2010Q4

us-gaap

Cash

53600000

USD

CY2012

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

-39300000

USD

CY2010

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

-18000000

USD

CY2011

us-gaap

Cash And Cash Equivalents Period Increase Decrease

CashAndCashEquivalentsPeriodIncreaseDecrease

63000000

USD

CY2012Q4

us-gaap

Cash And Securities Segregated Under Federal And Other Regulations

CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations

277500000

USD

CY2011Q4

us-gaap

Cash And Securities Segregated Under Federal And Other Regulations

CashAndSecuritiesSegregatedUnderFederalAndOtherRegulations

294300000

USD

CY2012Q4

us-gaap

Cash Collateral For Borrowed Securities

CashCollateralForBorrowedSecurities

455800000

USD

CY2011Q4

us-gaap

Cash Collateral For Borrowed Securities

CashCollateralForBorrowedSecurities

312300000

USD

CY2011Q4

us-gaap

Cash Dividends Paid To Parent Company

CashDividendsPaidToParentCompany

150000000

GBP

CY2012

us-gaap

Cash Flow Hedge Gain Loss To Be Reclassified Within Twelve Months

CashFlowHedgeGainLossToBeReclassifiedWithinTwelveMonths

41400000

USD

CY2011

us-gaap

Ceded Premiums Earned Accident And Health

CededPremiumsEarnedAccidentAndHealth

-223900000

USD

CY2012

us-gaap

Ceded Premiums Earned Accident And Health

CededPremiumsEarnedAccidentAndHealth

-230800000

USD

CY2010

us-gaap

Ceded Premiums Earned Accident And Health

CededPremiumsEarnedAccidentAndHealth

-244200000

USD

CY2012Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2011Q4

us-gaap

Commitments And Contingencies

CommitmentsAndContingencies

USD

CY2011Q4

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.10

CY2012Q4

us-gaap

Common Stock Par Or Stated Value Per Share

CommonStockParOrStatedValuePerShare

0.10

CY2012Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

725000000

shares

CY2011Q4

us-gaap

Common Stock Shares Authorized

CommonStockSharesAuthorized

725000000

shares

CY2011Q4

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

358691567

shares

CY2012Q4

us-gaap

Common Stock Shares Issued

CommonStockSharesIssued

359751943

shares

CY2012Q4

us-gaap

Common Stock Value

CommonStockValue

36000000

USD

CY2011Q4

us-gaap

Common Stock Value

CommonStockValue

35900000

USD

CY2011

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

394600000

USD

CY2012

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

1060600000

USD

CY2010

us-gaap

Comprehensive Income Net Of Tax

ComprehensiveIncomeNetOfTax

882600000

USD

CY2012

us-gaap

Current Federal Tax Expense Benefit

CurrentFederalTaxExpenseBenefit

164400000

USD

CY2010

us-gaap

Current Federal Tax Expense Benefit

CurrentFederalTaxExpenseBenefit

246900000

USD

CY2011

us-gaap

Current Federal Tax Expense Benefit

CurrentFederalTaxExpenseBenefit

218400000

USD

CY2010

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

54100000

USD

CY2012

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

42200000

USD

CY2011

us-gaap

Current Foreign Tax Expense Benefit

CurrentForeignTaxExpenseBenefit

12100000

USD

CY2011

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

230500000

USD

CY2012

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

206600000

USD

CY2010

us-gaap

Current Income Tax Expense Benefit

CurrentIncomeTaxExpenseBenefit

301000000

USD

CY2011Q4

us-gaap

Debt Current

DebtCurrent

312300000

USD

CY2012Q4

us-gaap

Debt Current

DebtCurrent

455800000

USD

CY2012Q4

us-gaap

Debt Longterm And Shortterm Combined Amount

DebtLongtermAndShorttermCombinedAmount

3211200000

USD

CY2011Q4

us-gaap

Debt Longterm And Shortterm Combined Amount

DebtLongtermAndShorttermCombinedAmount

2882500000

USD

CY2010

us-gaap

Deferred Federal Income Tax Expense Benefit

DeferredFederalIncomeTaxExpenseBenefit

144500000

USD

CY2011

us-gaap

Deferred Federal Income Tax Expense Benefit

DeferredFederalIncomeTaxExpenseBenefit

-203400000

USD

CY2012

us-gaap

Deferred Federal Income Tax Expense Benefit

DeferredFederalIncomeTaxExpenseBenefit

173500000

USD

CY2011

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

22000000

USD

CY2012

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

-25000000

USD

CY2010

us-gaap

Deferred Foreign Income Tax Expense Benefit

DeferredForeignIncomeTaxExpenseBenefit

-4300000

USD

CY2010

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

140200000

USD

CY2011

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

-181400000

USD

CY2012

us-gaap

Deferred Income Tax Expense Benefit

DeferredIncomeTaxExpenseBenefit

148500000

USD

CY2012Q4

us-gaap

Deferred Income Tax Liabilities

DeferredIncomeTaxLiabilities

269400000

USD

CY2011Q4

us-gaap

Deferred Income Tax Liabilities

DeferredIncomeTaxLiabilities

44700000

USD

CY2011

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

365700000

USD

CY2012

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

378700000

USD

CY2010

us-gaap

Deferred Policy Acquisition Cost Amortization Expense

DeferredPolicyAcquisitionCostAmortizationExpense

373300000

USD

CY2011Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

1677100000

USD

CY2012Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

1755500000

USD

CY2010Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

1816100000

USD

CY2009Q4

us-gaap

Deferred Policy Acquisition Costs

DeferredPolicyAcquisitionCosts

1784300000

USD

CY2010

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

-422500000

USD

CY2012

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

-467300000

USD

CY2011

us-gaap

Deferred Policy Acquisition Costs Additions

DeferredPolicyAcquisitionCostsAdditions

-442500000

USD

CY2012Q4

us-gaap

Deferred Revenue And Credits

DeferredRevenueAndCredits

67400000

USD

CY2011Q4

us-gaap

Deferred Revenue And Credits

DeferredRevenueAndCredits

81000000

USD

CY2012Q4

us-gaap

Deferred Tax Assets Gross

DeferredTaxAssetsGross

689300000

USD

CY2011Q4

us-gaap

Deferred Tax Assets Gross

DeferredTaxAssetsGross

641800000

USD

CY2012Q4

us-gaap

Deferred Tax Assets Other

DeferredTaxAssetsOther

600000

USD

CY2011Q4

us-gaap

Deferred Tax Assets Other

DeferredTaxAssetsOther

29700000

USD

CY2011Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

262300000

USD

CY2012Q4

us-gaap

Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Benefits

DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeBenefits

315200000

USD

CY2011Q4

us-gaap

Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross

DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross

349800000

USD

CY2012Q4

us-gaap

Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross

DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross

373500000

USD

CY2012Q4

us-gaap

Deferred Tax Liabilities

DeferredTaxLiabilities

958700000

USD

CY2011Q4

us-gaap

Deferred Tax Liabilities

DeferredTaxLiabilities

686500000

USD

CY2011Q4

us-gaap

Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost

DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

35600000

USD

CY2012Q4

us-gaap

Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost

DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost

62800000

USD

CY2011Q4

us-gaap

Deferred Tax Liabilities Other

DeferredTaxLiabilitiesOther

138200000

USD

CY2012Q4

us-gaap

Deferred Tax Liabilities Other

DeferredTaxLiabilitiesOther

252000000

USD

CY2012Q4

us-gaap

Deferred Tax Liabilities Other Comprehensive Income

DeferredTaxLiabilitiesOtherComprehensiveIncome

643900000

USD

CY2011Q4

us-gaap

Deferred Tax Liabilities Other Comprehensive Income

DeferredTaxLiabilitiesOtherComprehensiveIncome

512700000

USD

CY2012Q4

us-gaap

Deferred Tax Liability Not Recognized Amount Of Unrecognized Deferred Tax Liability

DeferredTaxLiabilityNotRecognizedAmountOfUnrecognizedDeferredTaxLiability

992200000

USD

CY2012

us-gaap

Defined Benefit Plan Amounts That Will Be Amortized From Accumulated Other Comprehensive Income Loss In Next Fiscal Year

DefinedBenefitPlanAmountsThatWillBeAmortizedFromAccumulatedOtherComprehensiveIncomeLossInNextFiscalYear

59800000

USD

CY2011

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

81100000

USD

CY2010

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

75400000

USD

CY2012

us-gaap

Depreciation Amortization And Accretion Net

DepreciationAmortizationAndAccretionNet

84300000

USD

CY2010

us-gaap

Depreciation Depletion And Amortization

DepreciationDepletionAndAmortization

458100000

USD

CY2011

us-gaap

Depreciation Depletion And Amortization

DepreciationDepletionAndAmortization

455000000

USD

CY2012

us-gaap

Depreciation Depletion And Amortization

DepreciationDepletionAndAmortization

468500000

USD

CY2011Q4

us-gaap

Derivative Assets

DerivativeAssets

137700000

USD

CY2012Q4

us-gaap

Derivative Assets

DerivativeAssets

81600000

USD

CY2012Q4

us-gaap

Derivative Collateral Obligation To Return Cash

DerivativeCollateralObligationToReturnCash

0

USD

CY2011Q4

us-gaap

Derivative Collateral Obligation To Return Cash

DerivativeCollateralObligationToReturnCash

45600000

USD

CY2011Q4

us-gaap

Derivative Collateral Right To Reclaim Cash

DerivativeCollateralRightToReclaimCash

0

USD

CY2012Q4

us-gaap

Derivative Collateral Right To Reclaim Cash

DerivativeCollateralRightToReclaimCash

1800000

USD

CY2012

us-gaap

Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net

DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

20100000

USD

CY2011

us-gaap

Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net

DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

45700000

USD

CY2010

us-gaap

Derivative Instruments Gain Loss Reclassified From Accumulated Oci Into Income Effective Portion Net

DerivativeInstrumentsGainLossReclassifiedFromAccumulatedOCIIntoIncomeEffectivePortionNet

10700000

USD

CY2012

us-gaap

Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net

DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet

81400000

USD

CY2011

us-gaap

Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net

DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet

72700000

USD

CY2010

us-gaap

Derivative Instruments Gain Loss Recognized In Other Comprehensive Income Effective Portion Net

DerivativeInstrumentsGainLossRecognizedInOtherComprehensiveIncomeEffectivePortionNet

-4100000

USD

CY2011Q4

us-gaap

Derivative Liabilities

DerivativeLiabilities

309400000

USD

CY2012Q4

us-gaap

Derivative Liabilities

DerivativeLiabilities

254400000

USD

CY2011Q4

us-gaap

Derivative Net Liability Position Aggregate Fair Value

DerivativeNetLiabilityPositionAggregateFairValue

173700000

USD

CY2012Q4

us-gaap

Derivative Net Liability Position Aggregate Fair Value

DerivativeNetLiabilityPositionAggregateFairValue

170500000

USD

CY2011

us-gaap

Direct Premiums Earned Accident And Health

DirectPremiumsEarnedAccidentAndHealth

7521500000

USD

CY2010

us-gaap

Direct Premiums Earned Accident And Health

DirectPremiumsEarnedAccidentAndHealth

7434300000

USD

CY2012

us-gaap

Direct Premiums Earned Accident And Health

DirectPremiumsEarnedAccidentAndHealth

7736000000

USD

CY2012

us-gaap

Dividend Payment Restrictions Schedule Description

DividendPaymentRestrictionsScheduleDescription

.1

CY2012

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

3.18

CY2011

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.94

CY2010

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

2.70

CY2012Q4

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.86

CY2012Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.83

CY2012Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.74

CY2012Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.76

CY2011Q2

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.74

CY2011Q3

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.68

CY2011Q4

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

-1.26

CY2011Q1

us-gaap

Earnings Per Share Basic

EarningsPerShareBasic

0.72

CY2011

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.94

CY2012

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

3.17

CY2010

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

2.69

CY2012Q4

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.85

CY2012Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.73

CY2012Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.76

CY2012Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.83

CY2011Q1

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.71

CY2011Q2

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.74

CY2011Q4

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

-1.26

CY2011Q3

us-gaap

Earnings Per Share Diluted

EarningsPerShareDiluted

0.68

CY2010

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.334

CY2012

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.284

CY2011

us-gaap

Effective Income Tax Rate Continuing Operations

EffectiveIncomeTaxRateContinuingOperations

0.147

CY2011

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2012

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2010

us-gaap

Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate

EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate

0.350

CY2011

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

-0.003

CY2012

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

-0.020

CY2010

us-gaap

Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential

EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential

-0.013

CY2012

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.010

CY2010

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.001

CY2011

us-gaap

Effective Income Tax Rate Reconciliation Other Adjustments

EffectiveIncomeTaxRateReconciliationOtherAdjustments

-0.031

CY2012

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

-0.009

CY2011

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

-0.110

CY2010

us-gaap

Effective Income Tax Rate Reconciliation Prior Year Income Taxes

EffectiveIncomeTaxRateReconciliationPriorYearIncomeTaxes

0.004

CY2012

us-gaap

Effective Income Tax Rate Reconciliation Tax Credits Investment

EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment

-0.027

CY2010

us-gaap

Effective Income Tax Rate Reconciliation Tax Credits Investment

EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment

-0.006

CY2011

us-gaap

Effective Income Tax Rate Reconciliation Tax Credits Investment

EffectiveIncomeTaxRateReconciliationTaxCreditsInvestment

-0.059

CY2011

us-gaap

Embedded Derivative Gain Loss On Embedded Derivative Net

EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet

-39400000

USD

CY2012

us-gaap

Embedded Derivative Gain Loss On Embedded Derivative Net

EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet

51800000

USD

CY2010

us-gaap

Embedded Derivative Gain Loss On Embedded Derivative Net

EmbeddedDerivativeGainLossOnEmbeddedDerivativeNet

21100000

USD

CY2011Q4

us-gaap

Fair Value Assets Level1 To Level2 Transfers Amount

FairValueAssetsLevel1ToLevel2TransfersAmount

3262500000

USD

CY2012Q4

us-gaap

Fair Value Assets Level1 To Level2 Transfers Amount

FairValueAssetsLevel1ToLevel2TransfersAmount

3730500000

USD

CY2011Q4

us-gaap

Fair Value Assets Level2 To Level1 Transfers Amount

FairValueAssetsLevel2ToLevel1TransfersAmount

2006100000

USD

CY2012Q4

us-gaap

Fair Value Assets Level2 To Level1 Transfers Amount

FairValueAssetsLevel2ToLevel1TransfersAmount

1115700000

USD

CY2009Q4

us-gaap

Financing Receivable Allowance For Credit Losses

FinancingReceivableAllowanceForCreditLosses

3200000

USD

CY2010Q4

us-gaap

Financing Receivable Allowance For Credit Losses

FinancingReceivableAllowanceForCreditLosses

1500000

USD

CY2012Q4

us-gaap

Financing Receivable Allowance For Credit Losses

FinancingReceivableAllowanceForCreditLosses

1500000

USD

CY2011Q4

us-gaap

Financing Receivable Allowance For Credit Losses

FinancingReceivableAllowanceForCreditLosses

1500000

USD

CY2010

us-gaap

Financing Receivable Allowance For Credit Losses Write Offs

FinancingReceivableAllowanceForCreditLossesWriteOffs

4100000

USD

CY2012

us-gaap

Financing Receivable Allowance For Credit Losses Write Offs

FinancingReceivableAllowanceForCreditLossesWriteOffs

1800000

USD

CY2011

us-gaap

Financing Receivable Allowance For Credit Losses Write Offs

FinancingReceivableAllowanceForCreditLossesWriteOffs

0

USD

CY2012Q4

us-gaap

Financing Receivable Recorded Investment90 Days Past Due And Still Accruing

FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing

0

USD

CY2012Q4

us-gaap

Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due

FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue

4300000

USD

CY2011Q4

us-gaap

Financing Receivable Recorded Investment Equal To Greater Than90 Days Past Due

FinancingReceivableRecordedInvestmentEqualToGreaterThan90DaysPastDue

9400000

USD

CY2012

us-gaap

Foreign Currency Transaction Gain Loss Before Tax

ForeignCurrencyTransactionGainLossBeforeTax

-3300000

USD

CY2011

us-gaap

Foreign Currency Transaction Gain Loss Before Tax

ForeignCurrencyTransactionGainLossBeforeTax

-1600000

USD

CY2010

us-gaap

Foreign Currency Transaction Gain Loss Before Tax

ForeignCurrencyTransactionGainLossBeforeTax

-3900000

USD

CY2011

us-gaap

Gain Loss On Investments

GainLossOnInvestments

-4900000

USD

CY2012

us-gaap

Gain Loss On Investments

GainLossOnInvestments

56200000

USD

CY2010

us-gaap

Gain Loss On Investments

GainLossOnInvestments

24700000

USD

CY2012Q3

us-gaap

Gain Loss On Investments

GainLossOnInvestments

21300000

USD

CY2012Q1

us-gaap

Gain Loss On Investments

GainLossOnInvestments

12400000

USD

CY2012Q4

us-gaap

Gain Loss On Investments

GainLossOnInvestments

24600000

USD

CY2012Q2

us-gaap

Gain Loss On Investments

GainLossOnInvestments

-2100000

USD

CY2011Q2

us-gaap

Gain Loss On Investments

GainLossOnInvestments

-3600000

USD

CY2011Q1

us-gaap

Gain Loss On Investments

GainLossOnInvestments

15200000

USD

CY2011Q4

us-gaap

Gain Loss On Investments

GainLossOnInvestments

7400000

USD

CY2011Q3

us-gaap

Gain Loss On Investments

GainLossOnInvestments

-23900000

USD

CY2010

us-gaap

Gain Loss On Investments Excluding Other Than Temporary Impairments

GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments

40600000

USD

CY2011

us-gaap

Gain Loss On Investments Excluding Other Than Temporary Impairments

GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments

15000000

USD

CY2012

us-gaap

Gain Loss On Investments Excluding Other Than Temporary Impairments

GainLossOnInvestmentsExcludingOtherThanTemporaryImpairments

56200000

USD

CY2012

us-gaap

Gain On Cash Flow Hedge Ineffectiveness

GainOnCashFlowHedgeIneffectiveness

0

USD

CY2011

us-gaap

Gain On Cash Flow Hedge Ineffectiveness

GainOnCashFlowHedgeIneffectiveness

0

USD

CY2010

us-gaap

Gain On Cash Flow Hedge Ineffectiveness

GainOnCashFlowHedgeIneffectiveness

0

USD

CY2011Q4

us-gaap

Goodwill

201200000

USD

CY2012Q4

us-gaap

Goodwill

201700000

USD

CY2010

us-gaap

Impaired Financing Receivable Average Recorded Investment

ImpairedFinancingReceivableAverageRecordedInvestment

22900000

USD

CY2011

us-gaap

Impaired Financing Receivable Average Recorded Investment

ImpairedFinancingReceivableAverageRecordedInvestment

21300000

USD

CY2012

us-gaap

Impaired Financing Receivable Average Recorded Investment

ImpairedFinancingReceivableAverageRecordedInvestment

19100000

USD

CY2010

us-gaap

Impaired Financing Receivable Interest Income Accrual Method

ImpairedFinancingReceivableInterestIncomeAccrualMethod

0

USD

CY2012

us-gaap

Impaired Financing Receivable Interest Income Accrual Method

ImpairedFinancingReceivableInterestIncomeAccrualMethod

800000

USD

CY2011

us-gaap

Impaired Financing Receivable Interest Income Accrual Method

ImpairedFinancingReceivableInterestIncomeAccrualMethod

800000

USD

CY2011Q4

us-gaap

Impaired Financing Receivable Recorded Investment

ImpairedFinancingReceivableRecordedInvestment

22500000

USD

CY2012Q4

us-gaap

Impaired Financing Receivable Recorded Investment

ImpairedFinancingReceivableRecordedInvestment

17400000

USD

CY2012Q4

us-gaap

Impaired Financing Receivable Related Allowance

ImpairedFinancingReceivableRelatedAllowance

1500000

USD

CY2011Q4

us-gaap

Impaired Financing Receivable Related Allowance

ImpairedFinancingReceivableRelatedAllowance

1500000

USD

CY2011Q4

us-gaap

Impaired Financing Receivable Unpaid Principal Balance

ImpairedFinancingReceivableUnpaidPrincipalBalance

24000000

USD

CY2012Q4

us-gaap

Impaired Financing Receivable Unpaid Principal Balance

ImpairedFinancingReceivableUnpaidPrincipalBalance

18900000

USD

CY2010

us-gaap

Impairment Of Intangible Assets Finitelived

ImpairmentOfIntangibleAssetsFinitelived

0

USD

CY2012

us-gaap

Impairment Of Intangible Assets Finitelived

ImpairmentOfIntangibleAssetsFinitelived

0

USD

CY2011

us-gaap

Impairment Of Intangible Assets Finitelived

ImpairmentOfIntangibleAssetsFinitelived

196000000

USD

CY2010

us-gaap

Impairment Of Investments

ImpairmentOfInvestments

3800000

USD

CY2012

us-gaap

Impairment Of Investments

ImpairmentOfInvestments

1900000

USD

CY2011

us-gaap

Impairment Of Investments

ImpairmentOfInvestments

600000

USD

CY2012

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

1128400000

USD

CY2011

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

160500000

USD

CY2010

us-gaap

Income Loss From Continuing Operations Before Income Taxes Domestic

IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic

1113100000

USD

CY2011

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

172800000

USD

CY2010

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

206800000

USD

CY2012

us-gaap

Income Loss From Continuing Operations Before Income Taxes Foreign

IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign

121100000

USD

CY2010

us-gaap

Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments