2016 Q4 Form 10-K Financial Statement
#000007426018000012 Filed on February 28, 2018
Income Statement
| Concept | 2016 Q4 | 2016 Q3 | 2016 Q2 |
|---|---|---|---|
| Revenue | $1.549B | $1.496B | $1.442B |
| YoY Change | 4.63% | -3.22% | 2.28% |
| Cost Of Revenue | $590.7M | $587.2M | |
| YoY Change | -9.6% | -2.85% | |
| Gross Profit | $905.3M | $855.0M | |
| YoY Change | 1.46% | 6.13% | |
| Gross Profit Margin | 60.51% | 59.28% | |
| Selling, General & Admin | $3.800M | $4.400M | $5.500M |
| YoY Change | -32.14% | 33.33% | 52.78% |
| % of Gross Profit | 0.49% | 0.64% | |
| Research & Development | |||
| YoY Change | |||
| % of Gross Profit | |||
| Depreciation & Amortization | |||
| YoY Change | |||
| % of Gross Profit | |||
| Operating Expenses | $1.342B | $1.319B | $1.283B |
| YoY Change | 1.06% | -2.33% | 2.8% |
| Operating Profit | -$413.8M | -$427.6M | |
| YoY Change | -9.71% | -3.28% | |
| Interest Expense | -$16.20M | -$12.60M | -$10.60M |
| YoY Change | 48.62% | 23.53% | 3.92% |
| % of Operating Profit | |||
| Other Income/Expense, Net | $0.00 | -$300.0K | -$200.0K |
| YoY Change | -100.0% | 50.0% | -33.33% |
| Pretax Income | $190.8M | $164.0M | $148.8M |
| YoY Change | 34.84% | -11.21% | -1.98% |
| Income Tax | $58.80M | $53.10M | $47.70M |
| % Of Pretax Income | 30.82% | 32.38% | 32.06% |
| Net Earnings | $131.9M | $110.9M | $101.0M |
| YoY Change | 45.58% | -11.91% | -0.98% |
| Net Earnings / Revenue | 8.52% | 7.41% | 7.0% |
| Basic Earnings Per Share | $0.51 | $0.43 | $0.39 |
| Diluted Earnings Per Share | $0.46 | $0.39 | $0.35 |
| COMMON SHARES | |||
| Basic Shares Outstanding | 259.7M shares | 259.4M shares | 259.1M shares |
| Diluted Shares Outstanding | 296.6M shares | 296.4M shares | 296.1M shares |
Balance Sheet
| Concept | 2016 Q4 | 2016 Q3 | 2016 Q2 |
|---|---|---|---|
| SHORT-TERM ASSETS | |||
| Cash & Short-Term Investments | |||
| YoY Change | |||
| Cash & Equivalents | |||
| 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 | |||
| YoY Change | |||
| Goodwill | $160.7M | ||
| YoY Change | 0.0% | ||
| Intangibles | |||
| YoY Change | |||
| Long-Term Investments | $17.60M | $20.60M | $25.40M |
| YoY Change | -36.46% | 5.64% | 4.53% |
| Other Assets | $0.00 | $0.00 | $0.00 |
| YoY Change | -100.0% | -100.0% | -100.0% |
| Total Long-Term Assets | |||
| YoY Change | |||
| TOTAL ASSETS | |||
| Total Short-Term Assets | |||
| Total Long-Term Assets | |||
| Total Assets | $18.59B | $18.81B | $17.99B |
| YoY Change | 8.71% | 8.56% | 4.13% |
| 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 | |||
| YoY Change | |||
| Total Short-Term Liabilities | $517.0M | $455.0M | $484.0M |
| YoY Change | 14.38% | 0.0% | 13.62% |
| LONG-TERM LIABILITIES | |||
| Long-Term Debt | $1.529B | $1.528B | $983.0M |
| YoY Change | 60.44% | 58.84% | 2.18% |
| Other Long-Term Liabilities | $303.0M | $331.0M | $265.0M |
| YoY Change | 19.29% | 36.21% | 9.96% |
| Total Long-Term Liabilities | $1.832B | $1.859B | $1.248B |
| YoY Change | 51.78% | 54.27% | 3.74% |
| TOTAL LIABILITIES | |||
| Total Short-Term Liabilities | $517.0M | $455.0M | $484.0M |
| Total Long-Term Liabilities | $1.832B | $1.859B | $1.248B |
| Total Liabilities | $14.13B | $14.36B | $13.61B |
| YoY Change | 6.88% | 6.61% | 2.05% |
| SHAREHOLDERS EQUITY | |||
| Retained Earnings | $3.200B | $3.127B | $3.065B |
| YoY Change | 8.92% | 8.04% | 8.82% |
| Common Stock | $976.5M | $973.0M | $968.6M |
| YoY Change | 1.73% | 2.32% | 2.18% |
| Preferred Stock | |||
| YoY Change | |||
| Treasury Stock (at cost) | |||
| YoY Change | |||
| Treasury Stock Shares | |||
| Shareholders Equity | $4.461B | $4.446B | $4.378B |
| YoY Change | |||
| Total Liabilities & Shareholders Equity | $18.59B | $18.81B | $17.99B |
| YoY Change | 8.71% | 8.56% | 4.13% |
Cashflow Statement
| Concept | 2016 Q4 | 2016 Q3 | 2016 Q2 |
|---|---|---|---|
| OPERATING ACTIVITIES | |||
| Net Income | $131.9M | $110.9M | $101.0M |
| YoY Change | 45.58% | -11.91% | -0.98% |
| Depreciation, Depletion And Amortization | |||
| YoY Change | |||
| Cash From Operating Activities | $235.4M | $238.3M | $37.70M |
| YoY Change | 93.59% | -9.32% | -66.61% |
| INVESTING ACTIVITIES | |||
| Capital Expenditures | |||
| YoY Change | |||
| Acquisitions | |||
| YoY Change | |||
| Other Investing Activities | -$186.9M | -$760.3M | $39.60M |
| YoY Change | 121.18% | 408.22% | -144.49% |
| Cash From Investing Activities | -$186.9M | -$760.3M | $39.60M |
| YoY Change | 121.18% | 408.22% | -144.49% |
| FINANCING ACTIVITIES | |||
| Cash Dividend Paid | |||
| YoY Change | |||
| Common Stock Issuance & Retirement, Net | |||
| YoY Change | |||
| Debt Paid & Issued, Net | |||
| YoY Change | |||
| Cash From Financing Activities | -47.30M | 497.9M | -45.80M |
| YoY Change | 26.47% | -712.42% | -0.65% |
| NET CHANGE | |||
| Cash From Operating Activities | 235.4M | 238.3M | 37.70M |
| Cash From Investing Activities | -186.9M | -760.3M | 39.60M |
| Cash From Financing Activities | -47.30M | 497.9M | -45.80M |
| Net Change In Cash | 1.200M | -24.10M | 31.50M |
| YoY Change | -500.0% | -175.55% | -241.89% |
| FREE CASH FLOW | |||
| Cash From Operating Activities | $235.4M | $238.3M | $37.70M |
| Capital Expenditures | |||
| Free Cash Flow | |||
| YoY Change |
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TitlePremiumAndFeeRevenuesStemmingFromDirectOperations
|
0.28 | |
| CY2017Q4 | ori |
Title Premium And Fee Revenues Stemming From Direct Operations
TitlePremiumAndFeeRevenuesStemmingFromDirectOperations
|
0.27 | |
| CY2015 | ori |
Total Operating Revenues
TotalOperatingRevenues
|
5674800000 | USD |
| CY2016 | ori |
Total Operating Revenues
TotalOperatingRevenues
|
5827600000 | USD |
| CY2017 | ori |
Total Operating Revenues
TotalOperatingRevenues
|
6051500000 | USD |
| CY2016Q4 | ori |
Total Other Assets
TotalOtherAssets
|
5833800000 | USD |
| CY2017Q4 | ori |
Total Other Assets
TotalOtherAssets
|
6085500000 | USD |
| CY2016Q4 | ori |
Total Policy Liabilities And Accruals
TotalPolicyLiabilitiesAndAccruals
|
11241000000 | USD |
| CY2017Q4 | ori |
Total Policy Liabilities And Accruals
TotalPolicyLiabilitiesAndAccruals
|
11413900000 | USD |
| CY2015 | ori |
Total Premiums And Fees
TotalPremiumsAndFees
|
5179400000 | USD |
| CY2016 | ori |
Total Premiums And Fees
TotalPremiumsAndFees
|
5333200000 | USD |
| CY2017 | ori |
Total Premiums And Fees
TotalPremiumsAndFees
|
5539700000 | USD |
| CY2016Q4 | ori |
Unallocated Essop Shares
UnallocatedEssopShares
|
39200000 | USD |
| CY2017Q4 | ori |
Unallocated Essop Shares
UnallocatedEssopShares
|
32400000 | USD |
| CY2015 | ori |
Underwriting Acquisition And Other Expenses
UnderwritingAcquisitionAndOtherExpenses
|
2633000000 | USD |
| CY2016 | ori |
Underwriting Acquisition And Other Expenses
UnderwritingAcquisitionAndOtherExpenses
|
2816300000 | USD |
| CY2017 | ori |
Underwriting Acquisition And Other Expenses
UnderwritingAcquisitionAndOtherExpenses
|
2995700000 | USD |
| CY2016Q4 | us-gaap |
Accounts Payable And Accrued Liabilities Current And Noncurrent
AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
|
485400000 | USD |
| CY2017Q4 | us-gaap |
Accounts Payable And Accrued Liabilities Current And Noncurrent
AccountsPayableAndAccruedLiabilitiesCurrentAndNoncurrent
|
547700000 | USD |
| CY2016Q4 | us-gaap |
Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
|
92300000 | USD |
| CY2017Q4 | us-gaap |
Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
|
92400000 | USD |
| CY2016Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
323600000 | USD |
| CY2017Q4 | us-gaap |
Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
|
474200000 | USD |
| CY2016Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
713800000 | USD |
| CY2017Q4 | us-gaap |
Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
|
815200000 | USD |
| CY2015 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
2300000 | USD |
| CY2016 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
3100000 | USD |
| CY2017 | us-gaap |
Allocated Share Based Compensation Expense
AllocatedShareBasedCompensationExpense
|
3500000 | USD |
| CY2015 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
4933490 | shares |
| CY2016 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1676175 | shares |
| CY2017 | us-gaap |
Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
|
1380000 | shares |
| CY2016Q4 | us-gaap |
Assets
Assets
|
18591600000 | USD |
| CY2017Q4 | us-gaap |
Assets
Assets
|
19403500000 | USD |
| CY2015 | us-gaap |
Assumed Premiums Earned
AssumedPremiumsEarned
|
39300000 | USD |
| CY2016 | us-gaap |
Assumed Premiums Earned
AssumedPremiumsEarned
|
45700000 | USD |
| CY2017 | us-gaap |
Assumed Premiums Earned
AssumedPremiumsEarned
|
48100000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
8019600000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
|
8162200000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Equity Securities Amortized Cost Basis
AvailableForSaleEquitySecuritiesAmortizedCostBasis
|
2404900000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Equity Securities Amortized Cost Basis
AvailableForSaleEquitySecuritiesAmortizedCostBasis
|
2629900000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities
AvailableForSaleSecurities
|
11780000000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities
AvailableForSaleSecurities
|
12247200000 | USD |
| CY2015 | us-gaap |
Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax
AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax
|
-248900000 | USD |
| CY2016 | us-gaap |
Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax
AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax
|
292100000 | USD |
| CY2017 | us-gaap |
Available For Sale Securities Change In Net Unrealized Holding Gain Loss Net Of Tax
AvailableForSaleSecuritiesChangeInNetUnrealizedHoldingGainLossNetOfTax
|
73900000 | USD |
| CY2016 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
|
22800000 | USD |
| CY2017 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
|
7200000 | USD |
| CY2016 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
|
89400000 | USD |
| CY2017 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
|
58900000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
|
3216500000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
|
3728200000 | USD |
| CY2016 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
|
66500000 | USD |
| CY2017 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Aggregate Losses
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
|
51700000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
|
2846700000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
|
3417900000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
|
369700000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value
AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
|
310200000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
|
3093000000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
|
3129500000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
|
4120600000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
4189900000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
|
99600000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
|
108200000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
|
848800000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
|
854500000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
8170900000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
|
8282300000 | USD |
| CY2016Q4 | us-gaap |
Available For Sale Securities Equity Securities
AvailableForSaleSecuritiesEquitySecurities
|
2896100000 | USD |
| CY2017Q4 | us-gaap |
Available For Sale Securities Equity Securities
AvailableForSaleSecuritiesEquitySecurities
|
3265500000 | USD |
| CY2015 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
5134300000 | USD |
| CY2016Q1 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1231100000 | USD |
| CY2016Q2 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1293400000 | USD |
| CY2016Q3 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1331900000 | USD |
| CY2016Q4 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1357900000 | USD |
| CY2016 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
5214500000 | USD |
| CY2017Q1 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1280100000 | USD |
| CY2017Q2 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1352700000 | USD |
| CY2017Q3 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1533300000 | USD |
| CY2017Q4 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
1371500000 | USD |
| CY2017 | us-gaap |
Benefits Losses And Expenses
BenefitsLossesAndExpenses
|
5537700000 | USD |
| CY2014Q4 | us-gaap |
Cash
Cash
|
136700000 | USD |
| CY2015Q4 | us-gaap |
Cash
Cash
|
159800000 | USD |
| CY2017Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
500000000 | shares |
| CY2016Q4 | us-gaap |
Cash
Cash
|
145700000 | USD |
| CY2017Q4 | us-gaap |
Cash
Cash
|
125900000 | USD |
| CY2015 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
23000000 | USD |
| CY2016 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-14100000 | USD |
| CY2017 | us-gaap |
Cash And Cash Equivalents Period Increase Decrease
CashAndCashEquivalentsPeriodIncreaseDecrease
|
-19700000 | USD |
| CY2015 | us-gaap |
Ceded Premiums Earned
CededPremiumsEarned
|
1036900000 | USD |
| CY2016 | us-gaap |
Ceded Premiums Earned
CededPremiumsEarned
|
1143400000 | USD |
| CY2017 | us-gaap |
Ceded Premiums Earned
CededPremiumsEarned
|
1264500000 | USD |
| CY2016Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2017Q4 | us-gaap |
Commitments And Contingencies
CommitmentsAndContingencies
|
USD | |
| CY2015 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.74 | |
| CY2016 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
0.75 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Cash Paid
CommonStockDividendsPerShareCashPaid
|
1.76 | |
| CY2017 | us-gaap |
Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
|
1.00 | |
| CY2016Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
1.00 | |
| CY2017Q4 | us-gaap |
Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
|
1.00 | |
| CY2016Q4 | us-gaap |
Common Stock Shares Authorized
CommonStockSharesAuthorized
|
500000000 | shares |
| CY2016Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
262719660 | shares |
| CY2017Q4 | us-gaap |
Common Stock Shares Issued
CommonStockSharesIssued
|
269238727 | shares |
| CY2016Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
262700000 | USD |
| CY2017Q4 | us-gaap |
Common Stock Value
CommonStockValue
|
269200000 | USD |
| CY2017 | us-gaap |
Common Stock Voting Rights
CommonStockVotingRights
|
1 | |
| CY2015 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
159000000 | USD |
| CY2016 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
761400000 | USD |
| CY2017 | us-gaap |
Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
|
626000000 | USD |
| CY2017 | us-gaap |
Concentration Risk Percentage1
ConcentrationRiskPercentage1
|
0.1 | |
| CY2015 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
201000000 | USD |
| CY2016 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
190100000 | USD |
| CY2017 | us-gaap |
Current Income Tax Expense Benefit
CurrentIncomeTaxExpenseBenefit
|
132600000 | USD |
| CY2016Q4 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
1528700000 | USD |
| CY2017Q4 | us-gaap |
Debt And Capital Lease Obligations
DebtAndCapitalLeaseObligations
|
1448700000 | USD |
| CY2016Q4 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
1679700000 | USD |
| CY2017Q4 | us-gaap |
Debt Instrument Fair Value
DebtInstrumentFairValue
|
1673200000 | USD |
| CY2015 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
8600000 | USD |
| CY2016 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
28800000 | USD |
| CY2017 | us-gaap |
Deferred Income Tax Expense Benefit
DeferredIncomeTaxExpenseBenefit
|
32200000 | USD |
| CY2015Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
328900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
529900000 | USD |
| CY2017Q4 | us-gaap |
Deferred Income Tax Liabilities
DeferredIncomeTaxLiabilities
|
355100000 | USD |
| CY2015 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
396100000 | USD |
| CY2016 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
393700000 | USD |
| CY2017 | us-gaap |
Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
|
454000000 | USD |
| CY2014Q4 | us-gaap |
Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
|
230800000 | USD |
| CY2015Q4 | us-gaap |
Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
|
255400000 | USD |
| CY2016Q4 | us-gaap |
Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
|
274000000 | USD |
| CY2017Q4 | us-gaap |
Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
|
297800000 | USD |
| CY2015 | us-gaap |
Deferred Policy Acquisition Costs Additions
DeferredPolicyAcquisitionCostsAdditions
|
420700000 | USD |
| CY2016 | us-gaap |
Deferred Policy Acquisition Costs Additions
DeferredPolicyAcquisitionCostsAdditions
|
412300000 | USD |
| CY2017 | us-gaap |
Deferred Policy Acquisition Costs Additions
DeferredPolicyAcquisitionCostsAdditions
|
477800000 | USD |
| CY2015 | us-gaap |
Deferred Policy Acquisition Costs Period Increase Decrease
DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease
|
24600000 | USD |
| CY2016 | us-gaap |
Deferred Policy Acquisition Costs Period Increase Decrease
DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease
|
18600000 | USD |
| CY2017 | us-gaap |
Deferred Policy Acquisition Costs Period Increase Decrease
DeferredPolicyAcquisitionCostsPeriodIncreaseDecrease
|
23700000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
483300000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
487500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Gross
DeferredTaxAssetsGross
|
254500000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Liabilities Net
DeferredTaxAssetsLiabilitiesNet
|
154500000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
483300000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
487500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Net
DeferredTaxAssetsNet
|
254500000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
36800000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
33300000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Operating Loss Carryforwards
DeferredTaxAssetsOperatingLossCarryforwards
|
17900000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
35500000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
33600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Other
DeferredTaxAssetsOther
|
18200000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
|
71100000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
|
71500000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions
DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions
|
49100000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses
|
0 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses
|
1700000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Impairment Losses
DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsImpairmentLosses
|
200000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
0 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
0 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Assets Valuation Allowance
DeferredTaxAssetsValuationAllowance
|
0 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
42600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities
DeferredTaxLiabilities
|
100500000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost
DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost
|
84800000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost
DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost
|
91700000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Deferred Expense Deferred Policy Acquisition Cost
DeferredTaxLiabilitiesDeferredExpenseDeferredPolicyAcquisitionCost
|
59500000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
31900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
31900000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Other
DeferredTaxLiabilitiesOther
|
16900000 | USD |
| CY2015Q4 | us-gaap |
Deferred Tax Liabilities Unrealized Gains On Trading Securities
DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
|
74900000 | USD |
| CY2016Q4 | us-gaap |
Deferred Tax Liabilities Unrealized Gains On Trading Securities
DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
|
232600000 | USD |
| CY2017Q4 | us-gaap |
Deferred Tax Liabilities Unrealized Gains On Trading Securities
DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities
|
164200000 | USD |
| CY2017Q4 | us-gaap |
Defined Benefit Plan Expected Future Employer Contributions Next Fiscal Year
DefinedBenefitPlanExpectedFutureEmployerContributionsNextFiscalYear
|
10300000 | USD |
| CY2015 | us-gaap |
Depreciation
Depreciation
|
26600000 | USD |
| CY2016 | us-gaap |
Depreciation
Depreciation
|
29600000 | USD |
| CY2017 | us-gaap |
Depreciation
Depreciation
|
27200000 | USD |
| CY2015 | us-gaap |
Direct Premiums Earned
DirectPremiumsEarned
|
5756400000 | USD |
| CY2016 | us-gaap |
Direct Premiums Earned
DirectPremiumsEarned
|
5966700000 | USD |
| CY2017 | us-gaap |
Direct Premiums Earned
DirectPremiumsEarned
|
6296600000 | USD |
| CY2017 | us-gaap |
Dividend Payable Date To Be Paid Day Month And Year
DividendPayableDateToBePaidDayMonthAndYear
|
2018-01-31 | |
| CY2015Q4 | us-gaap |
Dividends Receivable
DividendsReceivable
|
326000000 | USD |
| CY2016Q4 | us-gaap |
Dividends Receivable
DividendsReceivable
|
317600000 | USD |
| CY2017Q4 | us-gaap |
Dividends Receivable
DividendsReceivable
|
367300000 | USD |
| CY2015 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.63 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.48 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.39 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.43 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.51 | |
| CY2016 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.80 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.43 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.39 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
0.18 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
1.13 | |
| CY2017 | us-gaap |
Earnings Per Share Basic
EarningsPerShareBasic
|
2.14 | |
| CY2015 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.48 | |
| CY2016Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.43 | |
| CY2016Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.35 | |
| CY2016Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.39 | |
| CY2016Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.46 | |
| CY2016 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.62 | |
| CY2017Q1 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.39 | |
| CY2017Q2 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.35 | |
| CY2017Q3 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
0.17 | |
| CY2017Q4 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.01 | |
| CY2017 | us-gaap |
Earnings Per Share Diluted
EarningsPerShareDiluted
|
1.92 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.332 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.319 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Continuing Operations
EffectiveIncomeTaxRateContinuingOperations
|
0.227 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate
EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
|
0.350 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
-0.011 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
0.000 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance
EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
|
0.000 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.000 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.000 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate
EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate
|
0.087 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Dividends
EffectiveIncomeTaxRateReconciliationDeductionsDividends
|
0.030 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Dividends
EffectiveIncomeTaxRateReconciliationDeductionsDividends
|
0.026 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Deductions Dividends
EffectiveIncomeTaxRateReconciliationDeductionsDividends
|
0.032 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.004 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.001 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Other Adjustments
EffectiveIncomeTaxRateReconciliationOtherAdjustments
|
-0.005 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings
EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
|
0.002 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings
EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
|
0.001 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Repatriation Of Foreign Earnings
EffectiveIncomeTaxRateReconciliationRepatriationOfForeignEarnings
|
0.001 | |
| CY2015 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.001 | |
| CY2016 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.005 | |
| CY2017 | us-gaap |
Effective Income Tax Rate Reconciliation Tax Exempt Income
EffectiveIncomeTaxRateReconciliationTaxExemptIncome
|
0.008 | |
| CY2017Q4 | us-gaap |
Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized
EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
|
2800000 | USD |
| CY2015 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
800000 | USD |
| CY2016 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
1000000 | USD |
| CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Compensation Expense
EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
|
1200000 | USD |
| CY2015 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
|
1400000 | USD |
| CY2016 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
|
1300000 | USD |
| CY2017 | us-gaap |
Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options
EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions
|
3600000 | USD |
| CY2016Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
17600000 | USD |
| CY2017Q4 | us-gaap |
Equity Method Investments
EquityMethodInvestments
|
12800000 | USD |
| CY2016Q4 | us-gaap |
Funds Held Under Reinsurance Agreements Asset
FundsHeldUnderReinsuranceAgreementsAsset
|
127700000 | USD |
| CY2017Q4 | us-gaap |
Funds Held Under Reinsurance Agreements Asset
FundsHeldUnderReinsuranceAgreementsAsset
|
141600000 | USD |
| CY2015 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
91300000 | USD |
| CY2016 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
72800000 | USD |
| CY2017 | us-gaap |
Gain Loss On Investments
GainLossOnInvestments
|
211600000 | USD |
| CY2015Q4 | us-gaap |
Goodwill
Goodwill
|
160700000 | USD |
| CY2016Q4 | us-gaap |
Goodwill
Goodwill
|
160700000 | USD |
| CY2017Q4 | us-gaap |
Goodwill
Goodwill
|
160700000 | USD |
| CY2016 | us-gaap |
Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
|
0 | USD |
| CY2017 | us-gaap |
Goodwill Acquired During Period
GoodwillAcquiredDuringPeriod
|
0 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue
|
8400000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount
|
8200000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities Within One Year Fair Value
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue
|
0 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount
|
0 | USD |
| CY2016Q4 | us-gaap |
Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
|
947400000 | USD |
| CY2016 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | USD |
| CY2017 | us-gaap |
Goodwill Impairment Loss
GoodwillImpairmentLoss
|
0 | USD |
| CY2016Q4 | us-gaap |
Held To Maturity Securities
HeldToMaturitySecurities
|
974800000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities
HeldToMaturitySecurities
|
1067400000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
|
983000000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount
|
980500000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
|
77600000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount
HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount
|
78700000 | USD |
| CY2017Q4 | us-gaap |
Held To Maturity Securities Fair Value
HeldToMaturitySecuritiesFairValue
|
1069200000 | USD |
| CY2015 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
631800000 | USD |
| CY2016 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
686000000 | USD |
| CY2017 | us-gaap |
Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments
IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
|
725400000 | USD |
| CY2015 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
209600000 | USD |
| CY2016 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
219000000 | USD |
| CY2017 | us-gaap |
Income Tax Expense Benefit
IncomeTaxExpenseBenefit
|
164800000 | USD |
| CY2016Q4 | us-gaap |
Income Tax Receivable
IncomeTaxReceivable
|
14900000 | USD |
| CY2017Q4 | us-gaap |
Income Tax Receivable
IncomeTaxReceivable
|
0 | USD |
| CY2017 | us-gaap |
Income Tax Reconciliation Change In Enacted Tax Rate
IncomeTaxReconciliationChangeInEnactedTaxRate
|
63100000 | USD |
| CY2015 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
198500000 | USD |
| CY2016 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
178600000 | USD |
| CY2017 | us-gaap |
Income Taxes Paid Net
IncomeTaxesPaidNet
|
106300000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
96800000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
157000000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Accounts Payable And Accrued Liabilities
IncreaseDecreaseInAccountsPayableAndAccruedLiabilities
|
134500000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
24100000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
18300000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
|
23300000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Funds Held Under Reinsurance Agreements
IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements
|
-27300000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Funds Held Under Reinsurance Agreements
IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements
|
-33100000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Funds Held Under Reinsurance Agreements
IncreaseDecreaseInFundsHeldUnderReinsuranceAgreements
|
-25300000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve
IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve
|
-214400000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve
IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve
|
-31400000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Liability For Claims And Claims Adjustment Expense Reserve
IncreaseDecreaseInLiabilityForClaimsAndClaimsAdjustmentExpenseReserve
|
123700000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Other Policyholder Funds
IncreaseDecreaseInOtherPolicyholderFunds
|
69600000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Other Policyholder Funds
IncreaseDecreaseInOtherPolicyholderFunds
|
77600000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Other Policyholder Funds
IncreaseDecreaseInOtherPolicyholderFunds
|
152700000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
22600000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
59200000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Premiums Receivable
IncreaseDecreaseInPremiumsReceivable
|
79300000 | USD |
| CY2015 | us-gaap |
Increase Decrease In Prepaid Taxes
IncreaseDecreaseInPrepaidTaxes
|
17500000 | USD |
| CY2016 | us-gaap |
Increase Decrease In Prepaid Taxes
IncreaseDecreaseInPrepaidTaxes
|
19100000 | USD |
| CY2017 | us-gaap |
Increase Decrease In Prepaid Taxes
IncreaseDecreaseInPrepaidTaxes
|
31800000 | USD |
| CY2015 | us-gaap |
Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
|
35598805 | shares |
| CY2016 | us-gaap |
Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
|
35689859 | shares |
| CY2017 | us-gaap |
Incremental Common Shares Attributable To Conversion Of Debt Securities
IncrementalCommonSharesAttributableToConversionOfDebtSecurities
|
35683554 | shares |
| CY2015 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
988091 | shares |
| CY2016 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
1260094 | shares |
| CY2017 | us-gaap |
Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
|
1589286 | shares |
| CY2016Q1 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1273000000 | USD |
| CY2016Q2 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1340500000 | USD |
| CY2016Q3 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1392900000 | USD |
| CY2016Q4 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1433900000 | USD |
| CY2017Q1 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1328600000 | USD |
| CY2017Q2 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1391000000 | USD |
| CY2017Q3 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1453900000 | USD |
| CY2017Q4 | us-gaap |
Insurance Services Revenue
InsuranceServicesRevenue
|
1468300000 | USD |
| CY2015 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
42900000 | USD |
| CY2016 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
50900000 | USD |
| CY2017 | us-gaap |
Interest Expense Debt
InterestExpenseDebt
|
64500000 | USD |
| CY2015 | us-gaap |
Interest On Convertible Debt Net Of Tax
InterestOnConvertibleDebtNetOfTax
|
14600000 | USD |
| CY2016 | us-gaap |
Interest On Convertible Debt Net Of Tax
InterestOnConvertibleDebtNetOfTax
|
14600000 | USD |
| CY2017 | us-gaap |
Interest On Convertible Debt Net Of Tax
InterestOnConvertibleDebtNetOfTax
|
14000000 | USD |
| CY2015 | us-gaap |
Interest Paid Net
InterestPaidNet
|
40800000 | USD |
| CY2016 | us-gaap |
Interest Paid Net
InterestPaidNet
|
40900000 | USD |
| CY2017 | us-gaap |
Interest Paid Net
InterestPaidNet
|
62500000 | USD |
| CY2015 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
3400000 | USD |
| CY2016 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
3800000 | USD |
| CY2017 | us-gaap |
Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
|
4600000 | USD |
| CY2016Q4 | us-gaap |
Investments
Investments
|
12757700000 | USD |
| CY2017Q4 | us-gaap |
Investments
Investments
|
13318000000 | USD |
| CY2015 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
54700000 | USD |
| CY2016 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
55700000 | USD |
| CY2017 | us-gaap |
Lease And Rental Expense
LeaseAndRentalExpense
|
57100000 | USD |
| CY2016Q4 | us-gaap |
Liabilities
Liabilities
|
14130900000 | USD |
| CY2017Q4 | us-gaap |
Liabilities
Liabilities
|
14670200000 | USD |
| CY2016Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
18591600000 | USD |
| CY2017Q4 | us-gaap |
Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
|
19403500000 | USD |
| CY2014Q4 | us-gaap |
Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
|
9122000000 | USD |
| CY2015Q4 | us-gaap |
Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
|
9120100000 | USD |
| CY2016Q4 | us-gaap |
Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
|
9206000000 | USD |
| CY2017Q4 | us-gaap |
Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
|
9237600000 | USD |
| CY2015 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
|
677600000 | USD |
| CY2016 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
|
757400000 | USD |
| CY2017 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
|
1114300000 | USD |
| CY2015 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
|
1493100000 | USD |
| CY2016 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
|
1520200000 | USD |
| CY2017 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
|
1460100000 | USD |
| CY2015Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
|
3015300000 | USD |
| CY2016Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
|
3160500000 | USD |
| CY2017Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred But Not Reported Ibnr Claims Amount
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredButNotReportedIBNRClaimsAmount
|
3100600000 | USD |
| CY2015 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
|
2443000000 | USD |
| CY2016 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
|
2329900000 | USD |
| CY2017 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
|
2451000000 | USD |
| CY2015Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
6115300000 | USD |
| CY2016Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
6387600000 | USD |
| CY2017Q4 | us-gaap |
Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
|
6439800000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Next Twelve Months
LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths
|
475100000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Five
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive
|
950000000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Four
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour
|
19500000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Three
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree
|
6500000 | USD |
| CY2017Q4 | us-gaap |
Long Term Debt Maturities Repayments Of Principal In Year Two
LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo
|
6500000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-215200000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
385000000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
|
-178500000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-449800000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-1036400000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
|
-293900000 | USD |
| CY2015 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
688200000 | USD |
| CY2016 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
637300000 | USD |
| CY2017 | us-gaap |
Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
|
452800000 | USD |
| CY2015 | us-gaap |
Net Income Loss
NetIncomeLoss
|
422100000 | USD |
| CY2016Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
122900000 | USD |
| CY2016Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
101000000 | USD |
| CY2016Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
110900000 | USD |
| CY2016Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
131900000 | USD |
| CY2016 | us-gaap |
Net Income Loss
NetIncomeLoss
|
466900000 | USD |
| CY2017Q1 | us-gaap |
Net Income Loss
NetIncomeLoss
|
113100000 | USD |
| CY2017Q2 | us-gaap |
Net Income Loss
NetIncomeLoss
|
101600000 | USD |
| CY2017Q3 | us-gaap |
Net Income Loss
NetIncomeLoss
|
46100000 | USD |
| CY2017Q4 | us-gaap |
Net Income Loss
NetIncomeLoss
|
299600000 | USD |
| CY2017 | us-gaap |
Net Income Loss
NetIncomeLoss
|
560500000 | USD |
| CY2015 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
422100000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
466900000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Basic
NetIncomeLossAvailableToCommonStockholdersBasic
|
560500000 | USD |
| CY2015 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
436700000 | USD |
| CY2016 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
481500000 | USD |
| CY2017 | us-gaap |
Net Income Loss Available To Common Stockholders Diluted
NetIncomeLossAvailableToCommonStockholdersDiluted
|
574500000 | USD |
| CY2015 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
388600000 | USD |
| CY2016 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
387000000 | USD |
| CY2017 | us-gaap |
Net Investment Income
NetInvestmentIncome
|
409400000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
|
58100000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
|
23700000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
|
29400000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
|
38700000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
|
50800000 | USD |
| CY2017Q4 | us-gaap |
Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
|
109400000 | USD |
| CY2017Q4 | us-gaap |
Operating Loss Carryforwards
OperatingLossCarryforwards
|
85500000 | USD |
| CY2015 | us-gaap |
Origination Of Loans To Employee Stock Ownership Plans
OriginationOfLoansToEmployeeStockOwnershipPlans
|
34000000 | USD |
| CY2016 | us-gaap |
Origination Of Loans To Employee Stock Ownership Plans
OriginationOfLoansToEmployeeStockOwnershipPlans
|
0 | USD |
| CY2017 | us-gaap |
Origination Of Loans To Employee Stock Ownership Plans
OriginationOfLoansToEmployeeStockOwnershipPlans
|
0 | USD |
| CY2016Q4 | us-gaap |
Other Assets
OtherAssets
|
457100000 | USD |
| CY2017Q4 | us-gaap |
Other Assets
OtherAssets
|
458800000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
-382700000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
449400000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax
|
113400000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
-133800000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
157200000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Available For Sale Securities Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax
|
39500000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
|
-20100000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
|
2600000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
|
9500000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
-263100000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
294400000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
|
65400000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax
|
-8100000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax
|
1300000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Reclassification Adjustments And Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsAndTax
|
28200000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
-9100000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
700000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax
|
27700000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
-5900000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
400000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
|
18000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
3200000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
-200000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax
|
-9700000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
|
91300000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
|
72800000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax
|
211600000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
|
1000000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
|
600000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Loss Reclassification Adjustment From Aoci Pension And Other Postretirement Benefit Plans Before Tax
OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansBeforeTax
|
500000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
-291400000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
522300000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax
|
325000000 | USD |
| CY2015 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
-248900000 | USD |
| CY2016 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
292100000 | USD |
| CY2017 | us-gaap |
Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax
OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
|
73900000 | USD |
| CY2015 | us-gaap |
Other Income
OtherIncome
|
106700000 | USD |
| CY2016 | us-gaap |
Other Income
OtherIncome
|
107300000 | USD |
| CY2017 | us-gaap |
Other Income
OtherIncome
|
102200000 | USD |
| CY2016Q4 | us-gaap |
Other Investments
OtherInvestments
|
2900000 | USD |
| CY2017Q4 | us-gaap |
Other Investments
OtherInvestments
|
3300000 | USD |
| CY2016Q4 | us-gaap |
Other Liabilities
OtherLiabilities
|
302600000 | USD |
| CY2017Q4 | us-gaap |
Other Liabilities
OtherLiabilities
|
585800000 | USD |
| CY2016Q4 | us-gaap |
Other Short Term Investments
OtherShortTermInvestments
|
681600000 | USD |
| CY2017Q4 | us-gaap |
Other Short Term Investments
OtherShortTermInvestments
|
670100000 | USD |
| CY2015 | us-gaap |
Other Than Temporary Impairment Losses Investments Availableforsale Securities
OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
|
0 | USD |
| CY2016 | us-gaap |
Other Than Temporary Impairment Losses Investments Availableforsale Securities
OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
|
4900000 | USD |
| CY2017 | us-gaap |
Other Than Temporary Impairment Losses Investments Availableforsale Securities
OtherThanTemporaryImpairmentLossesInvestmentsAvailableforsaleSecurities
|
0 | USD |
| CY2016 | us-gaap |
Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
|
2277600000 | USD |
| CY2017 | us-gaap |
Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
|
2574400000 | USD |
| CY2015 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
-1300000 | USD |
| CY2016 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
0 | USD |
| CY2017 | us-gaap |
Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
|
100000 | USD |
| CY2015 | us-gaap |
Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
|
55500000 | USD |
| CY2016 | us-gaap |
Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
|
12100000 | USD |
| CY2017 | us-gaap |
Payments For Proceeds From Short Term Investments
PaymentsForProceedsFromShortTermInvestments
|
-11800000 | USD |
| CY2015 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
191300000 | USD |
| CY2016 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
193800000 | USD |
| CY2017 | us-gaap |
Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
|
198800000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
1023000000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
1166200000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
|
1607200000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
486900000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
928400000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Available For Sale Securities Equity
PaymentsToAcquireAvailableForSaleSecuritiesEquity
|
727200000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
|
357900000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
|
632100000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Held To Maturity Securities
PaymentsToAcquireHeldToMaturitySecurities
|
114500000 | USD |
| CY2015 | us-gaap |
Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
|
46600000 | USD |
| CY2016 | us-gaap |
Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
|
47500000 | USD |
| CY2017 | us-gaap |
Payments To Acquire Other Investments
PaymentsToAcquireOtherInvestments
|
54300000 | USD |
| CY2015 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
2441300000 | USD |
| CY2016 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
2329800000 | USD |
| CY2017 | us-gaap |
Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
|
2459200000 | USD |
| CY2015 | us-gaap |
Policyholder Dividends
PolicyholderDividends
|
17900000 | USD |
| CY2016 | us-gaap |
Policyholder Dividends
PolicyholderDividends
|
18100000 | USD |
| CY2017 | us-gaap |
Policyholder Dividends
PolicyholderDividends
|
19500000 | USD |
| CY2016Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.01 | |
| CY2017Q4 | us-gaap |
Preferred Stock Par Or Stated Value Per Share
PreferredStockParOrStatedValuePerShare
|
0.01 | |
| CY2016Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
75000000 | shares |
| CY2017Q4 | us-gaap |
Preferred Stock Shares Authorized
PreferredStockSharesAuthorized
|
75000000 | shares |
| CY2016Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | shares |
| CY2017Q4 | us-gaap |
Preferred Stock Shares Outstanding
PreferredStockSharesOutstanding
|
0 | shares |
| CY2016Q4 | us-gaap |
Preferred Stock Value Outstanding
PreferredStockValueOutstanding
|
0 | USD |
| CY2017Q4 | us-gaap |
Preferred Stock Value Outstanding
PreferredStockValueOutstanding
|
0 | USD |
| CY2016Q4 | us-gaap |
Premiums And Other Receivables Net
PremiumsAndOtherReceivablesNet
|
1390200000 | USD |
| CY2017Q4 | us-gaap |
Premiums And Other Receivables Net
PremiumsAndOtherReceivablesNet
|
1469700000 | USD |
| CY2015 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
4758800000 | USD |
| CY2016 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
4868900000 | USD |
| CY2017 | us-gaap |
Premiums Earned Net
PremiumsEarnedNet
|
5080200000 | USD |
| CY2015 | us-gaap |
Premiums Percentage Assumed To Net
PremiumsPercentageAssumedToNet
|
0.008 | |
| CY2016 | us-gaap |
Premiums Percentage Assumed To Net
PremiumsPercentageAssumedToNet
|
0.009 | |
| CY2017 | us-gaap |
Premiums Percentage Assumed To Net
PremiumsPercentageAssumedToNet
|
0.009 | |
| CY2016Q4 | us-gaap |
Prepaid Taxes
PrepaidTaxes
|
82400000 | USD |
| CY2017Q4 | us-gaap |
Prepaid Taxes
PrepaidTaxes
|
114300000 | USD |
| CY2015 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
12000000 | USD |
| CY2016 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
8400000 | USD |
| CY2017 | us-gaap |
Proceeds From Issuance Of Common Stock
ProceedsFromIssuanceOfCommonStock
|
17800000 | USD |
| CY2015 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
|
764100000 | USD |
| CY2016 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
|
967900000 | USD |
| CY2017 | us-gaap |
Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
|
1000600000 | USD |
| CY2015 | us-gaap |
Proceeds From Other Debt
ProceedsFromOtherDebt
|
0 | USD |
| CY2016 | us-gaap |
Proceeds From Other Debt
ProceedsFromOtherDebt
|
576800000 | USD |
| CY2017 | us-gaap |
Proceeds From Other Debt
ProceedsFromOtherDebt
|
0 | USD |
| CY2015 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
1300000 | USD |
| CY2016 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
-2800000 | USD |
| CY2017 | us-gaap |
Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
|
6400000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
|
32800000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
|
56600000 | USD |
| CY2017 | us-gaap |
Proceeds From Sale And Maturity Of Other Investments
ProceedsFromSaleAndMaturityOfOtherInvestments
|
30000000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
259500000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
306200000 | USD |
| CY2017 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
|
468400000 | USD |
| CY2015 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
462400000 | USD |
| CY2016 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
419100000 | USD |
| CY2017 | us-gaap |
Proceeds From Sale Of Available For Sale Securities Equity
ProceedsFromSaleOfAvailableForSaleSecuritiesEquity
|
698500000 | USD |
| CY2015 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
11100000 | USD |
| CY2016 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
7500000 | USD |
| CY2017 | us-gaap |
Proceeds From Stock Options Exercised
ProceedsFromStockOptionsExercised
|
16900000 | USD |
| CY2015 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
91300000 | USD |
| CY2016 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
72800000 | USD |
| CY2017 | us-gaap |
Realized Investment Gains Losses
RealizedInvestmentGainsLosses
|
211600000 | USD |
| CY2016Q4 | us-gaap |
Reinsurance Recoverable For Unpaid Claims And Claims Adjustments
ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
|
2737500000 | USD |
| CY2017Q4 | us-gaap |
Reinsurance Recoverable For Unpaid Claims And Claims Adjustments
ReinsuranceRecoverableForUnpaidClaimsAndClaimsAdjustments
|
2887800000 | USD |
| CY2016Q4 | us-gaap |
Reinsurance Recoverables On Paid Losses
ReinsuranceRecoverablesOnPaidLosses
|
63400000 | USD |
| CY2017Q4 | us-gaap |
Reinsurance Recoverables On Paid Losses
ReinsuranceRecoverablesOnPaidLosses
|
60500000 | USD |
| CY2015 | us-gaap |
Repayments Of Other Debt
RepaymentsOfOtherDebt
|
3300000 | USD |
| CY2016 | us-gaap |
Repayments Of Other Debt
RepaymentsOfOtherDebt
|
3500000 | USD |
| CY2017 | us-gaap |
Repayments Of Other Debt
RepaymentsOfOtherDebt
|
3900000 | USD |
| CY2016Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
3199600000 | USD |
| CY2017Q4 | us-gaap |
Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
|
3206900000 | USD |
| CY2017Q4 | us-gaap |
Retention Payable
RetentionPayable
|
500000 | USD |
| CY2015 | us-gaap |
Revenues
Revenues
|
5766100000 | USD |
| CY2016Q1 | us-gaap |
Revenues
Revenues
|
1413500000 | USD |
| CY2016Q2 | us-gaap |
Revenues
Revenues
|
1442200000 | USD |
| CY2016Q3 | us-gaap |
Revenues
Revenues
|
1496000000 | USD |
| CY2016Q4 | us-gaap |
Revenues
Revenues
|
1548700000 | USD |
| CY2016 | us-gaap |
Revenues
Revenues
|
5900500000 | USD |
| CY2017Q1 | us-gaap |
Revenues
Revenues
|
1444800000 | USD |
| CY2017Q2 | us-gaap |
Revenues
Revenues
|
1499000000 | USD |
| CY2017Q3 | us-gaap |
Revenues
Revenues
|
1593000000 | USD |
| CY2017Q4 | us-gaap |
Revenues
Revenues
|
1726200000 | USD |
| CY2017 | us-gaap |
Revenues
Revenues
|
6263100000 | USD |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.0506 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.0432 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
|
0.0397 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.28 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.26 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
|
0.22 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0170 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0177 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate
ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
|
0.0229 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized
ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
|
12300000 | shares |
| CY2015Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
7870396 | shares |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
6095111 | shares |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
|
4228259 | shares |
| CY2015Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
17.17 | |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
15.59 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
|
14.42 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
4200000 | USD |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
3900000 | USD |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
|
10500000 | USD |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
|
1706259 | shares |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
|
2242725 | shares |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod
|
1743625 | shares |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
|
18.69 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
|
21.71 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice
|
21.60 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
991750 | shares |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
1230050 | shares |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
|
1403500 | shares |
| CY2015 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
2.25 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
2.77 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
|
2.81 | |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
11510433 | shares |
| CY2015Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
9875574 | shares |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
8243025 | shares |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
|
6565019 | shares |
| CY2014Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
16.67 | |
| CY2015Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
16.60 | |
| CY2016Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
15.77 | |
| CY2017Q4 | us-gaap |
Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price
ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
|
15.76 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
12.14 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
12.18 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
|
12.65 | |
| CY2015 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
15.26 | |
| CY2016 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
18.14 | |
| CY2017 | us-gaap |
Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price
ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
|
19.98 | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period
SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod
|
P10Y | |
| CY2015 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P7Y | |
| CY2016 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P7Y | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1
|
P7Y | |
| CY2017 | us-gaap |
Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1
SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1
|
P3Y | |
| CY2016Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claim Adjustment Expense Aggregate Reconciling Items
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems
|
1404600000 | USD |
| CY2017Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claim Adjustment Expense Aggregate Reconciling Items
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseAggregateReconcilingItems
|
1077100000 | USD |
| CY2016Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claims Adjustment Expense Accumulated Unallocated Claim Adjustment Expense
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
|
418800000 | USD |
| CY2016Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claim Adjustment Expense Other Reconciling Item
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseOtherReconcilingItem
|
985700000 | USD |
| CY2017Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claim Adjustment Expense Other Reconciling Item
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimAdjustmentExpenseOtherReconcilingItem
|
764800000 | USD |
| CY2017Q4 | us-gaap |
Shortduration Insurance Contracts Liability For Unpaid Claims And Claims Adjustment Expense Accumulated Unallocated Claim Adjustment Expense
ShortdurationInsuranceContractsLiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseAccumulatedUnallocatedClaimAdjustmentExpense
|
312200000 | USD |
| CY2017Q4 | us-gaap |
Statutory Accounting Practices Statutory Amount Available For Dividend Payments Without Regulatory Approval
StatutoryAccountingPracticesStatutoryAmountAvailableForDividendPaymentsWithoutRegulatoryApproval
|
554600000 | USD |
| CY2015 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
920350 | shares |
| CY2016 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
619874 | shares |
| CY2017 | us-gaap |
Stock Issued During Period Shares Stock Options Exercised
StockIssuedDuringPeriodSharesStockOptionsExercised
|
1337881 | shares |
| CY2016Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
4460600000 | USD |
| CY2017Q4 | us-gaap |
Stockholders Equity
StockholdersEquity
|
4733300000 | USD |
| CY2017Q4 | us-gaap |
Summary Of Investments Other Than Investments In Related Parties Carrying Amount
SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCarryingAmount
|
13318000000 | USD |
| CY2017Q4 | us-gaap |
Summary Of Investments Other Than Investments In Related Parties Cost
SummaryOfInvestmentsOtherThanInvestmentsInRelatedPartiesCost
|
12562200000 | USD |
| CY2015 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
2542800000 | USD |
| CY2016 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
2416000000 | USD |
| CY2017 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
|
2604900000 | USD |
| CY2015 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
-99700000 | USD |
| CY2016 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
-86100000 | USD |
| CY2017 | us-gaap |
Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
|
-153800000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
396100000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
393700000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Amortization Of Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationAmortizationOfDeferredPolicyAcquisitionCosts
|
454000000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
2459300000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
2347900000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Benefits Claims Losses And Settlement Expense
SupplementaryInsuranceInformationBenefitsClaimsLossesAndSettlementExpense
|
2478800000 | USD |
| CY2015Q4 | us-gaap |
Supplementary Insurance Information Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
|
255400000 | USD |
| CY2016Q4 | us-gaap |
Supplementary Insurance Information Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
|
274000000 | USD |
| CY2017Q4 | us-gaap |
Supplementary Insurance Information Deferred Policy Acquisition Costs
SupplementaryInsuranceInformationDeferredPolicyAcquisitionCosts
|
297800000 | USD |
| CY2015Q4 | us-gaap |
Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves
SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
|
9120100000 | USD |
| CY2016Q4 | us-gaap |
Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves
SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
|
9206000000 | USD |
| CY2017Q4 | us-gaap |
Supplementary Insurance Information Liability For Future Policy Benefits Losses Claims And Loss Expense Reserves
SupplementaryInsuranceInformationLiabilityForFuturePolicyBenefitsLossesClaimsAndLossExpenseReserves
|
9237600000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
388600000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
387000000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Net Investment Income
SupplementaryInsuranceInformationNetInvestmentIncome
|
409400000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
2278900000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
2472800000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Other Operating Expense
SupplementaryInsuranceInformationOtherOperatingExpense
|
2604700000 | USD |
| CY2015Q4 | us-gaap |
Supplementary Insurance Information Other Policy Claims And Benefits Payable
SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable
|
196400000 | USD |
| CY2016Q4 | us-gaap |
Supplementary Insurance Information Other Policy Claims And Benefits Payable
SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable
|
192000000 | USD |
| CY2017Q4 | us-gaap |
Supplementary Insurance Information Other Policy Claims And Benefits Payable
SupplementaryInsuranceInformationOtherPolicyClaimsAndBenefitsPayable
|
204700000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
4758800000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
4868900000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Premium Revenue
SupplementaryInsuranceInformationPremiumRevenue
|
5080200000 | USD |
| CY2015 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
4824100000 | USD |
| CY2016 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
4933600000 | USD |
| CY2017 | us-gaap |
Supplementary Insurance Information Premiums Written
SupplementaryInsuranceInformationPremiumsWritten
|
5210100000 | USD |
| CY2015Q4 | us-gaap |
Supplementary Insurance Information Unearned Premiums
SupplementaryInsuranceInformationUnearnedPremiums
|
1748700000 | USD |
| CY2016Q4 | us-gaap |
Supplementary Insurance Information Unearned Premiums
SupplementaryInsuranceInformationUnearnedPremiums
|
1842900000 | USD |
| CY2017Q4 | us-gaap |
Supplementary Insurance Information Unearned Premiums
SupplementaryInsuranceInformationUnearnedPremiums
|
1971500000 | USD |
| CY2016Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
0 | USD |
| CY2017Q4 | us-gaap |
Taxes Payable Current
TaxesPayableCurrent
|
6500000 | USD |
| CY2016Q4 | us-gaap |
Unearned Premiums
UnearnedPremiums
|
1842900000 | USD |
| CY2017Q4 | us-gaap |
Unearned Premiums
UnearnedPremiums
|
1971500000 | USD |
| CY2015 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
296088963 | shares |
| CY2016Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
295543808 | shares |
| CY2016Q2 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
296069028 | shares |
| CY2016Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
296444432 | shares |
| CY2016Q4 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
296583195 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
296379251 | shares |
| CY2017Q1 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
298239349 | shares |
| CY2017Q2 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
298313246 | shares |
| CY2017Q3 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
298529626 | shares |
| CY2017Q4 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
300846014 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
|
299387373 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
|
259502067 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
|
259429298 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Issued Basic
WeightedAverageNumberOfSharesIssuedBasic
|
262114533 | shares |
| CY2015 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
259502067 | shares |
| CY2016Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
258657939 | shares |
| CY2016Q2 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
259093314 | shares |
| CY2016Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
259414230 | shares |
| CY2016Q4 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
259711126 | shares |
| CY2016 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
259429298 | shares |
| CY2017Q1 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
260784905 | shares |
| CY2017Q2 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
261080770 | shares |
| CY2017Q3 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
261380896 | shares |
| CY2017Q4 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
264041834 | shares |
| CY2017 | us-gaap |
Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
|
262114533 | shares |
| CY2015Q4 | us-gaap |
Workers Compensation Discount Amount
WorkersCompensationDiscountAmount
|
228600000 | USD |
| CY2016Q4 | us-gaap |
Workers Compensation Discount Amount
WorkersCompensationDiscountAmount
|
231900000 | USD |
| CY2017Q4 | us-gaap |
Workers Compensation Discount Amount
WorkersCompensationDiscountAmount
|
240700000 | USD |
