2019 Q4 Form 10-Q Financial Statement

#000002117519000109 Filed on October 28, 2019

View on sec.gov

Income Statement

Concept 2019 Q4 2019 Q3 2018 Q3
Revenue $2.777B $2.685B $2.622B
YoY Change 15.56% 2.4% 9.34%
Cost Of Revenue $1.607B $1.306B
YoY Change 23.05% -11.46%
Gross Profit $1.078B $1.316B
YoY Change -18.09% 42.58%
Gross Profit Margin 40.15% 50.19%
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization $16.00M $345.0M $337.0M
YoY Change -20.0% 2.37% 9.06%
% of Gross Profit 32.0% 25.61%
Operating Expenses $2.411B $2.526B $2.186B
YoY Change -2.9% 15.55% 0.74%
Operating Profit -$1.448B -$870.0M
YoY Change 66.44% -30.23%
Interest Expense -$31.00M $32.00M $34.00M
YoY Change -8.82% -5.88% -17.07%
% of Operating Profit
Other Income/Expense, Net $64.00M $70.00M
YoY Change -8.57% 4.48%
Pretax Income $335.0M $127.0M $402.0M
YoY Change -393.86% -68.41% 114.97%
Income Tax $62.00M $20.00M $66.00M
% Of Pretax Income 18.51% 15.75% 16.42%
Net Earnings $273.0M $107.0M $336.0M
YoY Change -425.0% -68.15% 133.33%
Net Earnings / Revenue 9.83% 3.99% 12.81%
Basic Earnings Per Share $1.00 $0.39 $1.24
Diluted Earnings Per Share $1.00 $0.39 $1.23
COMMON SHARES
Basic Shares Outstanding 271.5M shares 271.6M shares 271.6M shares
Diluted Shares Outstanding 272.6M shares 272.5M shares

Balance Sheet

Concept 2019 Q4 2019 Q3 2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents $242.0M $340.0M $310.0M
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 $282.0M $293.0M $332.0M
YoY Change -12.96% -11.75% 2.15%
Goodwill $147.0M $145.0M $147.0M
YoY Change 0.68% -1.36% 0.0%
Intangibles
YoY Change
Long-Term Investments $47.74B $47.54B $44.93B
YoY Change 7.32% 5.8% -3.89%
Other Assets $199.0M $190.0M $314.0M
YoY Change -49.23% -39.49% 122.7%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets $60.61B $60.45B $57.26B
YoY Change 6.05% 5.57% 1.2%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses $301.0M $304.0M
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt $0.00 $0.00 $0.00
YoY Change
Long-Term Debt Due $0.00
YoY Change -100.0%
Total Short-Term Liabilities $301.0M $304.0M
YoY Change
LONG-TERM LIABILITIES
Long-Term Debt $2.679B $2.678B $2.680B
YoY Change -0.04% -0.07% -1.0%
Other Long-Term Liabilities $6.803B $6.836B $6.571B
YoY Change 4.81% 4.03% 54.72%
Total Long-Term Liabilities $2.679B $2.678B $2.680B
YoY Change -0.04% -0.07% -1.0%
TOTAL LIABILITIES
Total Short-Term Liabilities $301.0M $304.0M
Total Long-Term Liabilities $2.679B $2.678B $2.680B
Total Liabilities $48.40B $48.33B $45.75B
YoY Change 5.36% 5.64% 3.01%
SHAREHOLDERS EQUITY
Retained Earnings $9.348B $9.171B $9.456B
YoY Change 0.77% -3.01% 1.97%
Common Stock $2.886B $2.880B $2.869B
YoY Change 0.38% 0.38% 0.67%
Preferred Stock
YoY Change
Treasury Stock (at cost) $70.00M $67.00M $58.00M
YoY Change 22.81% 15.52% -4.92%
Treasury Stock Shares 1.628M shares 1.562M shares 1.630M shares
Shareholders Equity $12.22B $12.12B $11.51B
YoY Change
Total Liabilities & Shareholders Equity $60.61B $60.45B $57.26B
YoY Change 6.05% 5.57% 1.2%

Cashflow Statement

Concept 2019 Q4 2019 Q3 2018 Q3
OPERATING ACTIVITIES
Net Income $273.0M $107.0M $336.0M
YoY Change -425.0% -68.15% 133.33%
Depreciation, Depletion And Amortization $16.00M $345.0M $337.0M
YoY Change -20.0% 2.37% 9.06%
Cash From Operating Activities $160.0M $466.0M $514.0M
YoY Change -55.43% -9.34% 35.62%
INVESTING ACTIVITIES
Capital Expenditures -$6.000M -$6.000M -$11.00M
YoY Change -50.0% -45.45% -8.33%
Acquisitions
YoY Change
Other Investing Activities -$159.0M -$287.0M -$348.0M
YoY Change -35.1% -17.53% 9.78%
Cash From Investing Activities -$165.0M -$293.0M -$359.0M
YoY Change -35.8% -18.38% 9.12%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities -101.0M -99.00M -134.0M
YoY Change 5.21% -26.12% -3450.0%
NET CHANGE
Cash From Operating Activities 160.0M 466.0M 514.0M
Cash From Investing Activities -165.0M -293.0M -359.0M
Cash From Financing Activities -101.0M -99.00M -134.0M
Net Change In Cash -106.0M 74.00M 21.00M
YoY Change -1866.67% 252.38% -61.11%
FREE CASH FLOW
Cash From Operating Activities $160.0M $466.0M $514.0M
Capital Expenditures -$6.000M -$6.000M -$11.00M
Free Cash Flow $166.0M $472.0M $525.0M
YoY Change -55.26% -10.1% 34.27%

Facts In Submission

Frame Concept Type Concept / XBRL Key Value Unit
CY2018Q4 cna Marketable Securities Fixed Maturities At Amortized Cost
MarketableSecuritiesFixedMaturitiesAtAmortizedCost
38085000000 USD
CY2019Q3 cna Marketable Securities Fixed Maturities At Amortized Cost
MarketableSecuritiesFixedMaturitiesAtAmortizedCost
38258000000 USD
dei Amendment Flag
AmendmentFlag
false
dei Current Fiscal Year End Date
CurrentFiscalYearEndDate
--12-31
dei Document Fiscal Period Focus
DocumentFiscalPeriodFocus
Q3
dei Document Fiscal Year Focus
DocumentFiscalYearFocus
2019
dei Entity Central Index Key
EntityCentralIndexKey
0000021175
CY2018Q4 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
216000000 USD
CY2019Q3 us-gaap Accumulated Depreciation Depletion And Amortization Property Plant And Equipment
AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
201000000 USD
CY2018Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.35
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
2.95
CY2019Q3 us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
0.35
us-gaap Common Stock Dividends Per Share Declared
CommonStockDividendsPerShareDeclared
3.05
CY2018Q4 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
2.50
CY2019Q3 us-gaap Common Stock Par Or Stated Value Per Share
CommonStockParOrStatedValuePerShare
2.50
CY2018Q4 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
500000000 shares
CY2019Q3 us-gaap Common Stock Shares Authorized
CommonStockSharesAuthorized
500000000 shares
CY2018Q4 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
273040243 shares
CY2019Q3 us-gaap Common Stock Shares Issued
CommonStockSharesIssued
273040243 shares
CY2018Q4 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
271456978 shares
CY2019Q3 us-gaap Common Stock Shares Outstanding
CommonStockSharesOutstanding
271478277 shares
CY2018Q4 us-gaap Due From Related Parties
DueFromRelatedParties
8000000 USD
CY2019Q3 us-gaap Due From Related Parties
DueFromRelatedParties
0 USD
CY2018Q4 us-gaap Due To Related Parties Current And Noncurrent
DueToRelatedPartiesCurrentAndNoncurrent
23000000 USD
CY2019Q3 us-gaap Due To Related Parties Current And Noncurrent
DueToRelatedPartiesCurrentAndNoncurrent
47000000 USD
CY2018Q4 us-gaap Equity Securities Fv Ni Cost
EquitySecuritiesFvNiCost
844000000 USD
CY2019Q3 us-gaap Equity Securities Fv Ni Cost
EquitySecuritiesFvNiCost
812000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-41000000 USD
us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
-194000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
13000000 USD
us-gaap Other Comprehensive Income Loss Tax Portion Attributable To Parent1
OtherComprehensiveIncomeLossTaxPortionAttributableToParent1
274000000 USD
CY2018Q4 us-gaap Premiums Receivable Allowance For Doubtful Accounts
PremiumsReceivableAllowanceForDoubtfulAccounts
42000000 USD
CY2019Q3 us-gaap Premiums Receivable Allowance For Doubtful Accounts
PremiumsReceivableAllowanceForDoubtfulAccounts
40000000 USD
CY2018Q3 us-gaap Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
1000000 USD
us-gaap Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
1000000 USD
CY2019Q3 us-gaap Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
-2000000 USD
us-gaap Reclassification From Aoci Current Period Tax
ReclassificationFromAociCurrentPeriodTax
-7000000 USD
CY2018Q4 us-gaap Reinsurance Recoverables Allowance
ReinsuranceRecoverablesAllowance
29000000 USD
CY2019Q3 us-gaap Reinsurance Recoverables Allowance
ReinsuranceRecoverablesAllowance
29000000 USD
CY2019Q3 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P3M
CY2019Q3 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
CY2019Q3 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
P1Y
CY2019Q3 us-gaap Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1
RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2018Q4 us-gaap Treasury Stock Shares
TreasuryStockShares
1583265 shares
CY2019Q3 us-gaap Treasury Stock Shares
TreasuryStockShares
1561966 shares
dei Document Type
DocumentType
10-Q
dei Document Quarterly Report
DocumentQuarterlyReport
true
dei Document Period End Date
DocumentPeriodEndDate
2019-09-30
dei Document Transition Report
DocumentTransitionReport
false
dei Entity File Number
EntityFileNumber
1-5823
dei Entity Registrant Name
EntityRegistrantName
CNA FINANCIAL CORPORATION
dei Entity Incorporation State Country Code
EntityIncorporationStateCountryCode
DE
dei Entity Tax Identification Number
EntityTaxIdentificationNumber
36-6169860
dei Entity Address Address Line1
EntityAddressAddressLine1
151 N. Franklin
dei Entity Address Postal Zip Code
EntityAddressPostalZipCode
60606
dei Entity Address City Or Town
EntityAddressCityOrTown
Chicago,
dei Entity Address State Or Province
EntityAddressStateOrProvince
IL
dei City Area Code
CityAreaCode
312
dei Local Phone Number
LocalPhoneNumber
822-5000
dei Entity Current Reporting Status
EntityCurrentReportingStatus
Yes
dei Entity Interactive Data Current
EntityInteractiveDataCurrent
Yes
dei Entity Filer Category
EntityFilerCategory
Large Accelerated Filer
dei Entity Small Business
EntitySmallBusiness
false
dei Entity Emerging Growth Company
EntityEmergingGrowthCompany
false
dei Entity Shell Company
EntityShellCompany
false
CY2019Q4 dei Entity Common Stock Shares Outstanding
EntityCommonStockSharesOutstanding
271478277 shares
CY2019Q3 us-gaap Premiums Earned Net
PremiumsEarnedNet
1890000000 USD
CY2018Q3 us-gaap Premiums Earned Net
PremiumsEarnedNet
1853000000 USD
us-gaap Premiums Earned Net
PremiumsEarnedNet
5517000000 USD
us-gaap Premiums Earned Net
PremiumsEarnedNet
5453000000 USD
CY2019Q3 cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
487000000 USD
CY2018Q3 cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
487000000 USD
cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
1573000000 USD
cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
1483000000 USD
CY2019Q3 us-gaap Impairment Of Investments
ImpairmentOfInvestments
14000000 USD
CY2018Q3 us-gaap Impairment Of Investments
ImpairmentOfInvestments
3000000 USD
us-gaap Impairment Of Investments
ImpairmentOfInvestments
34000000 USD
us-gaap Impairment Of Investments
ImpairmentOfInvestments
9000000 USD
CY2019Q3 cna Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments
InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments
21000000 USD
CY2018Q3 cna Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments
InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments
17000000 USD
cna Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments
InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments
54000000 USD
cna Investmentsand Derivatives Realized Gain Loss Excluding Otherthan Temporary Impairments
InvestmentsandDerivativesRealizedGainLossExcludingOtherthanTemporaryImpairments
34000000 USD
CY2019Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
7000000 USD
CY2018Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
14000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
20000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
25000000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
292000000 USD
CY2018Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
258000000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
858000000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
744000000 USD
CY2019Q3 us-gaap Other Income
OtherIncome
9000000 USD
CY2018Q3 us-gaap Other Income
OtherIncome
10000000 USD
us-gaap Other Income
OtherIncome
22000000 USD
us-gaap Other Income
OtherIncome
26000000 USD
CY2019Q3 us-gaap Revenues
Revenues
2685000000 USD
CY2018Q3 us-gaap Revenues
Revenues
2622000000 USD
us-gaap Revenues
Revenues
7990000000 USD
us-gaap Revenues
Revenues
7731000000 USD
CY2019Q3 cna Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
1614000000 USD
CY2018Q3 cna Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
1312000000 USD
cna Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
4323000000 USD
cna Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
Insuranceclaimsandpolicyholdersbenefitsincludingpolicyholdersdividends
3978000000 USD
CY2019Q3 us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
345000000 USD
CY2018Q3 us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
337000000 USD
us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
1025000000 USD
us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
992000000 USD
CY2019Q3 cna Costs From Contract With Customers
CostsFromContractWithCustomers
278000000 USD
CY2018Q3 cna Costs From Contract With Customers
CostsFromContractWithCustomers
235000000 USD
cna Costs From Contract With Customers
CostsFromContractWithCustomers
801000000 USD
cna Costs From Contract With Customers
CostsFromContractWithCustomers
676000000 USD
CY2019Q3 us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
289000000 USD
CY2018Q3 us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
302000000 USD
us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
853000000 USD
us-gaap Other Cost And Expense Operating
OtherCostAndExpenseOperating
903000000 USD
CY2019Q3 us-gaap Interest Expense
InterestExpense
32000000 USD
CY2018Q3 us-gaap Interest Expense
InterestExpense
34000000 USD
us-gaap Interest Expense
InterestExpense
100000000 USD
us-gaap Interest Expense
InterestExpense
104000000 USD
CY2019Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
2558000000 USD
CY2018Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
2220000000 USD
us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
7102000000 USD
us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
6653000000 USD
CY2019Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
127000000 USD
CY2018Q3 us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
402000000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
888000000 USD
us-gaap Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest
IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
1078000000 USD
CY2019Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
20000000 USD
CY2018Q3 us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
66000000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
161000000 USD
us-gaap Income Tax Expense Benefit
IncomeTaxExpenseBenefit
181000000 USD
CY2019Q3 us-gaap Net Income Loss
NetIncomeLoss
107000000 USD
CY2018Q3 us-gaap Net Income Loss
NetIncomeLoss
336000000 USD
us-gaap Net Income Loss
NetIncomeLoss
727000000 USD
us-gaap Net Income Loss
NetIncomeLoss
897000000 USD
CY2019Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
0.39
CY2018Q3 us-gaap Earnings Per Share Basic
EarningsPerShareBasic
1.24
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
2.68
us-gaap Earnings Per Share Basic
EarningsPerShareBasic
3.30
CY2019Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
0.39
CY2018Q3 us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
1.23
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
2.67
us-gaap Earnings Per Share Diluted
EarningsPerShareDiluted
3.29
CY2019Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
271600000 shares
CY2018Q3 us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
271600000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
271600000 shares
us-gaap Weighted Average Number Of Shares Outstanding Basic
WeightedAverageNumberOfSharesOutstandingBasic
271500000 shares
CY2019Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
272600000 shares
CY2018Q3 us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
272500000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
272500000 shares
us-gaap Weighted Average Number Of Diluted Shares Outstanding
WeightedAverageNumberOfDilutedSharesOutstanding
272400000 shares
CY2019Q3 us-gaap Net Income Loss
NetIncomeLoss
107000000 USD
CY2018Q3 us-gaap Net Income Loss
NetIncomeLoss
336000000 USD
us-gaap Net Income Loss
NetIncomeLoss
727000000 USD
us-gaap Net Income Loss
NetIncomeLoss
897000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax
41000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax
-159000000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax
1007000000 USD
us-gaap Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Reclassification Adjustments Net Of Tax
OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeReclassificationAdjustmentsNetOfTax
-757000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-29000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
0 USD
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-12000000 USD
us-gaap Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax
OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax
-40000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-7000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-7000000 USD
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-22000000 USD
us-gaap Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax
OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax
-24000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
19000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-152000000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
1017000000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax
OtherComprehensiveIncomeLossNetOfTax
-773000000 USD
CY2019Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
126000000 USD
CY2018Q3 us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
184000000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
1744000000 USD
us-gaap Comprehensive Income Net Of Tax
ComprehensiveIncomeNetOfTax
124000000 USD
CY2019Q3 us-gaap Debt Securities
DebtSecurities
42459000000 USD
CY2018Q4 us-gaap Debt Securities
DebtSecurities
39546000000 USD
CY2019Q3 us-gaap Equity Securities Fv Ni
EquitySecuritiesFvNi
841000000 USD
CY2018Q4 us-gaap Equity Securities Fv Ni
EquitySecuritiesFvNi
780000000 USD
CY2019Q3 cna Limited Partnership Investments
LimitedPartnershipInvestments
1758000000 USD
CY2018Q4 cna Limited Partnership Investments
LimitedPartnershipInvestments
1982000000 USD
CY2019Q3 us-gaap Other Investments
OtherInvestments
60000000 USD
CY2018Q4 us-gaap Other Investments
OtherInvestments
53000000 USD
CY2019Q3 us-gaap Mortgage Loans On Real Estate Commercial And Consumer Net
MortgageLoansOnRealEstateCommercialAndConsumerNet
923000000 USD
CY2018Q4 us-gaap Mortgage Loans On Real Estate Commercial And Consumer Net
MortgageLoansOnRealEstateCommercialAndConsumerNet
839000000 USD
CY2019Q3 us-gaap Short Term Investments
ShortTermInvestments
1494000000 USD
CY2018Q4 us-gaap Short Term Investments
ShortTermInvestments
1286000000 USD
CY2019Q3 us-gaap Investments
Investments
47535000000 USD
CY2018Q4 us-gaap Investments
Investments
44486000000 USD
CY2019Q3 us-gaap Cash
Cash
340000000 USD
CY2018Q4 us-gaap Cash
Cash
310000000 USD
CY2019Q3 us-gaap Reinsurance Recoverables
ReinsuranceRecoverables
4063000000 USD
CY2018Q4 us-gaap Reinsurance Recoverables
ReinsuranceRecoverables
4426000000 USD
CY2019Q3 us-gaap Premiums Receivable At Carrying Value
PremiumsReceivableAtCarryingValue
2464000000 USD
CY2018Q4 us-gaap Premiums Receivable At Carrying Value
PremiumsReceivableAtCarryingValue
2323000000 USD
CY2019Q3 us-gaap Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
409000000 USD
CY2018Q4 us-gaap Accrued Investment Income Receivable
AccruedInvestmentIncomeReceivable
391000000 USD
CY2019Q3 us-gaap Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
668000000 USD
CY2018Q4 us-gaap Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
633000000 USD
CY2019Q3 us-gaap Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
190000000 USD
CY2018Q4 us-gaap Deferred Income Tax Assets Net
DeferredIncomeTaxAssetsNet
392000000 USD
CY2019Q3 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
293000000 USD
CY2018Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
324000000 USD
CY2019Q3 us-gaap Goodwill
Goodwill
145000000 USD
CY2018Q4 us-gaap Goodwill
Goodwill
146000000 USD
CY2019Q3 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
2772000000 USD
CY2018Q4 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
2513000000 USD
CY2019Q3 us-gaap Other Assets
OtherAssets
1571000000 USD
CY2018Q4 us-gaap Other Assets
OtherAssets
1208000000 USD
CY2019Q3 us-gaap Assets
Assets
60450000000 USD
CY2018Q4 us-gaap Assets
Assets
57152000000 USD
CY2019Q3 us-gaap Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
21596000000 USD
CY2018Q4 us-gaap Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
21984000000 USD
CY2019Q3 us-gaap Unearned Premiums
UnearnedPremiums
4608000000 USD
CY2018Q4 us-gaap Unearned Premiums
UnearnedPremiums
4183000000 USD
CY2019Q3 us-gaap Liability For Future Policy Benefits
LiabilityForFuturePolicyBenefits
12305000000 USD
CY2018Q4 us-gaap Liability For Future Policy Benefits
LiabilityForFuturePolicyBenefits
10597000000 USD
CY2019Q3 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2678000000 USD
CY2018Q4 us-gaap Long Term Debt Noncurrent
LongTermDebtNoncurrent
2680000000 USD
CY2019Q3 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3707000000 USD
CY2018Q4 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3402000000 USD
CY2019Q3 us-gaap Other Liabilities
OtherLiabilities
3433000000 USD
CY2018Q4 us-gaap Other Liabilities
OtherLiabilities
3089000000 USD
CY2019Q3 us-gaap Liabilities
Liabilities
48327000000 USD
CY2018Q4 us-gaap Liabilities
Liabilities
45935000000 USD
CY2018Q4 us-gaap Commitments And Contingencies
CommitmentsAndContingencies
USD
CY2019Q3 us-gaap Common Stock Value
CommonStockValue
683000000 USD
CY2018Q4 us-gaap Common Stock Value
CommonStockValue
683000000 USD
CY2019Q3 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
2197000000 USD
CY2018Q4 us-gaap Additional Paid In Capital Common Stock
AdditionalPaidInCapitalCommonStock
2192000000 USD
CY2019Q3 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
9171000000 USD
CY2018Q4 us-gaap Retained Earnings Accumulated Deficit
RetainedEarningsAccumulatedDeficit
9277000000 USD
CY2019Q3 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
139000000 USD
CY2018Q4 us-gaap Accumulated Other Comprehensive Income Loss Net Of Tax
AccumulatedOtherComprehensiveIncomeLossNetOfTax
-878000000 USD
CY2019Q3 us-gaap Treasury Stock Value
TreasuryStockValue
67000000 USD
CY2018Q4 us-gaap Treasury Stock Value
TreasuryStockValue
57000000 USD
CY2019Q3 us-gaap Stockholders Equity
StockholdersEquity
12123000000 USD
CY2018Q4 us-gaap Stockholders Equity
StockholdersEquity
11217000000 USD
CY2019Q3 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
60450000000 USD
CY2018Q4 us-gaap Liabilities And Stockholders Equity
LiabilitiesAndStockholdersEquity
57152000000 USD
us-gaap Net Income Loss
NetIncomeLoss
727000000 USD
us-gaap Net Income Loss
NetIncomeLoss
897000000 USD
cna Deferred Income Tax Expense Benefit Continuingand Discontinuing
DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing
-72000000 USD
cna Deferred Income Tax Expense Benefit Continuingand Discontinuing
DeferredIncomeTaxExpenseBenefitContinuingandDiscontinuing
37000000 USD
us-gaap Increase Decrease In Financial Instruments Used In Operating Activities
IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities
1000000 USD
us-gaap Increase Decrease In Financial Instruments Used In Operating Activities
IncreaseDecreaseInFinancialInstrumentsUsedInOperatingActivities
-2000000 USD
cna Net Realized Investment Gains Losses Continuing And Discontinuing Operations
NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations
20000000 USD
cna Net Realized Investment Gains Losses Continuing And Discontinuing Operations
NetRealizedInvestmentGainsLossesContinuingAndDiscontinuingOperations
25000000 USD
us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
-48000000 USD
us-gaap Income Loss From Equity Method Investments Net Of Dividends Or Distributions
IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
-136000000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
64000000 USD
us-gaap Accretion Amortization Of Discounts And Premiums Investments
AccretionAmortizationOfDiscountsAndPremiumsInvestments
48000000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
52000000 USD
us-gaap Depreciation Depletion And Amortization
DepreciationDepletionAndAmortization
59000000 USD
us-gaap Increase Decrease In Other Receivables
IncreaseDecreaseInOtherReceivables
-207000000 USD
us-gaap Increase Decrease In Other Receivables
IncreaseDecreaseInOtherReceivables
47000000 USD
us-gaap Increase Decrease In Accrued Investment Income Receivable
IncreaseDecreaseInAccruedInvestmentIncomeReceivable
18000000 USD
us-gaap Increase Decrease In Accrued Investment Income Receivable
IncreaseDecreaseInAccruedInvestmentIncomeReceivable
-5000000 USD
us-gaap Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
37000000 USD
us-gaap Increase Decrease In Deferred Policy Acquisition Costs
IncreaseDecreaseInDeferredPolicyAcquisitionCosts
24000000 USD
us-gaap Increase Decrease In Insurance Liabilities
IncreaseDecreaseInInsuranceLiabilities
337000000 USD
us-gaap Increase Decrease In Insurance Liabilities
IncreaseDecreaseInInsuranceLiabilities
108000000 USD
us-gaap Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
-179000000 USD
us-gaap Adjustments Noncash Items To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities
AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities
-232000000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
980000000 USD
us-gaap Net Cash Provided By Used In Operating Activities
NetCashProvidedByUsedInOperatingActivities
868000000 USD
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
4872000000 USD
us-gaap Proceeds From Sale Of Available For Sale Securities Debt
ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
6622000000 USD
us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
2116000000 USD
us-gaap Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities
ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
1838000000 USD
cna Proceedsfrom Saleof Marketable Securities Equity
ProceedsfromSaleofMarketableSecuritiesEquity
171000000 USD
cna Proceedsfrom Saleof Marketable Securities Equity
ProceedsfromSaleofMarketableSecuritiesEquity
69000000 USD
us-gaap Proceeds From Limited Partnership Investments
ProceedsFromLimitedPartnershipInvestments
417000000 USD
us-gaap Proceeds From Limited Partnership Investments
ProceedsFromLimitedPartnershipInvestments
304000000 USD
us-gaap Proceeds From Sale And Collection Of Mortgage Notes Receivable
ProceedsFromSaleAndCollectionOfMortgageNotesReceivable
109000000 USD
us-gaap Proceeds From Sale And Collection Of Mortgage Notes Receivable
ProceedsFromSaleAndCollectionOfMortgageNotesReceivable
83000000 USD
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
7053000000 USD
us-gaap Payments To Acquire Available For Sale Securities Debt
PaymentsToAcquireAvailableForSaleSecuritiesDebt
8244000000 USD
cna Paymentsto Acquire Marketable Securities Equity
PaymentstoAcquireMarketableSecuritiesEquity
140000000 USD
cna Paymentsto Acquire Marketable Securities Equity
PaymentstoAcquireMarketableSecuritiesEquity
177000000 USD
us-gaap Payments To Acquire Limited Partnership Interests
PaymentsToAcquireLimitedPartnershipInterests
167000000 USD
us-gaap Payments To Acquire Limited Partnership Interests
PaymentsToAcquireLimitedPartnershipInterests
380000000 USD
cna Payments To Purchase Mortgage Loans
PaymentsToPurchaseMortgageLoans
193000000 USD
cna Payments To Purchase Mortgage Loans
PaymentsToPurchaseMortgageLoans
112000000 USD
cna Change In Other Investments
ChangeInOtherInvestments
-8000000 USD
cna Change In Other Investments
ChangeInOtherInvestments
-10000000 USD
cna Change In Short Term Investments
ChangeInShortTermInvestments
-180000000 USD
cna Change In Short Term Investments
ChangeInShortTermInvestments
158000000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
20000000 USD
us-gaap Payments To Acquire Property Plant And Equipment
PaymentsToAcquirePropertyPlantAndEquipment
87000000 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-16000000 USD
us-gaap Payments For Proceeds From Other Investing Activities
PaymentsForProceedsFromOtherInvestingActivities
-16000000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
-60000000 USD
us-gaap Net Cash Provided By Used In Investing Activities
NetCashProvidedByUsedInInvestingActivities
80000000 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
834000000 USD
us-gaap Payments Of Dividends Common Stock
PaymentsOfDividendsCommonStock
801000000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
496000000 USD
us-gaap Proceeds From Issuance Of Long Term Debt
ProceedsFromIssuanceOfLongTermDebt
0 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
520000000 USD
us-gaap Repayments Of Long Term Debt
RepaymentsOfLongTermDebt
180000000 USD
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
18000000 USD
us-gaap Payments For Repurchase Of Common Stock
PaymentsForRepurchaseOfCommonStock
0 USD
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-11000000 USD
us-gaap Proceeds From Payments For Other Financing Activities
ProceedsFromPaymentsForOtherFinancingActivities
-8000000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-887000000 USD
us-gaap Net Cash Provided By Used In Financing Activities
NetCashProvidedByUsedInFinancingActivities
-989000000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-3000000 USD
us-gaap Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
-4000000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
30000000 USD
us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
-45000000 USD
CY2018Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
310000000 USD
CY2017Q4 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
355000000 USD
CY2019Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
340000000 USD
CY2018Q3 us-gaap Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents
CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
310000000 USD
CY2019Q3 us-gaap Stockholders Equity
StockholdersEquity
12123000000 USD
CY2018Q3 us-gaap Stockholders Equity
StockholdersEquity
11510000000 USD
CY2019Q3 us-gaap Stockholders Equity
StockholdersEquity
12123000000 USD
CY2018Q3 us-gaap Stockholders Equity
StockholdersEquity
11510000000 USD
CY2018Q4 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
324000000 USD
CY2019Q1 us-gaap Property Plant And Equipment Net
PropertyPlantAndEquipmentNet
326000000 USD
CY2018Q4 us-gaap Other Assets
OtherAssets
1208000000 USD
CY2019Q1 us-gaap Other Assets
OtherAssets
1445000000 USD
CY2018Q4 us-gaap Other Liabilities
OtherLiabilities
3089000000 USD
CY2019Q1 us-gaap Other Liabilities
OtherLiabilities
3328000000 USD
CY2019Q3 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
1000000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
920000 shares
CY2019Q3 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
3000 shares
CY2018Q3 us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
900000 shares
us-gaap Incremental Common Shares Attributable To Share Based Payment Arrangements
IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
925000 shares
CY2018Q3 us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
1000 shares
us-gaap Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount
AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
3000 shares
us-gaap Treasury Stock Shares Acquired
TreasuryStockSharesAcquired
415695 shares
us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
18000000 USD
CY2018 us-gaap Treasury Stock Value Acquired Cost Method
TreasuryStockValueAcquiredCostMethod
0 USD
CY2019Q3 us-gaap Gross Investment Income Operating
GrossInvestmentIncomeOperating
503000000 USD
CY2018Q3 us-gaap Gross Investment Income Operating
GrossInvestmentIncomeOperating
501000000 USD
us-gaap Gross Investment Income Operating
GrossInvestmentIncomeOperating
1621000000 USD
us-gaap Gross Investment Income Operating
GrossInvestmentIncomeOperating
1528000000 USD
CY2019Q3 us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
16000000 USD
CY2018Q3 us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
14000000 USD
us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
48000000 USD
us-gaap Investment Income Investment Expense
InvestmentIncomeInvestmentExpense
45000000 USD
CY2019Q3 us-gaap Net Investment Income
NetInvestmentIncome
487000000 USD
CY2018Q3 us-gaap Net Investment Income
NetInvestmentIncome
487000000 USD
us-gaap Net Investment Income
NetInvestmentIncome
1573000000 USD
us-gaap Net Investment Income
NetInvestmentIncome
1483000000 USD
CY2019Q3 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
34000000 USD
CY2018Q3 us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
42000000 USD
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
98000000 USD
us-gaap Debt Securities Available For Sale Realized Gain
DebtSecuritiesAvailableForSaleRealizedGain
148000000 USD
CY2019Q3 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
31000000 USD
CY2018Q3 us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
32000000 USD
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
104000000 USD
us-gaap Debt Securities Available For Sale Realized Loss
DebtSecuritiesAvailableForSaleRealizedLoss
116000000 USD
CY2019Q3 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
3000000 USD
CY2018Q3 us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
10000000 USD
us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
-6000000 USD
us-gaap Debt Securities Available For Sale Realized Gain Loss
DebtSecuritiesAvailableForSaleRealizedGainLoss
32000000 USD
CY2019Q3 us-gaap Equity Securities Fv Ni Realized Gain Loss
EquitySecuritiesFvNiRealizedGainLoss
7000000 USD
CY2018Q3 us-gaap Equity Securities Fv Ni Realized Gain Loss
EquitySecuritiesFvNiRealizedGainLoss
2000000 USD
us-gaap Equity Securities Fv Ni Realized Gain Loss
EquitySecuritiesFvNiRealizedGainLoss
60000000 USD
us-gaap Equity Securities Fv Ni Realized Gain Loss
EquitySecuritiesFvNiRealizedGainLoss
-23000000 USD
CY2019Q3 us-gaap Gain Loss On Sale Of Derivatives
GainLossOnSaleOfDerivatives
-2000000 USD
CY2018Q3 us-gaap Gain Loss On Sale Of Derivatives
GainLossOnSaleOfDerivatives
1000000 USD
us-gaap Gain Loss On Sale Of Derivatives
GainLossOnSaleOfDerivatives
-13000000 USD
us-gaap Gain Loss On Sale Of Derivatives
GainLossOnSaleOfDerivatives
10000000 USD
CY2019Q3 cna Realized Gain Losson Short Term Investments
RealizedGainLossonShortTermInvestments
-1000000 USD
CY2018Q3 cna Realized Gain Losson Short Term Investments
RealizedGainLossonShortTermInvestments
1000000 USD
cna Realized Gain Losson Short Term Investments
RealizedGainLossonShortTermInvestments
-21000000 USD
cna Realized Gain Losson Short Term Investments
RealizedGainLossonShortTermInvestments
6000000 USD
CY2019Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
7000000 USD
CY2018Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
14000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
20000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
25000000 USD
CY2019Q3 us-gaap Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings
14000000 USD
CY2018Q3 us-gaap Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings
3000000 USD
us-gaap Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings
34000000 USD
us-gaap Other Than Temporary Impairment Loss Debt Securities Portion Recognized In Earnings
OtherThanTemporaryImpairmentLossDebtSecuritiesPortionRecognizedInEarnings
9000000 USD
CY2019Q3 cna Debt Securities Amortized Cost
DebtSecuritiesAmortizedCost
38258000000 USD
CY2019Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
4251000000 USD
CY2019Q3 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
50000000 USD
CY2019Q3 us-gaap Debt Securities
DebtSecurities
42459000000 USD
CY2018Q4 cna Debt Securities Amortized Cost
DebtSecuritiesAmortizedCost
38085000000 USD
CY2018Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
1982000000 USD
CY2018Q4 us-gaap Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax
AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
521000000 USD
CY2018Q4 us-gaap Debt Securities
DebtSecurities
39546000000 USD
CY2019Q3 cna Reduction Of Net Unrealized Gains On Investments Included In Aoci Due To Shadow Adjustments
ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAOCIDueToShadowAdjustments
2237000000 USD
CY2018Q4 cna Reduction Of Net Unrealized Gains On Investments Included In Aoci Due To Shadow Adjustments
ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAOCIDueToShadowAdjustments
1078000000 USD
CY2019Q2 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
16000000 USD
CY2018Q2 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
21000000 USD
CY2018Q4 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
18000000 USD
CY2017Q4 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
27000000 USD
CY2019Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
0 USD
CY2018Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
2000000 USD
us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
2000000 USD
us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Reductions Securities Sold
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsReductionsSecuritiesSold
8000000 USD
CY2019Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
16000000 USD
CY2018Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
19000000 USD
CY2019Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
16000000 USD
CY2018Q3 us-gaap Other Than Temporary Impairment Credit Losses Recognized In Earnings Credit Losses On Debt Securities Held
OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsCreditLossesOnDebtSecuritiesHeld
19000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
1071000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
1091000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost
1350000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities Within One Year Fair Value
AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue
1359000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
10992000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
11470000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost
7979000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After One Through Five Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue
8139000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
0 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
16000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
13694000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
14711000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost
16859000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue
16870000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
12496000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
15182000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Amortized Cost
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost
11893000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Maturities After Ten Years Fair Value
AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue
13174000000 USD
CY2019Q3 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
38253000000 USD
CY2019Q3 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
42454000000 USD
CY2018Q4 us-gaap Available For Sale Debt Securities Amortized Cost Basis
AvailableForSaleDebtSecuritiesAmortizedCostBasis
38081000000 USD
CY2018Q4 us-gaap Available For Sale Securities Debt Securities
AvailableForSaleSecuritiesDebtSecurities
39542000000 USD
CY2019Q3 us-gaap Derivative Notional Amount
DerivativeNotionalAmount
170000000 USD
CY2018Q4 us-gaap Derivative Notional Amount
DerivativeNotionalAmount
172000000 USD
CY2019Q3 us-gaap Derivative Fair Value Of Derivative Liability
DerivativeFairValueOfDerivativeLiability
9000000 USD
CY2018Q4 us-gaap Derivative Fair Value Of Derivative Asset
DerivativeFairValueOfDerivativeAsset
4000000 USD
CY2019Q3 cna Commitments To Purchase Or Fund Additional Amounts
CommitmentsToPurchaseOrFundAdditionalAmounts
865000000 USD
CY2019Q3 cna Commitments To Sell Various Privately Placed Debt Securities
CommitmentsToSellVariousPrivatelyPlacedDebtSecurities
90000000 USD
CY2019Q3 us-gaap Debt Securities
DebtSecurities
42459000000 USD
CY2019Q3 us-gaap Equity Securities Fv Ni
EquitySecuritiesFvNi
841000000 USD
CY2019Q3 cna Shortterm Investmentsand Other
ShorttermInvestmentsandOther
1377000000 USD
CY2019Q3 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
44677000000 USD
CY2019Q3 us-gaap Other Liabilities Fair Value Disclosure
OtherLiabilitiesFairValueDisclosure
9000000 USD
CY2019Q3 us-gaap Liabilities Fair Value Disclosure
LiabilitiesFairValueDisclosure
9000000 USD
CY2018Q4 us-gaap Debt Securities
DebtSecurities
39546000000 USD
CY2018Q4 us-gaap Equity Securities Fv Ni
EquitySecuritiesFvNi
780000000 USD
CY2018Q4 cna Shortterm Investmentsand Other
ShorttermInvestmentsandOther
1165000000 USD
CY2018Q4 us-gaap Assets Fair Value Disclosure
AssetsFairValueDisclosure
41491000000 USD
CY2018Q4 us-gaap Other Liabilities Fair Value Disclosure
OtherLiabilitiesFairValueDisclosure
-4000000 USD
CY2018Q4 us-gaap Liabilities Fair Value Disclosure
LiabilitiesFairValueDisclosure
-4000000 USD
CY2019Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
553000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
15000000 USD
CY2019Q3 cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss
15000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
101000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
0 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
7000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
646000000 USD
CY2019Q3 us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
0 USD
CY2019Q3 cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Unrealized Gain Loss Includedin Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedinOtherComprehensiveIncomeLoss
16000000 USD
CY2018Q2 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
385000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
0 USD
CY2018Q3 cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss
-1000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
122000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
0 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
29000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
59000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
32000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
504000000 USD
CY2018Q3 us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
-1000000 USD
CY2018Q3 cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Unrealized Gain Loss Includedin Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedinOtherComprehensiveIncomeLoss
1000000 USD
CY2018Q4 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
437000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
42000000 USD
cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss
44000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
255000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
0 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
19000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
45000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
116000000 USD
CY2019Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
646000000 USD
us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
2000000 USD
cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Unrealized Gain Loss Includedin Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedinOtherComprehensiveIncomeLoss
38000000 USD
CY2017Q4 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
454000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Other Comprehensive Income Loss
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInOtherComprehensiveIncomeLoss
-7000000 USD
cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings And Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarningsAndOtherComprehensiveIncomeLoss
-5000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases
195000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Sales
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSales
77000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements
45000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3
77000000 USD
us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3
95000000 USD
CY2018Q3 us-gaap Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value
FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue
504000000 USD
us-gaap Fair Value Assets Measured On Recurring Basis Change In Unrealized Gain Loss
FairValueAssetsMeasuredOnRecurringBasisChangeInUnrealizedGainLoss
-4000000 USD
cna Fair Value Measurementwith Unobservable Inputs Reconciliation Recurring Basis Asset Unrealized Gain Loss Includedin Other Comprehensive Income Loss
FairValueMeasurementwithUnobservableInputsReconciliationRecurringBasisAssetUnrealizedGainLossIncludedinOtherComprehensiveIncomeLoss
-4000000 USD
CY2019Q3 cna Other Invested Assets Overseas Deposit
OtherInvestedAssetsOverseasDeposit
55000000 USD
CY2018Q4 cna Other Invested Assets Overseas Deposit
OtherInvestedAssetsOverseasDeposit
48000000 USD
CY2019Q3 cna Catastrophe Losses Net Of Reinsurance
CatastropheLossesNetOfReinsurance
32000000 USD
cna Catastrophe Losses Net Of Reinsurance
CatastropheLossesNetOfReinsurance
128000000 USD
CY2018Q3 cna Catastrophe Losses Net Of Reinsurance
CatastropheLossesNetOfReinsurance
46000000 USD
cna Catastrophe Losses Net Of Reinsurance
CatastropheLossesNetOfReinsurance
106000000 USD
us-gaap Schedule Of Liability For Unpaid Claims And Claims Adjustment Expense
ScheduleOfLiabilityForUnpaidClaimsAndClaimsAdjustmentExpense
<div style="line-height:120%;padding-bottom:8px;padding-top:8px;text-align:justify;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The following table presents a reconciliation between beginning and ending claim and claim adjustment expense reserves, including claim and claim adjustment expense reserves of the Life &amp; Group segment.</span></div><div style="line-height:120%;text-align:left;font-size:10pt;"><div style="padding-left:0px;text-indent:0px;line-height:normal;padding-top:10px;"><table cellpadding="0" cellspacing="0" style="font-family:Times New Roman;font-size:10pt;width:100%;border-collapse:collapse;text-align:left;"><tr><td colspan="8"/></tr><tr><td style="width:73%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:1%;"/><td style="width:11%;"/><td style="width:1%;"/></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">For the nine months ended September 30</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">(In millions)</span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2019</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:center;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">2018</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Reserves, beginning of year:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;border-top:1px solid #000000;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Gross</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>21,984</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>22,004</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Ceded</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>4,019</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,934</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Net reserves, beginning of year</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>17,965</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>18,070</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Net incurred claim and claim adjustment expenses:</span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Provision for insured events of current year</span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,968</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,866</span></span></div></td><td style="vertical-align:bottom;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Increase (decrease) in provision for insured events of prior years</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(65</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(173</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Amortization of discount</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>143</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>136</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Total net incurred </span><span style="font-family:inherit;font-size:8pt;"><sup style="vertical-align:top;line-height:120%;font-size:5pt">(1)</sup></span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>4,046</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,829</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;border-top:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Net payments attributable to:</span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="3" style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Current year events</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(599</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(658</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:12px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Prior year events</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(3,547</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(3,415</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Total net payments</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(4,146</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(4,073</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-right:2px;padding-top:2px;padding-bottom:2px;border-top:1px solid #000000;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Foreign currency translation adjustment and other</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>29</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>(80</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;padding-right:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">)</span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Net reserves, end of period</span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>17,894</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>17,746</span></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Ceded reserves, end of period</span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,702</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td colspan="2" style="vertical-align:bottom;border-bottom:1px solid #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>3,858</span></span></div></td><td style="vertical-align:bottom;border-bottom:1px solid #000000;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr><tr><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;font-weight:bold;">Gross reserves, end of period</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>21,596</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td><td style="vertical-align:bottom;background-color:#cceeff;padding-left:2px;padding-top:2px;padding-bottom:2px;padding-right:2px;"><div style="overflow:hidden;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"> </span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;padding-left:2px;padding-top:2px;padding-bottom:2px;background-color:#cceeff;"><div style="text-align:left;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">$</span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;padding-top:2px;padding-bottom:2px;"><div style="text-align:right;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;"><span>21,604</span></span></div></td><td style="vertical-align:bottom;border-bottom:3px double #000000;background-color:#cceeff;"><div style="text-align:left;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div></td></tr></table></div><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;font-size:8pt;padding-left:0px;"><span style="font-family:inherit;font-size:8pt;">(1)</span></div><div style="line-height:120%;text-align:justify;font-size:8pt;"><span style="font-family:inherit;font-size:8pt;">Total net incurred above does not agree to Insurance claims and policyholders' benefits as reflected on the Condensed Consolidated Statements of Operations due to amounts related to retroactive reinsurance deferred gain accounting, uncollectible reinsurance and loss deductible receivables, and benefit expenses related to future policy benefits, which are not reflected in the table above.</span></div>
CY2018Q4 cna Liabilityforunpaidclaimandclaimadjustmentexpensegross
Liabilityforunpaidclaimandclaimadjustmentexpensegross
21984000000 USD
CY2017Q4 cna Liabilityforunpaidclaimandclaimadjustmentexpensegross
Liabilityforunpaidclaimandclaimadjustmentexpensegross
22004000000 USD
CY2018Q4 cna Ceded Claim And Claim Adjustment Expenses
CededClaimAndClaimAdjustmentExpenses
4019000000 USD
CY2017Q4 cna Ceded Claim And Claim Adjustment Expenses
CededClaimAndClaimAdjustmentExpenses
3934000000 USD
CY2018Q4 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
17965000000 USD
CY2017Q4 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
18070000000 USD
us-gaap Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
3968000000 USD
us-gaap Supplemental Information For Property Casualty Insurance Underwriters Current Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersCurrentYearClaimsAndClaimsAdjustmentExpense
3866000000 USD
us-gaap Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
-65000000 USD
us-gaap Supplemental Information For Property Casualty Insurance Underwriters Prior Year Claims And Claims Adjustment Expense
SupplementalInformationForPropertyCasualtyInsuranceUnderwritersPriorYearClaimsAndClaimsAdjustmentExpense
-173000000 USD
cna Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Amortization Of Discount
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount
143000000 USD
cna Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims Amortization Of Discount
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaimsAmortizationOfDiscount
136000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
4046000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Incurred Claims1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseIncurredClaims1
3829000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
599000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Current Year1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidCurrentYear1
658000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
3547000000 USD
us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Claims Paid Prior Years1
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseClaimsPaidPriorYears1
3415000000 USD
us-gaap Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
4146000000 USD
us-gaap Payments For Losses And Loss Adjustment Expense
PaymentsForLossesAndLossAdjustmentExpense
4073000000 USD
cna Liability For Unpaid Claims And Claims Adjustment Expense Foreign Cta And Other
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther
29000000 USD
cna Liability For Unpaid Claims And Claims Adjustment Expense Foreign Cta And Other
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseForeignCtaAndOther
-80000000 USD
CY2019Q3 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
17894000000 USD
CY2018Q3 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Net
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpenseNet
17746000000 USD
CY2019Q3 cna Ceded Claim And Claim Adjustment Expenses
CededClaimAndClaimAdjustmentExpenses
3702000000 USD
CY2018Q3 cna Ceded Claim And Claim Adjustment Expenses
CededClaimAndClaimAdjustmentExpenses
3858000000 USD
CY2019Q3 cna Liabilityforunpaidclaimandclaimadjustmentexpensegross
Liabilityforunpaidclaimandclaimadjustmentexpensegross
21596000000 USD
CY2018Q3 cna Liabilityforunpaidclaimandclaimadjustmentexpensegross
Liabilityforunpaidclaimandclaimadjustmentexpensegross
21604000000 USD
CY2019Q3 cna Pretax Favorable Unfavorable Premium Development Excluding Life Group
PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup
16000000 USD
CY2018Q3 cna Pretax Favorable Unfavorable Premium Development Excluding Life Group
PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup
-62000000 USD
cna Pretax Favorable Unfavorable Premium Development Excluding Life Group
PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup
-29000000 USD
cna Pretax Favorable Unfavorable Premium Development Excluding Life Group
PretaxFavorableUnfavorablePremiumDevelopmentExcludingLifeGroup
-160000000 USD
CY2019Q3 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Period Increase Decrease
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease
-56000000 USD
CY2018Q3 us-gaap Liability For Unpaid Claims And Claims Adjustment Expense Period Increase Decrease
LiabilityForUnpaidClaimsAndClaimsAdjustmentExpensePeriodIncreaseDecrease
-31000000 USD
CY2019Q3 us-gaap Liability For Future Policy Benefits Period Expense
LiabilityForFuturePolicyBenefitsPeriodExpense
216000000 USD
CY2019Q3 us-gaap Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
15000000 USD
CY2019Q3 us-gaap Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
-4000000 USD
CY2019Q3 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
19000000 USD
CY2018Q3 us-gaap Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
-149000000 USD
CY2018Q3 us-gaap Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
3000000 USD
CY2018Q3 us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-152000000 USD
us-gaap Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
989000000 USD
us-gaap Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
-28000000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
1017000000 USD
us-gaap Oci Before Reclassifications Net Of Tax Attributable To Parent
OciBeforeReclassificationsNetOfTaxAttributableToParent
-770000000 USD
us-gaap Reclassification From Aoci Current Period Net Of Tax Attributable To Parent
ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent
3000000 USD
us-gaap Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent
OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
-773000000 USD
CY2019Q3 us-gaap Premiums Earned Net
PremiumsEarnedNet
1890000000 USD
CY2019Q3 cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
487000000 USD
CY2019Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
292000000 USD
CY2019Q3 us-gaap Other Income
OtherIncome
9000000 USD
CY2019Q3 cna Operating Revenues
OperatingRevenues
2678000000 USD
CY2019Q3 us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
1607000000 USD
CY2019Q3 us-gaap Policyholder Dividends
PolicyholderDividends
7000000 USD
CY2019Q3 us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
345000000 USD
CY2019Q3 cna Costs From Contract With Customers
CostsFromContractWithCustomers
278000000 USD
CY2019Q3 cna Other Insurance Related Expenses
OtherInsuranceRelatedExpenses
257000000 USD
CY2019Q3 us-gaap Other Expenses
OtherExpenses
64000000 USD
CY2019Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
2558000000 USD
CY2019Q3 cna Operating Income Loss From Continuing Operations Before Income Tax
OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax
120000000 USD
CY2019Q3 cna Income Tax Expense Benefit On Operating Income Loss
IncomeTaxExpenseBenefitOnOperatingIncomeLoss
18000000 USD
CY2019Q3 cna Net Operating Income Loss From Continuing Operations Attributableto Parent
NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent
102000000 USD
CY2019Q3 us-gaap Debt Securities Realized Gain Loss
DebtSecuritiesRealizedGainLoss
7000000 USD
CY2019Q3 cna Income Tax Expense Benefit On Net Realized Investment Gains Losses
IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses
2000000 USD
CY2019Q3 cna Net Realized Investment Gains Losses
NetRealizedInvestmentGainsLosses
5000000 USD
CY2019Q3 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
107000000 USD
CY2018Q3 us-gaap Premiums Earned Net
PremiumsEarnedNet
1853000000 USD
CY2018Q3 cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
487000000 USD
CY2018Q3 us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
258000000 USD
CY2018Q3 us-gaap Other Income
OtherIncome
10000000 USD
CY2018Q3 cna Operating Revenues
OperatingRevenues
2608000000 USD
CY2018Q3 us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
1306000000 USD
CY2018Q3 us-gaap Policyholder Dividends
PolicyholderDividends
6000000 USD
CY2018Q3 us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
337000000 USD
CY2018Q3 cna Costs From Contract With Customers
CostsFromContractWithCustomers
235000000 USD
CY2018Q3 cna Other Insurance Related Expenses
OtherInsuranceRelatedExpenses
266000000 USD
CY2018Q3 us-gaap Other Expenses
OtherExpenses
70000000 USD
CY2018Q3 us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
2220000000 USD
CY2018Q3 cna Operating Income Loss From Continuing Operations Before Income Tax
OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax
388000000 USD
CY2018Q3 cna Income Tax Expense Benefit On Operating Income Loss
IncomeTaxExpenseBenefitOnOperatingIncomeLoss
71000000 USD
CY2018Q3 cna Net Operating Income Loss From Continuing Operations Attributableto Parent
NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent
317000000 USD
CY2018Q3 us-gaap Debt Securities Realized Gain Loss
DebtSecuritiesRealizedGainLoss
14000000 USD
CY2018Q3 cna Income Tax Expense Benefit On Net Realized Investment Gains Losses
IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses
1000000 USD
CY2018Q3 cna Net Realized Investment Gains Losses
NetRealizedInvestmentGainsLosses
13000000 USD
CY2018Q3 cna Deferred Income Tax Expense Benefit Remeasurementof Deferred Tax Asset
DeferredIncomeTaxExpenseBenefitRemeasurementofDeferredTaxAsset
-6000000 USD
CY2018Q3 us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
336000000 USD
us-gaap Premiums Earned Net
PremiumsEarnedNet
5517000000 USD
cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
1573000000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
858000000 USD
us-gaap Other Income
OtherIncome
22000000 USD
cna Operating Revenues
OperatingRevenues
7970000000 USD
us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
4304000000 USD
us-gaap Policyholder Dividends
PolicyholderDividends
19000000 USD
us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
1025000000 USD
cna Costs From Contract With Customers
CostsFromContractWithCustomers
801000000 USD
cna Other Insurance Related Expenses
OtherInsuranceRelatedExpenses
766000000 USD
us-gaap Other Expenses
OtherExpenses
187000000 USD
us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
7102000000 USD
cna Operating Income Loss From Continuing Operations Before Income Tax
OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax
868000000 USD
cna Income Tax Expense Benefit On Operating Income Loss
IncomeTaxExpenseBenefitOnOperatingIncomeLoss
154000000 USD
cna Net Operating Income Loss From Continuing Operations Attributableto Parent
NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent
714000000 USD
us-gaap Debt Securities Realized Gain Loss
DebtSecuritiesRealizedGainLoss
20000000 USD
cna Income Tax Expense Benefit On Net Realized Investment Gains Losses
IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses
7000000 USD
cna Net Realized Investment Gains Losses
NetRealizedInvestmentGainsLosses
13000000 USD
us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
727000000 USD
CY2019Q3 us-gaap Reinsurance Recoverables Gross
ReinsuranceRecoverablesGross
4092000000 USD
CY2019Q3 us-gaap Premiums Receivable Gross
PremiumsReceivableGross
2504000000 USD
CY2019Q3 us-gaap Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
668000000 USD
CY2019Q3 us-gaap Goodwill
Goodwill
145000000 USD
CY2019Q3 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
2772000000 USD
CY2019Q3 us-gaap Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
21596000000 USD
CY2019Q3 us-gaap Unearned Premiums
UnearnedPremiums
4608000000 USD
CY2019Q3 us-gaap Liability For Future Policy Benefits
LiabilityForFuturePolicyBenefits
12305000000 USD
CY2019Q3 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3707000000 USD
us-gaap Premiums Earned Net
PremiumsEarnedNet
5453000000 USD
cna Net Investment Income And Gains Losses On Trading Securities
NetInvestmentIncomeAndGainsLossesOnTradingSecurities
1483000000 USD
us-gaap Revenue From Contract With Customer Excluding Assessed Tax
RevenueFromContractWithCustomerExcludingAssessedTax
744000000 USD
us-gaap Other Income
OtherIncome
26000000 USD
cna Operating Revenues
OperatingRevenues
7706000000 USD
us-gaap Policyholder Benefits And Claims Incurred Net
PolicyholderBenefitsAndClaimsIncurredNet
3960000000 USD
us-gaap Policyholder Dividends
PolicyholderDividends
18000000 USD
us-gaap Deferred Policy Acquisition Cost Amortization Expense
DeferredPolicyAcquisitionCostAmortizationExpense
992000000 USD
cna Costs From Contract With Customers
CostsFromContractWithCustomers
676000000 USD
cna Other Insurance Related Expenses
OtherInsuranceRelatedExpenses
779000000 USD
us-gaap Other Expenses
OtherExpenses
228000000 USD
us-gaap Benefits Losses And Expenses
BenefitsLossesAndExpenses
6653000000 USD
cna Operating Income Loss From Continuing Operations Before Income Tax
OperatingIncomeLossFromContinuingOperationsBeforeIncomeTax
1053000000 USD
cna Income Tax Expense Benefit On Operating Income Loss
IncomeTaxExpenseBenefitOnOperatingIncomeLoss
185000000 USD
cna Net Operating Income Loss From Continuing Operations Attributableto Parent
NetOperatingIncomeLossFromContinuingOperationsAttributabletoParent
868000000 USD
us-gaap Debt Securities Realized Gain Loss
DebtSecuritiesRealizedGainLoss
25000000 USD
cna Income Tax Expense Benefit On Net Realized Investment Gains Losses
IncomeTaxExpenseBenefitOnNetRealizedInvestmentGainsLosses
2000000 USD
cna Net Realized Investment Gains Losses
NetRealizedInvestmentGainsLosses
23000000 USD
cna Deferred Income Tax Expense Benefit Remeasurementof Deferred Tax Asset
DeferredIncomeTaxExpenseBenefitRemeasurementofDeferredTaxAsset
-6000000 USD
us-gaap Income Loss From Continuing Operations
IncomeLossFromContinuingOperations
897000000 USD
CY2018Q4 us-gaap Reinsurance Recoverables Gross
ReinsuranceRecoverablesGross
4455000000 USD
CY2018Q4 us-gaap Premiums Receivable Gross
PremiumsReceivableGross
2365000000 USD
CY2018Q4 us-gaap Deferred Policy Acquisition Costs
DeferredPolicyAcquisitionCosts
633000000 USD
CY2018Q4 us-gaap Goodwill
Goodwill
146000000 USD
CY2018Q4 us-gaap Contract With Customer Asset Net
ContractWithCustomerAssetNet
2513000000 USD
CY2018Q4 us-gaap Liability For Claims And Claims Adjustment Expense
LiabilityForClaimsAndClaimsAdjustmentExpense
21984000000 USD
CY2018Q4 us-gaap Unearned Premiums
UnearnedPremiums
4183000000 USD
CY2018Q4 us-gaap Liability For Future Policy Benefits
LiabilityForFuturePolicyBenefits
10597000000 USD
CY2018Q4 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3402000000 USD
CY2019Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
7000000 USD
CY2018Q3 cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
14000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
20000000 USD
cna Investmentsand Derivatives Realized Gain Loss
InvestmentsandDerivativesRealizedGainLoss
25000000 USD
CY2019Q3 us-gaap Revenues
Revenues
2685000000 USD
CY2018Q3 us-gaap Revenues
Revenues
2622000000 USD
us-gaap Revenues
Revenues
7990000000 USD
us-gaap Revenues
Revenues
7731000000 USD
CY2019Q3 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3700000000 USD
CY2018Q4 us-gaap Contract With Customer Liability
ContractWithCustomerLiability
3400000000 USD
CY2019Q3 us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
236000000 USD
us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
747000000 USD
CY2018Q3 us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
200000000 USD
us-gaap Contract With Customer Liability Revenue Recognized
ContractWithCustomerLiabilityRevenueRecognized
635000000 USD
CY2019Q3 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
278000000 USD
CY2019Q3 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
1000000000.0 USD
CY2019Q3 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
800000000 USD
CY2019Q3 us-gaap Revenue Remaining Performance Obligation
RevenueRemainingPerformanceObligation
1600000000 USD
CY2019Q3 us-gaap Operating Lease Cost
OperatingLeaseCost
9000000 USD
us-gaap Operating Lease Cost
OperatingLeaseCost
28000000 USD
CY2019Q3 us-gaap Variable Lease Cost
VariableLeaseCost
5000000 USD
us-gaap Variable Lease Cost
VariableLeaseCost
13000000 USD
CY2019Q3 us-gaap Operating Lease Payments
OperatingLeasePayments
8000000 USD
us-gaap Operating Lease Payments
OperatingLeasePayments
25000000 USD
us-gaap Right Of Use Asset Obtained In Exchange For Operating Lease Liability
RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
11000000 USD
CY2019Q3 us-gaap Operating Lease Right Of Use Asset
OperatingLeaseRightOfUseAsset
223000000 USD
CY2019Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
304000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Remainder Of Fiscal Year
LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear
6000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Two
LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
39000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Three
LesseeOperatingLeaseLiabilityPaymentsDueYearThree
42000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Four
LesseeOperatingLeaseLiabilityPaymentsDueYearFour
39000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due Year Five
LesseeOperatingLeaseLiabilityPaymentsDueYearFive
34000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due After Year Five
LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
213000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Payments Due
LesseeOperatingLeaseLiabilityPaymentsDue
373000000 USD
CY2019Q3 us-gaap Lessee Operating Lease Liability Undiscounted Excess Amount
LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
69000000 USD
CY2019Q3 us-gaap Operating Lease Liability
OperatingLeaseLiability
304000000 USD
CY2019Q3 us-gaap Operating Lease Weighted Average Remaining Lease Term1
OperatingLeaseWeightedAverageRemainingLeaseTerm1
P10Y10M24D
CY2019Q3 us-gaap Operating Lease Weighted Average Discount Rate Percent
OperatingLeaseWeightedAverageDiscountRatePercent
0.034
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due Current
OperatingLeasesFutureMinimumPaymentsDueCurrent
35000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due In Two Years
OperatingLeasesFutureMinimumPaymentsDueInTwoYears
39000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due In Three Years
OperatingLeasesFutureMinimumPaymentsDueInThreeYears
41000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due In Four Years
OperatingLeasesFutureMinimumPaymentsDueInFourYears
38000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due In Five Years
OperatingLeasesFutureMinimumPaymentsDueInFiveYears
32000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due Thereafter
OperatingLeasesFutureMinimumPaymentsDueThereafter
200000000 USD
CY2018Q4 us-gaap Operating Leases Future Minimum Payments Due
OperatingLeasesFutureMinimumPaymentsDue
385000000 USD

Files In Submission

Name View Source Status
0000021175-19-000109-index-headers.html Edgar Link pending
0000021175-19-000109-index.html Edgar Link pending
0000021175-19-000109.txt Edgar Link pending
0000021175-19-000109-xbrl.zip Edgar Link pending
cna-20190930.xsd Edgar Link pending
cna-20190930_cal.xml Edgar Link unprocessable
cna-20190930_def.xml Edgar Link unprocessable
cna-20190930_lab.xml Edgar Link unprocessable
cna-20190930_pre.xml Edgar Link unprocessable
cna2019q3.htm Edgar Link pending
cna2019q3_htm.xml Edgar Link completed
FilingSummary.xml Edgar Link unprocessable
Financial_Report.xlsx Edgar Link pending
MetaLinks.json Edgar Link pending
q32019cnaex311.htm Edgar Link pending
q32019cnaex312.htm Edgar Link pending
q32019cnaex321.htm Edgar Link pending
q32019cnaex322.htm Edgar Link pending
R1.htm Edgar Link pending
R10.htm Edgar Link pending
R11.htm Edgar Link pending
R12.htm Edgar Link pending
R13.htm Edgar Link pending
R14.htm Edgar Link pending
R15.htm Edgar Link pending
R16.htm Edgar Link pending
R17.htm Edgar Link pending
R18.htm Edgar Link pending
R19.htm Edgar Link pending
R2.htm Edgar Link pending
R20.htm Edgar Link pending
R21.htm Edgar Link pending
R22.htm Edgar Link pending
R23.htm Edgar Link pending
R24.htm Edgar Link pending
R25.htm Edgar Link pending
R26.htm Edgar Link pending
R27.htm Edgar Link pending
R28.htm Edgar Link pending
R29.htm Edgar Link pending
R3.htm Edgar Link pending
R30.htm Edgar Link pending
R31.htm Edgar Link pending
R32.htm Edgar Link pending
R33.htm Edgar Link pending
R34.htm Edgar Link pending
R35.htm Edgar Link pending
R36.htm Edgar Link pending
R37.htm Edgar Link pending
R38.htm Edgar Link pending
R39.htm Edgar Link pending
R4.htm Edgar Link pending
R40.htm Edgar Link pending
R41.htm Edgar Link pending
R42.htm Edgar Link pending
R43.htm Edgar Link pending
R44.htm Edgar Link pending
R45.htm Edgar Link pending
R46.htm Edgar Link pending
R47.htm Edgar Link pending
R48.htm Edgar Link pending
R49.htm Edgar Link pending
R5.htm Edgar Link pending
R50.htm Edgar Link pending
R51.htm Edgar Link pending
R52.htm Edgar Link pending
R53.htm Edgar Link pending
R54.htm Edgar Link pending
R55.htm Edgar Link pending
R56.htm Edgar Link pending
R57.htm Edgar Link pending
R58.htm Edgar Link pending
R59.htm Edgar Link pending
R6.htm Edgar Link pending
R60.htm Edgar Link pending
R61.htm Edgar Link pending
R62.htm Edgar Link pending
R63.htm Edgar Link pending
R64.htm Edgar Link pending
R65.htm Edgar Link pending
R66.htm Edgar Link pending
R67.htm Edgar Link pending
R7.htm Edgar Link pending
R8.htm Edgar Link pending
R9.htm Edgar Link pending
report.css Edgar Link pending
Show.js Edgar Link pending