| **Summary of Significant Accounting Policies (Narrative) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions**                                              | 12 Months Ended |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-----------------|
||
| Anticipated amounts due from insureds related to losses under deductible policies                                                                                                   | $ 1,200         | $ 1,200 |   |
| Structured settlement annuities, interest rate, low end                                                                                                                             | 5.50%           | 5.50% |   |
| Structured settlement annuities, interest rate, high end                                                                                                                            | 8.00%           | 8.00% |   |
| Discounted reserves for unfunded structured settlements                                                                                                                             | $ 527           | $ 544 |   |
| Discounted reserves for unfunded structure settlements, discount amount                                                                                                             | 798             | 841 |   |
| Amount of interest recognized on the discounted reserves of unfunded structured settlements                                                                                         | $ 41            | $ 42 | $ 42 |
| Interest rates at which workers' compensation lifetime claim reserves are discounted at                                                                                             | 3.50%           | 3.50% |   |
| Workers' compensation liability                                                                                                                                                     | $ 346           | $ 371 |   |
| Discounted reserves for workers’ compensation lifetime claim reserves, discount amount                                                                                        | 190             | 202 |   |
| Amount of interest accretion recognized on the discounted reserves of workers’ compensation lifetime claim reserves                                                           | $ 19            | $ 17 | 20 |
| Long term care claim reserves discounted interest rate                                                                                                                              | 6.00%           |   |   |
| Minimum interest rate used to discount long term care claim reserves                                                                                                                |            | 4.50% |   |
| Maximum interest rate used to discount long term care claim reserves                                                                                                                |            | 6.80% |   |
| Discounted reserves for long term care claim reserves                                                                                                                               | $ 2,400         | $ 2,200 |   |
| Discounted reserves for long term care claim reserves, discount amount                                                                                                              | $ 446           | 529 |   |
| Long term care premium deficiency                                                                                                                                                   |            |   | 296 |
| Write off of deferred acquisition cost asset due to long term care premium deficiency                                                                                               |            |   | 289 |
| Loss on life settlement contracts, held for sale                                                                                                                                    |            | 10 |   |
| Life settlement contracts, fair value                                                                                                                                               |            | 58 |   |
| Adjustment to Active life reserves due to premium deficiency                                                                                                                        |            | $ 7 |   |
| Minimum interest rate used to calculate reserves for long term care products                                                                                                        | 6.60%           | 6.60% |   |
| Maximum interest rate used to calculate reserves for long term care products                                                                                                        | 7.00%           | 7.00% |   |
| Liability balance for guaranty fund                                                                                                                                                 | $ 121           | $ 125 |   |
| Percentage of billed receivables compared to total reinsurance receivable                                                                                                           | 3.00%           |   |   |
| Deposit assets                                                                                                                                                                      | $ 8             | 3 |   |
| Deposit liabilities                                                                                                                                                                 | 4               | 6 |   |
| Increase in fair value recognized on life settlement contracts                                                                                                                      |            | 7 | 1 |
| Gain recognized on matured life settlement contracts                                                                                                                                | 3               | 8 | 24 |
| Decreased net investment income and amortized cost of fixed maturity securities due to a change in estimate effected by a change in accounting principle                            |            |   | 39 |
| Decreased net investment income and amortized cost of fixed maturity securities due to a change in estimate effected by a change in accounting principle relating to 2014 and prior |            |   | $ 22 |
| Decrease of basic and diluted earnings per Share due to change in estimate effected by a change in accounting principle                                                             |            |   | $ 0.09 |
| Decrease in shadow adjustment, net of tax                                                                                                                                           | 397             | 97 |   |
| Reduction of net unrealized gains on investments included in AOCI due to shadow adjustments                                                                                         | 1,411           | 1,014 |   |
| Foreign currency transaction gain (loss), before tax                                                                                                                                | $ 27            | $ (9) | $ (11) |
| Weighted average number diluted shares outstanding adjustment                                                                                                                       | 988             | 678 | 534 |
| Antidilutive securities excluded from computation of earnings per share, amount                                                                                                     | 1               | 102 | 106 |
| Interest paid, net                                                                                                                                                                  | $ 155           | $ 157 | $ 152 |
| Income taxes paid                                                                                                                                                                   | $ 152           | $ 170 | $ 310 |
| Furniture and Fixtures                                                                                                                                                              |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 7 years         |   |   |
| Office Equipment                                                                                                                                                                    |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 5 years         |   |   |
| Computer Software, Intangible Asset                                                                                                                                                 |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 10 years        |   |   |
| Building and Building Improvements                                                                                                                                                  |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 50 years        |   |   |
| Minimum                                                                                                                                                                             |            |   |   |
| Requisite service period for stock- based compensation expense                                                                                                                      | 3 years         |   |   |
| Minimum | Computer Software, Intangible Asset                                                                                                                                       |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 3 years         |   |   |
| Maximum                                                                                                                                                                             |            |   |   |
| Requisite service period for stock- based compensation expense                                                                                                                      | 4 years         |   |   |
| Maximum | Computer Software, Intangible Asset                                                                                                                                       |            |   |   |
| Property, plant and equipment, useful life                                                                                                                                          | 5 years         |   |   |
| CNAF Consolidated | Loews                                                                                                                                                           |            |   |   |
| Noncontrolling interest, ownership percentage by parent                                                                                                                             | 89.00%          |   |   |
| ASU 2016-09                                                                                                                                                                         |            |   |   |
| Increase (decrease) in income tax expense                                                                                                                                           | $ 6             |   |   |
| ASU 2014-09                                                                                                                                                                         |            |   |   |
| Increase in other assets and other liabilities                                                                                                                                      | 1,700           |   |   |
| Increase in other revenues and other operating expenses                                                                                                                             | 500             |   |   |
| ASU 2014-09 | Retained Earnings                                                                                                                                                     |            |   |   |
| Cumulative effect of new accounting principle in period of adoption                                                                                                                 | 65              |   |   |
| ASU 2016-01 | Retained Earnings                                                                                                                                                     |            |   |   |
| Cumulative effect of new accounting principle in period of adoption                                                                                                                 | 28              |   |   |
| ASU 2016-01 | Accumulated Other Comprehensive Income (Loss)                                                                                                                         |            |   |   |
| Cumulative effect of new accounting principle in period of adoption                                                                                                                 | 28              |   |   |
| Other assets                                                                                                                                                                        |            |   |   |
| Note receivable                                                                                                                                                                     | $ 46            |   |   |

| X                                                                                                                                                                                                                                                                                                     |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Adjustment to Active life reserves due to premium deficiency
+ References
No definition available.
+ Details**Name:**cna_AdjustmenttoActivelifereservesduetopremiumdeficiency**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                  |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of interest accretion recognized on the discounted reserves of workers’ compensation lifetime claim reserves
+ References
No definition available.
+ Details**Name:**cna_Amountofinterestaccretionrecognizedonthediscountedreservesofworkerscompensationlifetimeclaimreserves**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of interest recognized on the discounted reserves of unfunded structured settlements
+ References
No definition available.
+ Details**Name:**cna_Amountofinterestrecognizedonthediscountedreservesofunfundedstructuredsettlements**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Losses under deductible policies
+ References
No definition available.
+ Details**Name:**cna_AnticipatedAmountsDueFromInsuredsRelatedToLossesUnderDeductiblePolicies**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                              |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Decreased Net Investment Income and amortized cost of fixed maturity securities due to a change in estimate effected by a change in accounting principle
+ References
No definition available.
+ Details**Name:**cna_DecreasedNetInvestmentIncomeandamortizedcostoffixedmaturitysecuritiesduetoachangeinestimateeffectedbyachangeinaccountingprinciple**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Decreased Net Investment Income and amortized cost of fixed maturity securities due to a change in estimate effected by a change in accounting principle relating to 2014 and prior
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                 |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Decrease in shadow adjustment, net of tax
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                                                                           |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Decrease of Basic and Diluted Earnings per Share due to change in estimate effected by a change in accounting principle
+ References
No definition available.
+ Details**Name:**cna_DecreaseofBasicandDilutedEarningsperShareduetochangeinestimateeffectedbyachangeinaccountingprinciple**Namespace Prefix:**cna_**Data Type:**num:perShareItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                          |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Discounted reserves for unfunded structure settlements, discount amount
+ References
No definition available.
+ Details**Name:**cna_DiscountedReservesForUnfundedStructureSettlementsDiscountAmount**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                              |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Discounted reserves for unfunded structured settlements
+ References
No definition available.
+ Details**Name:**cna_DiscountedReservesForUnfundedStructuredSettlements**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Discounted reserves for long term care claim reserves
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                      |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Discounted reserves for long term care claim reserves, discount amount
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                           |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Increase in Other Assets and Other Liabilities
+ References
No definition available.
+ Details**Name:**cna_IncreaseinOtherAssetsandOtherLiabilities**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                             |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Increase in Other Revenues and Other Operating Expenses
+ References
No definition available.
+ Details**Name:**cna_IncreaseinOtherRevenuesandOtherOperatingExpenses**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Liability for long-term care products, interest rate, year of issue, maximum
+ References
No definition available.
+ Details**Name:**cna_LiabilityForLongTermCareProductsInterestRateYearOfIssueMaximum**Namespace Prefix:**cna_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                        |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Liability for long-term care products, interest rate, year of issue minimum
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                    |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Long term Care Claim Reserves Discounted Interest Rate
+ References
No definition available.
+ Details**Name:**cna_LongtermCareClaimReservesDiscountedInterestRate**Namespace Prefix:**cna_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                   |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum interest rate used to discount on long term care claim reserves.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Minimum interest rate used to discount long term care claim reserves.
+ References
No definition available.
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| X                                                                                                                                                                                                                                                  |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Long term care premium deficiency
+ References
No definition available.
+ Details**Name:**cna_Longtermcarepremiumdeficiency**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Loss on life settlement contracts, held for sale
+ References
No definition available.
+ Details**Name:**cna_Lossonlifesettlementcontractsheldforsale**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                         |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Percentage Of Billed Receivables Compared To Total Reinsurance Receivable
+ References
No definition available.
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| X                                                                                                                                                                                                                                                                                                                                                             |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Reduction of net unrealized gains on investments included in AOCI due to shadow adjustments
+ References
No definition available.
+ Details**Name:**cna_ReductionOfNetUnrealizedGainsOnInvestmentsIncludedInAociDueToShadowAdjustments**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Maximum interest rate in the range of interest rates used to calculate future benefits to be paid to or on behalf of policyholders and related expenses less the present value of future net premiums using assumptions such as estimates of expected investment yields, mortality, morbidity, terminations and expenses, applicable at the time the insurance contracts are made and cost of settling insured claims and cost incurred in the claim settlement process of structured settlement annuities.
+ References
No definition available.
+ Details**Name:**cna_StructuredSettlementAnnuitiesInterestRatesHighEnd**Namespace Prefix:**cna_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                       |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Structured Settlement Annuities, Interest Rates, Low End
+ References
No definition available.
+ Details**Name:**cna_StructuredSettlementAnnuitiesInterestRatesLowEnd**Namespace Prefix:**cna_**Data Type:**num:percentItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                 |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Write off of deferred acquisition cost asset due to long term care premium deficiency
+ References
No definition available.
+ Details**Name:**cna_Writeoffofdeferredacquisitioncostassetduetolongtermcarepremiumdeficiency**Namespace Prefix:**cna_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount as of the balance sheet date, net of allowance for doubtful accounts, of account and note receivables due from other than related parties.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.
+ References
No definition available.
+ Details**Name:**us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**instant |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of assets as of the balance sheet date pertaining to amounts paid by the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Carrying amount of liabilities as of the balance sheet date pertaining to amounts received by the insurer or reinsurer from the insured (including a ceding company) under insurance or reinsurance contracts for which insurance risk is not transferred.
+ References
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|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30700-110894Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=64836518&loc=d3e30690-110894
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4297-108586Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes, and in deferred and other tax liabilities and assets.
+ References
No definition available.
+ Details**Name:**us-gaap_IncreaseDecreaseInIncomeTaxes**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of cash paid, after deduction of cash paid for capitalized interest, for interest. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
+ References
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Fair value amount of life settlement contracts accounted for under the fair value method.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42732-111610
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This item represents the gains or losses recognized and realized during the period on investments in life settlement contracts sold during the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42754-111610
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of investments in life settlement contracts held at each balance sheet date, that was included in earnings for the period.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 325 -SubTopic 30 -Section 50 -Paragraph 10 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=73718008&loc=d3e42754-111610
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| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The liability as of the balance sheet date representing required funding mandated by statute or regulatory authority that is related directly or indirectly to underwriting activities, including pools for self-insurance and excluding premium taxes and income taxes. The funds derived from the assessments generally enable a government guarantor to pay insurance claims in the event that the underwriting insurer is insolvent or otherwise unable to meet its payment obligations.
+ References
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| - Definition
The parent entity's interest in net assets of the subsidiary, expressed as a percentage.
+ References
No definition available.
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| - Definition
Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.
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No definition available.
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| - Definition
Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.
+ References
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| - Definition
The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.
+ References
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| - Definition
Current year monetary amount of the change in worker's compensation reserve liability resulting from the discount applied to reduce the reserve to present value.
+ References
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| - Definition
Percent discount applied to worker's compensation reserve liability to reduce the reserve to present value.
+ References
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| - Definition
Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature.
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