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Claim and Claim Adjustment Expense Reserves, Asbestos and Environmental Pollution Reserves (Details) - USD ($) $ in Millions | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Asbestos and Environmental Pollution ("A&EP") Reserves [Abstract] |  |  |
Fair value of the collateral trust account | $ 2,700 |  | $ 3,700
Asbestos and Environmental Pollution Reserves [Member] |  |  |
Asbestos and Environmental Pollution ("A&EP") Reserves [Abstract] |  |  |
Net A&EP claim and allocated claim adjustment expense reserves | 1,600 |  |
Aggregate limit under A&EP Loss Portfolio Transfer | 4,000 |  |
A&EP claim and allocated claim adjustment expense reserves ceded under existing third party reinsurance contracts transferred to NICO under A&EP Loss Portfolio Transfer | 1,200 |  |
Reinsurance premium paid to NICO under A&EP Loss Portfolio Transfer | 2,000 |  |
Net reinsurance receivables transferred to NICO under A&EP Loss Portfolio Transfer | 215 |  |
Total consideration | 2,200 |  |
Retroactive reinsurance benefit recognized | 14 | $ 22 |
Cumulative amounts ceded under the Loss Portfolio Transfer | (3,200) |  | (3,200)
Remaining unrecognized retroactive reinsurance benefit | $ 378 |  | $ 392

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- References No definition available. + Details
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- Definition Amount of claim and allocated claim adjustment expense reserves under existing third party reinsurance contracts. + References No definition available. + Details
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- Definition Total consideration amount ceded under loss portfolio transfer. + References No definition available. + Details
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- Definition Amount of cumulative amounts ceded under loss portfolio transfer. + References No definition available. + Details
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- Definition Amount of A&EP claim and allocated claim adjustment expense reserves to NICO under a retroactive reinsurance agreement with an aggregate limit. + References No definition available. + Details
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- Definition Amount of reinsurance premium paid to NICO under A&EP Loss Portfolio Transfer. + References No definition available. + Details
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- Definition Amount of reinsurance receivables net book value. + References No definition available. + Details
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- Definition Amount of benefit recognized under retroactive reinsurance accounting. + References No definition available. + Details
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- Definition Carrying amount as of the balance sheet date of reserves for the costs of settling insured claims and costs incurred in the claims settlement process attributable to asbestos and environmental claims, net of estimated reinsurance recoveries. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 50 -Paragraph 3 -Subparagraph (cc) -URI http://asc.fasb.org/extlink&oid=116884095&loc=d3e14764-158437 + Details
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