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Claim and Claim Adjustment Expense Reserves - Schedule of Impact of Loss Portfolio Transfer on the Consolidated Statement of Operations (Detail) - CNA Financial [Member] - USD ($) $ in Millions | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Additional amounts ceded under LPT: |  |
Net A&EP adverse development before consideration of LPT |  | $ 113
Provision for uncollectible third-party reinsurance on A&EP |  | (16)
Total additional amounts ceded under LPT | $ 0 | 97
Retroactive reinsurance benefit recognized | (22) | (57)
Pretax impact of deferred retroactive reinsurance | $ (22) | $ 40

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- Definition Additional amounts ceded under loss portfolio transfer. + References No definition available. + Details
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- Definition Additional amounts ceded under loss portfolio transfer. + References No definition available. + Details
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- Definition Benefit Recognized Under Retroactive Reinsurance Accounting + References No definition available. + Details
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- Definition Net Asbestos And Environmental Pollution Adverse Development Before Consideration Of Loss Portfolio Transfer + References No definition available. + Details
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- Definition Pretax impact of unrecognized deferred retroactive insurance benefit. + References No definition available. + Details
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- Definition Provision for uncollectible third-party reinsurance on asbestos and environment pollution. + References No definition available. + Details
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- Details
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