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Insurance Contract Liabilities and Reinsurance Assets - Summary of Potential Impact on Net Income Attributed to Shareholders Arising From Changes to Non-economic Assumptions (Parenthetical) (Detail) | 12 Months Ended
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Dec. 31, 2018
Disclosure of sensitivity analysis for actuarial assumptions [abstract] |
Deterioration in incidence rate | 5.00%
Deterioration in claim termination rates | 5.00%

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- Definition Deterioration in claim termination rates. + References No definition available. + Details
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- Definition Deterioration in incidence rate. + References No definition available. + Details
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