Text Block Comparison: Schedule of Assumptions for Long-Duration Contracts by Product and Guarantee [Table Text Block] (us-gaap:ScheduleOfAssumptionsForLongDurationContractsByProductAndGuaranteeTextBlock)

Documentation: Tabular disclosure of the underlying assumptions and percentages or rates used in determining the fair value of guarantee obligations for each type of long-duration contract.

(For last 10-K submitted to SEC as of March 31, 2018)

Entity Disclosure