INSURANCE CONTRACTS - Components of Loss Reserves (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Insurance Contracts [Abstract]
Case reserves	$ 69
Incurred but not reported reserves	30
Discounting	(1)
Provisions for adverse deviation	7
Total loss reserves	$ 105	$ 0

Insurance Contracts [Abstract]

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- Definition

Liabilities For Incurred Claims, Insurance Contracts

+ References

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- Definition

Liability for Claims and Claims Adjustment Expense, Discount

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- Definition

Provision Arising For Adverse Deviation

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- Definition

The amount of liability for insured events that have occurred but for which claims have yet not been reported by policyholders.

+ References

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- Definition

The amount of liability for claims reported by policyholders as the result of the occurrence of insured events. [Refer: Types of insurance contracts [member]]

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