INSURANCE LIABILITIES AND ANNUITY BENEFITS - Narrative (Details) - USD ($) $ in Millions	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Insurance [Abstract]
Increase in insurance liabilities and annuity benefits	$ 1,626
Adjustment to insurance liabilities and annuity benefits	1,749
Claims incurred	1,390	$ 1,410
Paid claims	1,328	$ 1,237
Reinsurance recoverables, allowances	1,485		$ 1,355
Reinsurance recoverables, net	$ 2,486		$ 2,416
Margin percentage (less than)	2.00%
Increase due to favorable emerging morbidity experience	$ 412
Increase of anticipated future premium increases or benefit reductions	$ 199
Discount rate assumption, weighted average rate	5.70%	5.74%
Decrease due to decline in overall discount rate		$ 218

Increase (Decrease) in Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment

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- Definition

Liability for Future Policy Benefits, Margin Percentage

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Liability For Future Policy Benefits, Period Increase (Decrease) Due To Decline In Discount Rate Assumption

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- Definition

Liability For Future Policy Benefits, Period Increase (Decrease) Due To Favorable Emerging Morbidity Experience

+ References

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- Definition

Liability For Future Policy Benefits, Period Increase (Decrease) Due To Higher Projected Future Premium Rate Increase Approvals

+ References

No definition available.

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- Definition

Liability for Future Policy Benefits and Unpaid Claims and Claims Adjustment

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- Definition

Current weighted-average discount rate used to measure liability for future policy benefit.

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- Definition

Amount, after effects of reinsurance, of expense (reversal of expense) for claims incurred and costs incurred in the claim settlement process.

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- Definition

Amount, after effects of reinsurance, of payments to settle insured claims and pay costs incurred in the claims settlement process.

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Amount, after valuation allowance, recoverable under reinsurance contracts including premium paid under reinsurance contracts. Examples include, but are not limited to, settled and unsettled claims, incurred but not reported losses, loss adjustment expense, premium paid, policy benefits and policy reserves.

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Amount of allowance for credit loss on reinsurance recoverable.

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