FAIR VALUE DISCLOSURES - Carrying Values And Fair Values Of Financial Instruments (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Consolidated Amounts [Abstract]
Mortgage loans on real estate	$ 14,016	$ 13,142
Policy loans	3,540	3,635
Policyholders’ liabilities: Investment contracts	75,467	63,109
Separate Accounts liabilities	143,912	133,350
Carrying Value
Consolidated Amounts [Abstract]
Mortgage loans on real estate	14,016	13,142
Policy loans	3,540	3,635
Loans to affiliates	1,900	900
Policyholders’ liabilities: Investment contracts	1,916	2,069
FHLB funding agreements	6,647	6,897
FABN funding agreements	6,689	1,939
Separate Accounts liabilities	11,620	10,081
Fair Value
Consolidated Amounts [Abstract]
Mortgage loans on real estate	14,291	13,474
Policy loans	4,512	4,794
Loans to affiliates	1,974	938
Policyholders’ liabilities: Investment contracts	1,980	2,275
FHLB funding agreements	6,679	6,990
FABN funding agreements	6,626	1,971
Separate Accounts liabilities	11,620	10,081
Fair Value \| Level 1
Consolidated Amounts [Abstract]
Mortgage loans on real estate	0	0
Policy loans	0	0
Loans to affiliates	0	0
Policyholders’ liabilities: Investment contracts	0	0
FHLB funding agreements	0	0
FABN funding agreements	0	0
Separate Accounts liabilities	0	0
Fair Value \| Level 2
Consolidated Amounts [Abstract]
Mortgage loans on real estate	0	0
Policy loans	0	0
Loans to affiliates	1,974	938
Policyholders’ liabilities: Investment contracts	0	0
FHLB funding agreements	6,679	6,990
FABN funding agreements	6,626	1,971
Separate Accounts liabilities	0	0
Fair Value \| Level 3
Consolidated Amounts [Abstract]
Mortgage loans on real estate	14,291	13,474
Policy loans	4,512	4,794
Loans to affiliates	0	0
Policyholders’ liabilities: Investment contracts	1,980	2,275
FHLB funding agreements	0	0
FABN funding agreements	0	0
Separate Accounts liabilities	$ 11,620	$ 10,081

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Funds Backed By Reinsurance Agreements, Asset

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For an unclassified balance sheet, amount of receivables due from an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Amount excluding accrued interest, after allowance for credit loss, of financing receivable.

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Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder.

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Amount before allowance of loans made to policy and contract holders using their life insurance contracts' cash value or separate accounts as collateral. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums over and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Amount of liability due to policyholder for deposit held under long-duration contract issued by insurance entity.

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Amount of liability for variable contract in which all or portion of contract holder's funds is allocated to specific separate account and supported by assets held in separate account.

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