FAIR VALUE DISCLOSURES - Carrying Values And Fair Values Of Financial Instruments (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Consolidated Amounts [Abstract]
Mortgage loans on real estate	$ 17,946	$ 17,877
Policy loans	3,742	3,667
Policyholders’ liabilities: Investment contracts	84,614	82,990
Funds withheld payable	9,747	10,603
Modco payable	34,300
Separate Accounts liabilities	125,406	121,497
Carrying Value
Consolidated Amounts [Abstract]
Mortgage loans on real estate	17,946	17,877
Policy loans	3,742	3,667
Policyholders’ liabilities: Investment contracts	1,980	1,554
Funds withheld payable	9,834	10,503
Modco payable	31,042	29,912
FHLB funding agreements	7,167	7,618
FABN funding agreements	6,251	6,267
Funding agreement-backed commercial paper (FABCP)	242	939
Separate Accounts liabilities	10,777	10,343
Carrying Value \| Affiliated Entity
Consolidated Amounts [Abstract]
Loans to affiliates	1,900	1,900
Fair Value
Consolidated Amounts [Abstract]
Mortgage loans on real estate	16,259	16,174
Policy loans	3,964	3,961
Policyholders’ liabilities: Investment contracts	1,930	1,526
Funds withheld payable	9,834	10,503
Modco payable	31,042	29,912
FHLB funding agreements	7,090	7,567
FABN funding agreements	5,870	5,840
Funding agreement-backed commercial paper (FABCP)	250	948
Separate Accounts liabilities	10,777	10,343
Fair Value \| Affiliated Entity
Consolidated Amounts [Abstract]
Loans to affiliates	1,786	1,790
Fair Value \| Level 1
Consolidated Amounts [Abstract]
Mortgage loans on real estate	0	0
Policy loans	0	0
Policyholders’ liabilities: Investment contracts	0	0
Funds withheld payable	0	0
Modco payable	0	0
FHLB funding agreements	0	0
FABN funding agreements	0	0
Funding agreement-backed commercial paper (FABCP)	0	0
Separate Accounts liabilities	0	0
Fair Value \| Level 1 \| Affiliated Entity
Consolidated Amounts [Abstract]
Loans to affiliates	0	0
Fair Value \| Level 2
Consolidated Amounts [Abstract]
Mortgage loans on real estate	0	0
Policy loans	0	0
Policyholders’ liabilities: Investment contracts	0	0
Funds withheld payable	0	0
Modco payable	0	0
FHLB funding agreements	7,090	7,567
FABN funding agreements	5,870	5,840
Funding agreement-backed commercial paper (FABCP)	250	948
Separate Accounts liabilities	0	0
Fair Value \| Level 2 \| Affiliated Entity
Consolidated Amounts [Abstract]
Loans to affiliates	1,786	1,790
Fair Value \| Level 3
Consolidated Amounts [Abstract]
Mortgage loans on real estate	16,259	16,174
Policy loans	3,964	3,961
Policyholders’ liabilities: Investment contracts	1,930	1,526
Funds withheld payable	9,834	10,503
Modco payable	31,042	29,912
FHLB funding agreements	0	0
FABN funding agreements	0	0
Funding agreement-backed commercial paper (FABCP)	0	0
Separate Accounts liabilities	10,777	10,343
Fair Value \| Level 3 \| Affiliated Entity
Consolidated Amounts [Abstract]
Loans to affiliates	$ 0	$ 0

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount of Federal Home Loan Bank (FHLBank) advances to member financial institutions.

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Amortized cost excluding accrued interest, after allowance for credit loss, of financing receivable. Excludes net investment in lease.

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