SCHEDULE IV - REINSURANCE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Life insurance in-force
Gross Amount	$ 108,947	$ 100,944	$ 93,301
Ceded to Other Companies	16,237	17,100	18,697
Assumed from Other Companies	36,074	0	0
Net Amount	$ 128,784	$ 83,844	$ 74,604
Percentage of Amount Assumed to Net	28.00%	0.00%	0.00%
Premiums:
Gross Amount	$ 353	$ 272	$ 201
Ceded to Other Companies	59	49	44
Assumed from Other Companies	174	0	0
Premiums	$ 468	$ 223	$ 157
Percentage of Amount Assumed to Net	37.20%	0.00%	0.00%
Life insurance and annuities
Premiums:
Gross Amount	$ 132	$ 104	$ 85
Ceded to Other Companies	28	22	24
Assumed from Other Companies	174	0	0
Premiums	$ 277	$ 82	$ 61
Percentage of Amount Assumed to Net	62.80%	0.00%	0.00%
Accident and health
Premiums:
Gross Amount	$ 221	$ 168	$ 116
Ceded to Other Companies	31	27	20
Assumed from Other Companies	0	0	0
Premiums	$ 191	$ 141	$ 96
Percentage of Amount Assumed to Net	0.00%	0.00%	0.00%