SCHEDULE IV - REINSURANCE (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Life insurance in-force
Gross Amount	$ 388,520	$ 389,576	$ 392,420
Ceded to Other Companies	164,781	72,110	66,770
Assumed from Other Companies	31,971	32,289	31,699
Net Amount	$ 255,710	$ 349,755	$ 357,349
Percentage of Amount Assumed to Net	12.50%	9.20%	8.90%
Premiums:
Gross Amount	$ 762	$ 764	$ 868
Ceded to Other Companies	193	153	126
Assumed from Other Companies	181	195	194
Premiums	$ 750	$ 806	$ 936
Percentage of Amount Assumed to Net	24.10%	24.10%	20.70%
Life insurance and annuities
Premiums:
Gross Amount	$ 709	$ 712	$ 825
Ceded to Other Companies	170	127	99
Assumed from Other Companies	173	186	185
Premiums	$ 712	$ 771	$ 911
Percentage of Amount Assumed to Net	24.30%	24.10%	20.30%
Accident and health
Premiums:
Gross Amount	$ 53	$ 52	$ 43
Ceded to Other Companies	23	26	27
Assumed from Other Companies	8	9	9
Premiums	$ 38	$ 35	$ 25
Percentage of Amount Assumed to Net	21.10%	24.80%	36.00%