Schedule IV - Schedule of Reinsurance (Details) - USD ($) $ in Millions	6 Months Ended	12 Months Ended
Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2022	Dec. 31, 2020
Life insurance in-force
Gross Amount	$ 232,607	$ 236,517	$ 222,398	$ 239,801
Ceded to Other Companies	166,822	170,776	158,750	174,372
Assumed From Other Companies	158	166	155	173
Net Amount	$ 65,943	$ 65,907	$ 63,803	$ 65,602
Percentage of Amount Assumed to Net	0.00%	0.00%	0.00%	0.00%
Premiums Earned
Percentage of Amount Assumed to Net	16.00%	14.00%	34.00%	16.00%
Life insurance and annuities
Premiums Earned
Gross Amount	$ 1,170	$ 1,202	$ 2,228	$ 2,201
Ceded to Other Companies	798	804	1,823	1,550
Assumed From Other Companies	69	64	210	125
Net Amount	$ 441	$ 462	$ 615	$ 776
Percentage of Amount Assumed to Net	16.00%	14.00%	34.00%	16.00%
Accident health insurance
Premiums Earned
Gross Amount	$ 3	$ 8	$ 12	$ 20
Ceded to Other Companies	3	8	12	20
Assumed From Other Companies	0	0	0	0
Net Amount	$ 0	$ 0	$ 0	$ 0
Percentage of Amount Assumed to Net	0.00%	0.00%	0.00%	0.00%
Other reinsurers
Premiums Earned
Gross Amount	$ 1,173	$ 1,210	$ 2,240	$ 2,221
Ceded to Other Companies	801	812	1,835	1,570
Assumed From Other Companies	69	64	210	125
Net Amount	$ 441	$ 462	$ 615	$ 776

Amount of life insurance issued and outstanding assumed from other entity, as disclosed in supplementary reinsurance information. Includes, but is not limited to, dividend and adjustment to face value.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Regulation S-X (SX)
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