Consolidated Supplementary Insurance Information (Balance Sheet Items) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	$ 4,487	$ 4,642
Supplementary Insurance Information Future Policy Benefits Other Policy Related Balances And Policyholder Dividend Obligation	35,768	35,006
Policyholder account balances	80,193	72,602	$ 64,290
Unearned Premiums	16	15
Unearned Revenue	844	704
Annuities
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	4,027	4,140
Supplementary Insurance Information Future Policy Benefits Other Policy Related Balances And Policyholder Dividend Obligation	3,995	3,742
Policyholder account balances	60,723	53,156
Unearned Premiums	0	0
Unearned Revenue	65	73
Life
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	456	498
Supplementary Insurance Information Future Policy Benefits Other Policy Related Balances And Policyholder Dividend Obligation	5,942	5,714
Policyholder account balances	2,187	2,349
Unearned Premiums	11	10
Unearned Revenue	167	143
Run-off
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	4	4
Supplementary Insurance Information Future Policy Benefits Other Policy Related Balances And Policyholder Dividend Obligation	19,420	18,688
Policyholder account balances	6,694	6,933
Unearned Premiums	0	0
Unearned Revenue	612	488
Corporate & Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	0	0
Supplementary Insurance Information Future Policy Benefits Other Policy Related Balances And Policyholder Dividend Obligation	6,411	6,862
Policyholder account balances	10,589	10,164
Unearned Premiums	5	5
Unearned Revenue	$ 0	$ 0