Consolidated Supplementary Insurance Information (Balance Sheet Items) (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	$ 4,374	$ 4,487
Future Policy Benefits and Other Policy-Related Balances	34,762	35,768
Policyholder account balances	87,162	80,193
Unearned Premiums	14	16
Unearned Revenue	964	844
Annuities
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	3,951	4,027
Future Policy Benefits and Other Policy-Related Balances	4,013	3,995
Policyholder account balances	67,602	60,723
Unearned Premiums	0	0
Unearned Revenue	59	65
Life
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	420	456
Future Policy Benefits and Other Policy-Related Balances	6,083	5,942
Policyholder account balances	2,207	2,187
Unearned Premiums	9	11
Unearned Revenue	190	167
Run-off
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	3	4
Future Policy Benefits and Other Policy-Related Balances	18,672	19,420
Policyholder account balances	6,376	6,694
Unearned Premiums	0	0
Unearned Revenue	715	612
Corporate & Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	0	0
Future Policy Benefits and Other Policy-Related Balances	5,994	6,411
Policyholder account balances	10,977	10,589
Unearned Premiums	5	5
Unearned Revenue	$ 0	$ 0