SCHEDULE III - CONDENSED SUPPLEMENTARY INSURANCE INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	$ 12,339	$ 12,201	$ 12,037
Future Contract Benefits	39,807	39,864	38,826
Unearned Premiums	0	0	0
Policyholder Account Balances	126,197	120,737	114,435
Insurance Premiums	6,425	3,672	6,087
Net Investment Income	5,525	5,879	5,515
Benefits and Interest Credited	11,361	9,386	11,356
Amortization of DAC and VOBA	1,059	1,040	1,022
Other Operating Expense	4,867	4,783	4,553
Premiums Written	0	0	0
Annuities
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	4,258	4,187	4,207
Future Contract Benefits	2,019	2,090	2,005
Unearned Premiums	0	0	0
Policyholder Account Balances	61,230	54,496	45,549
Insurance Premiums	127	(1,584)	165
Net Investment Income	1,636	1,668	1,463
Benefits and Interest Credited	1,711	(193)	1,204
Amortization of DAC and VOBA	427	430	429
Other Operating Expense	1,411	1,618	1,587
Premiums Written	0	0	0
Life Insurance
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	7,661	7,621	7,453
Future Contract Benefits	22,509	21,613	20,953
Unearned Premiums	0	0	0
Policyholder Account Balances	36,842	37,432	37,959
Insurance Premiums	1,149	1,162	1,146
Net Investment Income	2,434	2,712	2,587
Benefits and Interest Credited	4,886	5,717	5,381
Amortization of DAC and VOBA	503	492	478
Other Operating Expense	763	755	715
Premiums Written	0	0	0
Group Protection
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	178	154	141
Future Contract Benefits	6,209	6,282	6,086
Unearned Premiums	0	0	0
Policyholder Account Balances	0	0	0
Insurance Premiums	5,145	5,014	4,768
Net Investment Income	348	339	334
Benefits and Interest Credited	4,045	4,025	4,039
Amortization of DAC and VOBA	111	100	97
Other Operating Expense	1,370	1,347	1,219
Premiums Written	0	0	0
Retirement Plan Services
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	242	239	236
Future Contract Benefits	0	0	0
Unearned Premiums	0	0	0
Policyholder Account Balances	23,619	23,784	25,138
Insurance Premiums	0	0	0
Net Investment Income	997	1,012	976
Benefits and Interest Credited	675	664	629
Amortization of DAC and VOBA	18	18	18
Other Operating Expense	441	427	379
Premiums Written	0	0	0
Other Operations
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
DAC and VOBA	0	0	0
Future Contract Benefits	9,070	9,879	9,782
Unearned Premiums	0	0	0
Policyholder Account Balances	4,506	5,025	5,789
Insurance Premiums	4	(920)	8
Net Investment Income	110	148	155
Benefits and Interest Credited	44	(827)	103
Amortization of DAC and VOBA	0	0	0
Other Operating Expense	882	636	653
Premiums Written	$ 0	$ 0	$ 0