SCHEDULE III - CONDENSED SUPPLEMENTARY INSURANCE INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	$ 13,588	$ 6,081	$ 5,812
Future Contract Benefits	42,151	41,030	40,814
Unearned Premiums
Other Contract Holder Funds	120,800	111,702	105,405
Insurance Premiums	6,087	5,617	5,372
Net Investment Income	5,511	6,115	5,510
Benefits and Interest Credited	15,416	11,444	11,600
Amortization of DAC and VOBA	1,014	1,634	1,294
Other Operating Expenses	4,531	4,522	4,138
Premiums Written
Annuities Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	4,704	4,086	3,782
Future Contract Benefits	5,556	4,181	4,183
Unearned Premiums
Other Contract Holder Funds	45,487	41,619	35,218
Insurance Premiums	165	116	121
Net Investment Income	1,461	1,401	1,272
Benefits and Interest Credited	2,480	1,091	1,245
Amortization of DAC and VOBA	267	465	365
Other Operating Expenses	1,564	1,677	1,467
Premiums Written
Retirement Plan Services Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	301	152	120
Future Contract Benefits	18	15	11
Unearned Premiums
Other Contract Holder Funds	25,133	23,635	22,912
Net Investment Income	975	992	933
Benefits and Interest Credited	633	620	617
Amortization of DAC and VOBA	18	32	29
Other Operating Expenses	378	388	375
Premiums Written
Life Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	8,419	1,672	1,723
Future Contract Benefits	20,208	20,389	20,127
Unearned Premiums
Other Contract Holder Funds	44,129	39,717	39,797
Insurance Premiums	1,146	1,033	950
Net Investment Income	2,585	3,209	2,823
Benefits and Interest Credited	8,338	5,714	6,077
Amortization of DAC and VOBA	623	1,030	786
Other Operating Expenses	716	735	720
Premiums Written
Group Protection Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	164	171	187
Future Contract Benefits	6,580	6,326	5,986
Unearned Premiums
Other Contract Holder Funds	213	214	213
Insurance Premiums	4,768	4,450	4,280
Net Investment Income	333	366	330
Benefits and Interest Credited	3,849	3,896	3,505
Amortization of DAC and VOBA	106	107	114
Other Operating Expenses	1,220	1,154	1,120
Premiums Written
Other Operations [Member]
Supplementary Insurance Information, by Segment [Line Items]
Future Contract Benefits	9,789	10,119	10,507
Unearned Premiums
Other Contract Holder Funds	5,838	6,517	7,265
Insurance Premiums	8	18	21
Net Investment Income	157	147	152
Benefits and Interest Credited	116	123	156
Other Operating Expenses	653	568	456
Premiums Written