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	$ 13,615	$ 5,985	$ 5,824
Future Contract Benefits	41,598	40,416	40,146
Unearned Premiums
Other Contract Holder Funds	120,360	111,174	104,858
Insurance Premiums	5,841	5,359	5,122
Net Investment Income	5,270	5,844	5,264
Benefits and Interest Credited	13,650	10,932	10,949
Amortization of DAC and VOBA	906	1,603	1,286
Other Operating Expenses	4,060	4,030	3,674
Premiums Written
Annuities Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	4,796	4,140	3,939
Future Contract Benefits	5,556	4,180	4,183
Unearned Premiums
Other Contract Holder Funds	45,493	41,611	35,234
Insurance Premiums	165	116	121
Net Investment Income	1,385	1,316	1,192
Benefits and Interest Credited	1,182	991	1,026
Amortization of DAC and VOBA	246	436	376
Other Operating Expenses	1,442	1,544	1,350
Premiums Written
Retirement Plan Services Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	309	159	126
Future Contract Benefits	18	15	11
Unearned Premiums
Other Contract Holder Funds	25,133	23,635	22,912
Net Investment Income	965	983	924
Benefits and Interest Credited	633	620	617
Amortization of DAC and VOBA	17	31	28
Other Operating Expenses	379	387	374
Premiums Written
Life Insurance Segment [Member]
Supplementary Insurance Information, by Segment [Line Items]
DAC and VOBA	8,346	1,515	1,572
Future Contract Benefits	19,797	19,929	19,621
Unearned Premiums
Other Contract Holder Funds	43,684	39,197	39,233
Insurance Premiums	908	783	711
Net Investment Income	2,462	3,056	2,689
Benefits and Interest Credited	7,877	5,309	5,668
Amortization of DAC and VOBA	537	1,029	768
Other Operating Expenses	673	691	690
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	332	365	329
Benefits and Interest Credited	3,849	3,896	3,505
Amortization of DAC and VOBA	106	107	114
Other Operating Expenses	1,219	1,154	1,120
Premiums Written
Other Operations [Member]
Supplementary Insurance Information, by Segment [Line Items]
Future Contract Benefits	9,647	9,966	10,345
Unearned Premiums
Other Contract Holder Funds	5,837	6,517	7,266
Insurance Premiums		10	10
Net Investment Income	126	124	130
Benefits and Interest Credited	109	116	133
Other Operating Expenses	347	254	140
Premiums Written