VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Assets:
Bonds available for sale	$ 258,505	$ 251,086
Other bond securities, at fair value	5,437	6,682
Mortgage and other loans receivable	46,522	46,984
Other invested assets	17,692	18,792
Total assets	569,388	525,064
Liabilities:
Long-term debt	29,248	25,479
Total liabilities	506,570	457,637
Real Estate and Investment Entities
Liabilities:
Off-balance sheet exposure	2,300	2,600
Consolidated VIE
Assets:
Bonds available for sale	6,313	7,416
Other bond securities, at fair value	2,418	3,325
Mortgage and other loans receivable	3,783	3,860
Other invested assets	8,654	8,737
Other assets	2,755	3,122
Total assets	23,923	26,460
Liabilities:
Long-term debt	9,405	9,244
Other liabilities	513	814
Total liabilities	9,918	10,058
Consolidated VIE | Real Estate and Investment Entities
Assets:
Bonds available for sale	0	177
Other bond securities, at fair value	0	0
Mortgage and other loans receivable	0	0
Other invested assets	5,101	5,231
Other assets	560	615
Total assets	5,661	6,023
Liabilities:
Long-term debt	2,558	2,810
Other liabilities	161	236
Total liabilities	2,719	3,046
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale	6,313	7,239
Other bond securities, at fair value	2,417	3,324
Mortgage and other loans receivable	3,783	3,860
Other invested assets	0	0
Other assets	1,645	1,996
Total assets	14,158	16,419
Liabilities:
Long-term debt	4,592	4,356
Other liabilities	137	359
Total liabilities	4,729	4,715
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total assets contributed into consolidated securitization vehicles	13,400	15,600
Consolidated VIE | Affordable Housing Partnerships
Assets:
Bonds available for sale	0	0
Other bond securities, at fair value	0	0
Mortgage and other loans receivable	0	0
Other invested assets	3,510	3,464
Other assets	509	469
Total assets	4,019	3,933
Liabilities:
Long-term debt	2,251	2,074
Other liabilities	192	195
Total liabilities	2,443	2,269
Consolidated VIE | Other
Assets:
Bonds available for sale	0	0
Other bond securities, at fair value	1	1
Mortgage and other loans receivable	0	0
Other invested assets	43	42
Other assets	41	42
Total assets	85	85
Liabilities:
Long-term debt	4	4
Other liabilities	23	24
Total liabilities	27	28
Unconsolidated VIE
Assets:
Other invested assets	6,100	7,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	299,782	292,020
Maximum Exposure to Loss, On-Balance Sheet	6,367	7,282
Maximum Exposure to Loss, Off-Balance Sheet	3,950	3,847
Total maximum exposure to loss	10,317	11,129
Unconsolidated VIE | Real Estate and Investment Entities
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	290,205	283,349
Maximum Exposure to Loss, On-Balance Sheet	5,625	6,519
Maximum Exposure to Loss, Off-Balance Sheet	3,388	3,286
Total maximum exposure to loss	9,013	9,805
Unconsolidated VIE | Affordable Housing Partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	3,094	3,351
Maximum Exposure to Loss, On-Balance Sheet	396	453
Maximum Exposure to Loss, Off-Balance Sheet	0	0
Total maximum exposure to loss	396	453
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	6,483	5,320
Maximum Exposure to Loss, On-Balance Sheet	346	310
Maximum Exposure to Loss, Off-Balance Sheet	562	561
Total maximum exposure to loss	$ 908	$ 871