VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Assets:
Bonds available for sale	$ 238,201	$ 229,391
Other bond securities	11,511	11,415
Mortgage and other loans receivable	43,834	43,135
Other invested assets	19,343	19,341
Liabilities:
Long-term Debt	35,776	34,540
Real Estate and Investment Entities
Liabilities:
Off-balance sheet exposure	2,900	1,400
Consolidated VIE
Assets:
Bonds available for sale	8,285	7,662
Other bond securities	3,804	3,925
Mortgage and other loans receivable	3,593	3,693
Other invested assets	9,113	8,378
Other assets	3,198	2,625
Total assets	27,993	26,283
Liabilities:
Long-term Debt	8,514	7,569
Other liabilities	1,003	575
Total liabilities	9,517	8,144
Consolidated VIE | Real Estate and Investment Entities
Assets:
Bonds available for sale	0	0
Other bond securities	0	0
Mortgage and other loans receivable	0	0
Other invested assets	5,438	5,212
Other assets	603	580
Total assets	6,041	5,792
Liabilities:
Long-term Debt	2,593	2,577
Other liabilities	227	227
Total liabilities	2,820	2,804
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale	8,285	7,662
Other bond securities	3,802	3,923
Mortgage and other loans receivable	3,593	3,693
Other invested assets	0	0
Other assets	2,064	1,581
Total assets	17,744	16,859
Liabilities:
Long-term Debt	3,764	3,154
Other liabilities	546	165
Total liabilities	4,310	3,319
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total assets of consolidated securitization vehicles owed to Parent or its subsidiaries	16,900	16,000
Consolidated VIE | Affordable Housing Partnerships
Assets:
Bonds available for sale	0	0
Other bond securities	0	0
Mortgage and other loans receivable	0	0
Other invested assets	3,650	3,142
Other assets	459	394
Total assets	4,109	3,536
Liabilities:
Long-term Debt	2,152	1,834
Other liabilities	207	159
Total liabilities	2,359	1,993
Consolidated VIE | Other
Assets:
Bonds available for sale	0	0
Other bond securities	2	2
Mortgage and other loans receivable	0	0
Other invested assets	25	24
Other assets	72	70
Total assets	99	96
Liabilities:
Long-term Debt	5	4
Other liabilities	23	24
Total liabilities	28	28
Unconsolidated VIE
Assets:
Other invested assets	7,000	7,400
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	273,253	316,527
Maximum Exposure to Loss, On-Balance Sheet	7,363	7,711
Maximum Exposure to Loss, Off-Balance Sheet	3,190	3,723
Total maximum exposure to loss	10,553	11,434
Unconsolidated VIE | Real Estate and Investment Entities
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	264,238	309,598
Maximum Exposure to Loss, On-Balance Sheet	6,492	6,820
Maximum Exposure to Loss, Off-Balance Sheet	3,190	2,501
Total maximum exposure to loss	9,682	9,321
Unconsolidated VIE | Affordable Housing Partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	3,650	4,116
Maximum Exposure to Loss, On-Balance Sheet	544	607
Maximum Exposure to Loss, Off-Balance Sheet	0	0
Total maximum exposure to loss	544	607
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	5,365	2,813
Maximum Exposure to Loss, On-Balance Sheet	327	284
Maximum Exposure to Loss, Off-Balance Sheet	0	1,222
Total maximum exposure to loss	$ 327	$ 1,506