VARIABLE INTEREST ENTITIES (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
Assets:
Bonds available for sale	$ 260,649,000,000	$ 248,245,000,000
Other bond securities	14,772,000,000	16,782,000,000
Mortgage and other loans receivable	32,413,000,000	29,565,000,000
Other invested assets	25,747,000,000	29,794,000,000
Liabilities:
Long-term Debt	32,277,000,000	29,249,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	25,747,000,000	29,794,000,000
Held for sale [Member]
Assets:
Mortgage and other loans receivable	1,000,000
Other invested assets	1,006,000,000
Liabilities:
Long-term Debt	1,160,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	1,006,000,000
Real Estate and Investment Funds
Liabilities:
Off-balance sheet exposure	126,000,000	131,000,000
Consolidated VIE
Assets:
Bonds available for sale	10,546,000,000	10,324,000,000
Other bond securities	5,404,000,000	6,167,000,000
Mortgage and other loans receivable	1,663,000,000	2,093,000,000
Other invested assets	4,201,000,000	3,598,000,000
Other assets	3,197,000,000	1,924,000,000
Total assets	25,011,000,000	24,106,000,000
Liabilities:
Long-term Debt	2,971,000,000	2,597,000,000
Other liabilities	2,033,000,000	556,000,000
Total liabilities	5,004,000,000	3,153,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	4,201,000,000	3,598,000,000
Consolidated VIE | Real Estate and Investment Funds
Assets:
Bonds available for sale	0	0
Other bond securities	0	0
Mortgage and other loans receivable	1,000,000	1,000,000
Other invested assets	1,008,000,000	489,000,000
Other assets	1,619,000,000	29,000,000
Total assets	2,628,000,000	519,000,000
Liabilities:
Long-term Debt	431,000,000	0
Other liabilities	1,440,000,000	34,000,000
Total liabilities	1,871,000,000	34,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	1,008,000,000	489,000,000
Consolidated VIE | Real Estate and Investment Funds | Held for sale [Member]
Assets:
Other assets	1,000,000,000
Liabilities:
Other liabilities	1,200,000,000
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale	10,546,000,000	10,309,000,000
Other bond securities	5,074,000,000	5,756,000,000
Mortgage and other loans receivable	1,553,000,000	1,960,000,000
Other invested assets	356,000,000	477,000,000
Other assets	885,000,000	1,349,000,000
Total assets	18,414,000,000	19,851,000,000
Liabilities:
Long-term Debt	781,000,000	1,025,000,000
Other liabilities	225,000,000	236,000,000
Total liabilities	1,006,000,000	1,261,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	356,000,000	477,000,000
Consolidated VIE | Structured Investment Vehicles
Assets:
Bonds available for sale	0	0
Other bond securities	324,000,000	387,000,000
Mortgage and other loans receivable	0	0
Other invested assets	0	0
Other assets	122,000,000	94,000,000
Total assets	446,000,000	481,000,000
Liabilities:
Long-term Debt	55,000,000	53,000,000
Other liabilities	0	1,000,000
Total liabilities	55,000,000	54,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	0	0
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	2,810,000,000	2,608,000,000
Other assets	401,000,000	293,000,000
Total assets	3,211,000,000	2,901,000,000
Liabilities:
Long-term Debt	1,698,000,000	1,513,000,000
Other liabilities	230,000,000	214,000,000
Total liabilities	1,928,000,000	1,727,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	2,810,000,000	2,608,000,000
Consolidated VIE | Other
Assets:
Bonds available for sale	0	15,000,000
Other bond securities	6,000,000	24,000,000
Mortgage and other loans receivable	109,000,000	132,000,000
Other invested assets	27,000,000	24,000,000
Other assets	170,000,000	159,000,000
Total assets	312,000,000	354,000,000
Liabilities:
Long-term Debt	6,000,000	6,000,000
Other liabilities	138,000,000	71,000,000
Total liabilities	144,000,000	77,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	27,000,000	24,000,000
Unconsolidated VIE
Assets:
Other invested assets	12,400,000,000	3,800,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	419,245,000,000	28,316,000,000
Maximum Exposure to Loss, On-Balance Sheet	12,843,000,000	4,061,000,000
Maximum Exposure to Loss, Off-Balance Sheet	3,139,000,000	1,398,000,000
Total maximum exposure to loss	15,982,000,000	5,459,000,000
Other invested assets	12,400,000,000	3,800,000,000
Unconsolidated VIE | Held for sale [Member]
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	492,000,000
Maximum Exposure to Loss, On-Balance Sheet	4,000,000
Maximum Exposure to Loss, Off-Balance Sheet	2,000,000
Unconsolidated VIE | Real Estate and Investment Funds
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	410,119,000,000	21,951,000,000
Maximum Exposure to Loss, On-Balance Sheet	11,722,000,000	3,072,000,000
Maximum Exposure to Loss, Off-Balance Sheet	2,108,000,000	398,000,000
Total maximum exposure to loss	13,830,000,000	3,470,000,000
Unconsolidated VIE | Affordable Housing Partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	4,755,000,000	5,255,000,000
Maximum Exposure to Loss, On-Balance Sheet	789,000,000	774,000,000
Maximum Exposure to Loss, Off-Balance Sheet	0	0
Total maximum exposure to loss	789,000,000	774,000,000
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	4,371,000,000	1,110,000,000
Maximum Exposure to Loss, On-Balance Sheet	332,000,000	215,000,000
Maximum Exposure to Loss, Off-Balance Sheet	1,031,000,000	1,000,000,000
Total maximum exposure to loss	$ 1,363,000,000	$ 1,215,000,000