VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	Jun. 30, 2016	Dec. 31, 2015
Assets:
Bonds available for sale	$ 262,089.0	$ 248,245.0
Other bond securities	15,335.0	16,782.0
Mortgage and other loans receivable	31,261.0	29,565.0
Other invested assets	27,345.0	29,794.0
Liabilities:
Long-term Debt	33,329.0	29,249.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	27,345.0	29,794.0
Real Estate and Investment Funds
Liabilities:
Off-balance sheet exposure	119.0	131.0
Consolidated VIE
Assets:
Bonds available for sale	10,124.0	10,324.0
Other bond securities	5,594.0	6,167.0
Mortgage and other loans receivable	1,773.0	2,093.0
Other invested assets	5,343.0	3,598.0
Other assets	2,024.0	1,924.0
Total assets	24,858.0	24,106.0
Liabilities:
Long-term Debt	4,080.0	2,597.0
Other liabilities	809.0	556.0
Total liabilities	4,889.0	3,153.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	5,343.0	3,598.0
Consolidated VIE | Real Estate and Investment Funds
Assets:
Bonds available for sale	0.0	0.0
Other bond securities	0.0	0.0
Mortgage and other loans receivable	1.0	1.0
Other invested assets	2,043.0	489.0
Other assets	570.0	29.0
Total assets	2,614.0	519.0
Liabilities:
Long-term Debt	1,538.0	0.0
Other liabilities	216.0	34.0
Total liabilities	1,754.0	34.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	2,043.0	489.0
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale	10,116.0	10,309.0
Other bond securities	5,254.0	5,756.0
Mortgage and other loans receivable	1,654.0	1,960.0
Other invested assets	427.0	477.0
Other assets	912.0	1,349.0
Total assets	18,363.0	19,851.0
Liabilities:
Long-term Debt	845.0	1,025.0
Other liabilities	216.0	236.0
Total liabilities	1,061.0	1,261.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	427.0	477.0
Consolidated VIE | Structured Investment Vehicles
Assets:
Bonds available for sale	0.0	0.0
Other bond securities	334.0	387.0
Mortgage and other loans receivable	0.0	0.0
Other invested assets	0.0	0.0
Other assets	78.0	94.0
Total assets	412.0	481.0
Liabilities:
Long-term Debt	52.0	53.0
Other liabilities	0.0	1.0
Total liabilities	52.0	54.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	0.0	0.0
Consolidated VIE | Affordable Housing Partnerships
Assets:
Bonds available for sale	0.0	0.0
Other bond securities	0.0	0.0
Mortgage and other loans receivable	0.0	0.0
Other invested assets	2,848.0	2,608.0
Other assets	296.0	293.0
Total assets	3,144.0	2,901.0
Liabilities:
Long-term Debt	1,639.0	1,513.0
Other liabilities	235.0	214.0
Total liabilities	1,874.0	1,727.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	2,848.0	2,608.0
Consolidated VIE | Other
Assets:
Bonds available for sale	8.0	15.0
Other bond securities	6.0	24.0
Mortgage and other loans receivable	118.0	132.0
Other invested assets	25.0	24.0
Other assets	168.0	159.0
Total assets	325.0	354.0
Liabilities:
Long-term Debt	6.0	6.0
Other liabilities	142.0	71.0
Total liabilities	148.0	77.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	25.0	24.0
Unconsolidated VIE
Assets:
Other invested assets	13,000.0	3,800.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	434,656.0	28,316.0
Maximum Exposure to Loss, On-Balance Sheet	13,510.0	4,061.0
Maximum Exposure to Loss, Off-Balance Sheet	2,945.0	1,398.0
Total maximum exposure to loss	16,455.0	5,459.0
Other invested assets	13,000.0	3,800.0
Unconsolidated VIE | Real Estate and Investment Funds
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	425,402.0	21,951.0
Maximum Exposure to Loss, On-Balance Sheet	12,346.0	3,072.0
Maximum Exposure to Loss, Off-Balance Sheet	2,166.0	398.0
Total maximum exposure to loss	14,512.0	3,470.0
Unconsolidated VIE | Affordable Housing Partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	4,908.0	5,255.0
Maximum Exposure to Loss, On-Balance Sheet	825.0	774.0
Maximum Exposure to Loss, Off-Balance Sheet	0.0	0.0
Total maximum exposure to loss	825.0	774.0
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	4,346.0	1,110.0
Maximum Exposure to Loss, On-Balance Sheet	339.0	215.0
Maximum Exposure to Loss, Off-Balance Sheet	779.0	1,000.0
Total maximum exposure to loss	$ 1,118.0	$ 1,215.0