VARIABLE INTEREST ENTITIES (Details) - USD ($) $ in Millions	Sep. 30, 2017	Dec. 31, 2016
Assets:
Bonds available for sale	$ 237,771.0	$ 241,537.0
Other bond securities	12,653.0	13,998.0
Mortgage and other loans receivable	36,089.0	33,240.0
Other invested assets	22,590.0	24,538.0
Liabilities:
Long-term Debt	31,039.0	30,912.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	22,590.0	24,538.0
Held for sale [Member]
Assets:
Mortgage and other loans receivable		137.0
Other invested assets		2.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets		2.0
Real Estate and Investment Funds
Liabilities:
Off-balance sheet exposure	98.6	106.0
Consolidated VIE
Assets:
Bonds available for sale	10,144.0	10,233.0
Other bond securities	4,431.0	5,129.0
Mortgage and other loans receivable	1,641.0	1,547.0
Other invested assets	4,340.0	4,222.0
Other assets	2,104.0	1,995.0
Total assets	22,660.0	23,126.0
Liabilities:
Long-term Debt	3,433.0	2,973.0
Other liabilities	485.0	677.0
Total liabilities	3,918.0	3,650.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	4,340.0	4,222.0
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	0.0	1.0
Other invested assets	1,047.0	1,052.0
Other assets	358.0	365.0
Total assets	1,405.0	1,418.0
Liabilities:
Long-term Debt	465.0	444.0
Other liabilities	112.0	224.0
Total liabilities	577.0	668.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	1,047.0	1,052.0
Consolidated VIE | Securitization Vehicles
Assets:
Bonds available for sale	10,144.0	10,233.0
Other bond securities	4,427.0	4,858.0
Mortgage and other loans receivable	1,641.0	1,442.0
Other invested assets	218.0	321.0
Other assets	1,196.0	1,104.0
Total assets	17,626.0	17,958.0
Liabilities:
Long-term Debt	1,099.0	771.0
Other liabilities	137.0	203.0
Total liabilities	1,236.0	974.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	218.0	321.0
Total assets of consolidated securitization vehicles owed to Parent or its subsidiaries	17,000.0	17,300.0
Consolidated VIE | Structured Investment Vehicles
Assets:
Bonds available for sale	0.0	0.0
Other bond securities	0.0	266.0
Mortgage and other loans receivable	0.0	0.0
Other invested assets	0.0	0.0
Other assets	4.0	50.0
Total assets	4.0	316.0
Liabilities:
Long-term Debt	3.0	56.0
Other liabilities	0.0	1.0
Total liabilities	3.0	57.0
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	3,050.0	2,821.0
Other assets	463.0	384.0
Total assets	3,513.0	3,205.0
Liabilities:
Long-term Debt	1,861.0	1,696.0
Other liabilities	209.0	211.0
Total liabilities	2,070.0	1,907.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	3,050.0	2,821.0
Consolidated VIE | Other
Assets:
Bonds available for sale	0.0	0.0
Other bond securities	4.0	5.0
Mortgage and other loans receivable	0.0	104.0
Other invested assets	25.0	28.0
Other assets	83.0	92.0
Total assets	112.0	229.0
Liabilities:
Long-term Debt	5.0	6.0
Other liabilities	27.0	38.0
Total liabilities	32.0	44.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	25.0	28.0
Unconsolidated VIE
Assets:
Other invested assets	10,500.0	11,700.0
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	385,809.0	416,665.0
Maximum Exposure to Loss, On-Balance Sheet	10,889.0	12,114.0
Maximum Exposure to Loss, Off-Balance Sheet	3,208.0	3,160.0
Total maximum exposure to loss	14,097.0	15,274.0
Other invested assets	10,500.0	11,700.0
Unconsolidated VIE | Real Estate and Investment Funds
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	378,378.0	409,087.0
Maximum Exposure to Loss, On-Balance Sheet	9,876.0	11,015.0
Maximum Exposure to Loss, Off-Balance Sheet	2,019.0	2,115.0
Total maximum exposure to loss	11,895.0	13,130.0
Unconsolidated VIE | Affordable Housing Partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	4,549.0	4,709.0
Maximum Exposure to Loss, On-Balance Sheet	736.0	785.0
Maximum Exposure to Loss, Off-Balance Sheet	0.0	0.0
Total maximum exposure to loss	736.0	785.0
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	2,882.0	2,869.0
Maximum Exposure to Loss, On-Balance Sheet	277.0	314.0
Maximum Exposure to Loss, Off-Balance Sheet	1,189.0	1,045.0
Total maximum exposure to loss	$ 1,466.0	$ 1,359.0