VARIABLE INTEREST ENTITIES (Details) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Assets:
Available for sale securities	$ 263,279,000,000	$ 273,171,000,000
Trading securities	22,884,000,000	24,584,000,000
Mortgage and other loans receivable	19,707,000,000	19,482,000,000
Other invested assets	29,168,000,000	29,117,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	29,168,000,000	29,117,000,000
Real estate and investment funds
Liabilities:
Off-balance sheet exposure	50,800,000	48,700,000
Consolidated VIE
Assets:
Available for sale securities	11,111,000,000	2,944,000,000
Trading securities	862,000,000	1,011,000,000
Mortgage and other loans receivable	301,000,000	398,000,000
Other invested assets	3,854,000,000	4,375,000,000
Other assets	1,454,000,000	3,007,000,000
Total assets	17,582,000,000	11,735,000,000
Liabilities:
Long-term debt	704,000,000	748,000,000
Other liabilities	444,000,000	1,175,000,000
Total liabilities	1,148,000,000	1,923,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	3,854,000,000	4,375,000,000
Consolidated VIE | Real estate and investment funds
Assets:
Available for sale securities		198,000,000
Trading securities		15,000,000
Other invested assets	924,000,000	1,122,000,000
Other assets	65,000,000	59,000,000
Total assets	989,000,000	1,394,000,000
Liabilities:
Long-term debt	74,000,000	157,000,000
Other liabilities	47,000,000	20,000,000
Total liabilities	121,000,000	177,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	924,000,000	1,122,000,000
Consolidated VIE | Securitization vehicles
Assets:
Available for sale securities	11,111,000,000	2,422,000,000
Total assets	11,111,000,000	2,422,000,000
Liabilities:
Long-term debt	151,000,000	25,000,000
Total liabilities	151,000,000	25,000,000
Investment-grade debt securities	12,200,000,000	3,600,000,000
Consolidated VIE | Structured investment vehicle
Assets:
Trading securities	745,000,000	792,000,000
Other assets	646,000,000	902,000,000
Total assets	1,391,000,000	1,694,000,000
Liabilities:
Long-term debt	87,000,000	9,000,000
Other liabilities	61,000,000	43,000,000
Total liabilities	148,000,000	52,000,000
Consolidated VIE | Affordable housing partnerships
Assets:
Other invested assets	2,068,000,000	2,230,000,000
Other assets	36,000,000	33,000,000
Total assets	2,104,000,000	2,263,000,000
Liabilities:
Long-term debt	194,000,000	133,000,000
Other liabilities	79,000,000	68,000,000
Total liabilities	273,000,000	201,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	2,068,000,000	2,230,000,000
Consolidated VIE | Other
Assets:
Available for sale securities		324,000,000
Trading securities	117,000,000	204,000,000
Mortgage and other loans receivable	301,000,000	398,000,000
Other invested assets	862,000,000	1,023,000,000
Other assets	707,000,000	2,013,000,000
Total assets	1,987,000,000	3,962,000,000
Liabilities:
Long-term debt	198,000,000	424,000,000
Other liabilities	257,000,000	1,044,000,000
Total liabilities	455,000,000	1,468,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Other invested assets	862,000,000	1,023,000,000
Unconsolidated VIE
Assets:
Other invested assets	2,800,000,000	2,500,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	21,742,000,000	18,178,000,000
Maximum Exposure to Loss, On-Balance Sheet	2,842,000,000	2,458,000,000
Maximum Exposure to Loss, Off-Balance Sheet	280,000,000	169,000,000
Total maximum exposure to loss	3,122,000,000	2,627,000,000
Other invested assets	2,800,000,000	2,500,000,000
Unconsolidated VIE | Real estate and investment funds
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	20,087,000,000	16,662,000,000
Maximum Exposure to Loss, On-Balance Sheet	2,203,000,000	1,881,000,000
Maximum Exposure to Loss, Off-Balance Sheet	193,000,000	169,000,000
Total maximum exposure to loss	2,396,000,000	2,050,000,000
Unconsolidated VIE | Affordable housing partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	474,000,000	498,000,000
Maximum Exposure to Loss, On-Balance Sheet	473,000,000	498,000,000
Total maximum exposure to loss	473,000,000	498,000,000
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	1,181,000,000	1,018,000,000
Maximum Exposure to Loss, On-Balance Sheet	166,000,000	79,000,000
Maximum Exposure to Loss, Off-Balance Sheet	87,000,000
Total maximum exposure to loss	$ 253,000,000	$ 79,000,000