VARIABLE INTEREST ENTITIES (Details) (USD $)	Mar. 31, 2014	Dec. 31, 2013
Assets:
Bonds available for sale	$ 266,815,000,000	$ 261,930,000,000
Other bond securities	21,718,000,000	22,623,000,000
Mortgage and other loans receivable	21,569,000,000	20,765,000,000
Other invested assets	29,050,000,000	28,659,000,000
Real estate and investment funds
Liabilities:
Off-balance sheet exposure	50,800,000	50,800,000
Consolidated VIE
Assets:
Bonds available for sale	11,419,000,000	11,098,000,000
Other bond securities	8,846,000,000	8,310,000,000
Mortgage and other loans receivable	1,913,000,000	1,697,000,000
Other invested assets	3,356,000,000	3,628,000,000
Other assets	1,618,000,000	1,279,000,000
Total assets	27,152,000,000	26,012,000,000
Liabilities:
Long-term debt	1,793,000,000	994,000,000
Other liabilities	641,000,000	555,000,000
Total liabilities	2,434,000,000	1,549,000,000
Consolidated VIE | Real estate and investment funds
Assets:
Other invested assets	654,000,000	849,000,000
Other assets	48,000,000	49,000,000
Total assets	702,000,000	898,000,000
Liabilities:
Long-term debt	70,000,000	71,000,000
Other liabilities	37,000,000	31,000,000
Total liabilities	107,000,000	102,000,000
Consolidated VIE | Securitization vehicles
Assets:
Bonds available for sale	11,362,000,000	11,028,000,000
Other bond securities	8,002,000,000	7,449,000,000
Mortgage and other loans receivable	1,731,000,000	1,508,000,000
Other assets	800,000,000	481,000,000
Total assets	21,895,000,000	20,466,000,000
Liabilities:
Long-term debt	1,265,000,000	494,000,000
Other liabilities	295,000,000	74,000,000
Total liabilities	1,560,000,000	568,000,000
Investment-grade debt securities, loans and other assets	21,800,000,000	21,400,000,000
Consolidated VIE | Structured investment vehicle
Assets:
Other bond securities	731,000,000	748,000,000
Other assets	111,000,000	93,000,000
Total assets	842,000,000	841,000,000
Liabilities:
Long-term debt	98,000,000	87,000,000
Other liabilities	1,000,000
Total liabilities	99,000,000	87,000,000
Consolidated VIE | Affordable housing partnerships
Assets:
Other invested assets	1,941,000,000	1,986,000,000
Other assets	45,000,000	41,000,000
Total assets	1,986,000,000	2,027,000,000
Liabilities:
Long-term debt	224,000,000	188,000,000
Other liabilities	87,000,000	83,000,000
Total liabilities	311,000,000	271,000,000
Consolidated VIE | Other
Assets:
Bonds available for sale	57,000,000	70,000,000
Other bond securities	113,000,000	113,000,000
Mortgage and other loans receivable	182,000,000	189,000,000
Other invested assets	761,000,000	793,000,000
Other assets	614,000,000	615,000,000
Total assets	1,727,000,000	1,780,000,000
Liabilities:
Long-term debt	136,000,000	154,000,000
Other liabilities	221,000,000	367,000,000
Total liabilities	357,000,000	521,000,000
Unconsolidated VIE
Assets:
Other invested assets	2,900,000,000	2,800,000,000
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	19,421,000,000	18,758,000,000
Maximum Exposure to Loss, On-Balance Sheet	2,953,000,000	2,857,000,000
Maximum Exposure to Loss, Off-Balance Sheet	369,000,000	289,000,000
Total maximum exposure to loss	3,322,000,000	3,146,000,000
Unconsolidated VIE | Real estate and investment funds
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	18,334,000,000	17,572,000,000
Maximum Exposure to Loss, On-Balance Sheet	2,446,000,000	2,343,000,000
Maximum Exposure to Loss, Off-Balance Sheet	369,000,000	289,000,000
Total maximum exposure to loss	2,815,000,000	2,632,000,000
Unconsolidated VIE | Affordable housing partnerships
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	478,000,000	478,000,000
Maximum Exposure to Loss, On-Balance Sheet	478,000,000	477,000,000
Total maximum exposure to loss	478,000,000	477,000,000
Unconsolidated VIE | Other
Total assets of unconsolidated VIEs as well as maximum exposure to loss
Total VIE Assets	609,000,000	708,000,000
Maximum Exposure to Loss, On-Balance Sheet	29,000,000	37,000,000
Total maximum exposure to loss	$ 29,000,000	$ 37,000,000