FAIR VALUE DISCLOSURES (TEXTUAL) (Details) - USD ($) $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	$ 37,136		$ 31,925
Fair value freestanding contract	$ 1,519		$ 659
Freestanding contract invested assets (as a percent)	83.10%		64.10%
Fair value adjustments on GMIB asset	$ 210		$ 123
Transfers out of Level 3	(43)	$ (66)
Transfers into level 3	$ 19	$ 40
Transfers out of Levels 2 and 3 to Total Equity (as a percent)	0.30%	0.60%
Level 1
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Assets measured at fair value on recurring basis (as a percent)	68.70%		71.80%
Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Assets measured at fair value on recurring basis (as a percent)	30.50%		27.30%
Mortgages and asset-backed securities owned	$ 606		$ 673
Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Assets measured at fair value on recurring basis (as a percent)	0.80%		0.90%
Mortgages and asset-backed securities owned	$ 429		$ 543
Fair value disclosures broker priced	145		119
Public Fixed Maturities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	$ 29,357		$ 24,216
Available-for-sale fixed maturity assets measured at fair value on recurring basis (as a percent)	18.70%		16.20%
Private Fixed Maturities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	$ 7,699		$ 7,677
Available-for-sale fixed maturity assets measured at fair value on recurring basis (as a percent)	4.90%		5.10%