FAIR VALUE DISCLOSURES (TEXTUAL) (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	$ 33,510	$ 33,510		$ 32,683
Fair value freestanding contract	$ 1,380	$ 1,380		$ 51
Freestanding contract invested assets (as a percent)		41.80%		8.20%
Fair value adjustments on GMIB asset		$ 89		$ 139
Transfers out of Level 3		(6)	$ (43)
Transfers into level 3		$ 13	$ 19
Transfers out of Levels 2 and 3 to Total Equity (as a percent)	0.10%		0.30%
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)		70.10%		71.10%
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)		28.80%		27.90%
Mortgages and asset-backed securities owned	$ 299	$ 299		$ 340
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)		1.10%		1.00%
Mortgages and asset-backed securities owned	302	$ 302		$ 373
Fair value disclosures broker priced	102	102		111
Public Fixed Maturities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	25,550	$ 25,550		$ 24,918
Available-for-sale fixed maturity assets measured at fair value on recurring basis (as a percent)		15.30%		16.00%
Private Fixed Maturities
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Quantitative Disclosure [Line Items]
Fixed maturities, available-for-sale	$ 7,828	$ 7,828		$ 7,652
Available-for-sale fixed maturity assets measured at fair value on recurring basis (as a percent)		4.70%		4.90%