FAIR VALUE DISCLOSURES (LEVEL 3 UNOBSERVABLE INPUT RECONCILIATION) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Total Gains Losses Realized Unrealized Included In [Abstract]
Transfers into level 3	$ (42)	$ (41)
Transfers out of Level 3	(4)	(61)
Corporate | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	420	380
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)	10	4
Purchases	62	30
Sales	(36)	(8)
Transfers into level 3	(42)	39
Transfers out of Level 3		(46)
Closing Balance	498	399
State and Political Sub- divisions | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	45	47
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)		1
Closing Balance	45	48
Foreign Govts | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	1	0
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Transfers into level 3		(2)
Transfers out of Level 3	(1)
Closing Balance	0	2
Commercial Mortgage- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	503	715
Total Gains Losses Realized Unrealized Included In [Abstract]
Investment Gains (Losses), Net	(6)	(2)
Subtotal	(6)	(2)
Other comprehensive income (loss)	(12)	13
Purchases	0	0
Sales	(34)	(25)
Transfers out of Level 3	(3)	(15)
Closing Balance	448	686
Residential Mortgage- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	0	2
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Closing Balance	0	2
Asset- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	40	53
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)		(1)
Sales	(3)	(1)
Closing Balance	37	51
Redeemable Preferred Stock | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	0	0
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Closing Balance	0	0
Other Equity Investments | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	17	61
Total Gains Losses Realized Unrealized Included In [Abstract]
Investment Gains (Losses), Net		(5)
Subtotal	0	(5)
Other comprehensive income (loss)		3
Purchases	2
Transfers into level 3	(6)
Closing Balance	25	59
GMIB Reinsurance Asset | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	10,570	10,711
Total Gains Losses Realized Unrealized Included In [Abstract]
Increase (Decrease) in the Fair Value of the Reinsurance Contract Asset	1,598	645
Subtotal	1,598	645
Purchases	55	56
Sales	(16)	11
Closing Balance	12,207	11,401
Separate Accounts Assets | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	313	260
Total Gains Losses Realized Unrealized Included In [Abstract]
Investment Gains (Losses), Net	7	8
Subtotal	7	8
Purchases	6	3
Sales		(1)
Settlements	(3)	1
Transfers out of Level 3		2
Closing Balance	323	267
GWBL and Other Features’ Liability | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	184	128
Total Gains Losses Realized Unrealized Included In [Abstract]
Policyholders’ benefits	30	(2)
Subtotal	30	(2)
Purchases	51	41
Closing Balance	265	167
Contingent Payment Arrangement | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	31	42
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)	1	1
Subtotal	1	1
Purchases		0
Settlements	1	1
Closing Balance	$ 31	$ 42