FAIR VALUE DISCLOSURES (LEVEL 3 UNOBSERVABLE INPUT RECONCILIATION) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Total Gains Losses Realized Unrealized Included In [Abstract]
Transfers into level 3			$ 29	$ 31
Transfers out of Level 3	$ (24)		(50)	(112)
Corporate | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	495	$ 373	420	380
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)		0	(1)	1
Investment Gains (Losses), Net	1	0	1	1
Subtotal	1	0	0	2
Other comprehensive income (loss)	(2)	(2)	8	(3)
Purchases	256	96	399	129
Sales	(21)	2	(89)	(33)
Transfers into level 3	11	0	29	31
Transfers out of Level 3	(1)	(25)	(28)	(62)
Closing Balance	739	444	739	444
State and Political Sub- divisions | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	45	46	45	47
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)	0	0	0	(1)
Sales	(1)	(1)	(1)	(1)
Closing Balance	44	45	44	45
Foreign Govts | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	0	0	1	0
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)			0	0
Transfers into level 3		0
Transfers out of Level 3	0	0	(1)	0
Closing Balance	0	0	0	0
Commercial Mortgage- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	402	627	503	715
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)	1	1	1	1
Investment Gains (Losses), Net	(12)	(7)	(36)	(27)
Subtotal	(11)	(6)	(35)	(26)
Other comprehensive income (loss)	10	12	(1)	46
Purchases	0	0	0
Sales	(21)	(63)	(81)	(145)
Transfers out of Level 3	(6)	(30)	(12)	(50)
Closing Balance	374	540	374	540
Residential Mortgage- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	0	1	0	2
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Sales		0	0	(1)
Closing Balance	0	1	0	1
Asset- backed | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	26	48	40	53
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)	(1)	(3)	1	(3)
Sales	0	0	(7)	(5)
Transfers out of Level 3	0		(9)	0
Closing Balance	25	45	25	45
Redeemable Preferred Stock | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	0	0	0	0
Total Gains Losses Realized Unrealized Included In [Abstract]
Subtotal	0	0
Other comprehensive income (loss)				0
Purchases			0	0
Closing Balance	0	0	0	0
Other Equity Investments | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	18	51	17	61
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)			0	5
Investment Gains (Losses), Net	0	0	(1)	5
Subtotal	0	0	(1)	10
Other comprehensive income (loss)		0	0	(2)
Purchases	0		0	0
Sales			0	(18)
Activity related to consolidated VIEs	15		17
Transfers into level 3	0		0
Transfers out of Level 3	(24)		(24)	0
Closing Balance	9	51	9	51
GMIB Reinsurance Asset | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	13,311	9,951	10,570	10,711
Total Gains Losses Realized Unrealized Included In [Abstract]
Increase (Decrease) in the Fair Value of the Reinsurance Contract Asset	(235)	2,214	2,426	1,363
Policyholders’ benefits			0
Subtotal	(235)	2,214	2,426	1,363
Purchases	56	58	167	171
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Issuances			0	0
Sales	(19)	(9)	(50)	(31)
Closing Balance	13,113	12,214	13,113	12,214
Separate Accounts Assets | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	307	283	313	260
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)		0	0	0
Investment Gains (Losses), Net	7	8	19	25
Subtotal	7	8	19	25
Other comprehensive income (loss)			0	0
Purchases	3	5	12	17
Sales	0	0	0	(2)
Settlements	(1)	(1)	(6)	(3)
Transfers into level 3	0	1	1	0
Transfers out of Level 3	(1)	(1)	(24)	(2)
Closing Balance	315	295	315	295
GWBL and Other Features’ Liability | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	330	109	184	128
Total Gains Losses Realized Unrealized Included In [Abstract]
Policyholders’ benefits	(88)	68	(48)	(37)
Subtotal	(88)	68	(48)	(37)
Purchases	59	48	165	134
Closing Balance	301	225	301	225
Contingent Payment Arrangement | Level 3
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]
Opening Balance	31	(42)	31	(42)
Total Gains Losses Realized Unrealized Included In [Abstract]
Net investment income (loss)	0	0	0	(2)
Subtotal	0	0	0	(2)
Purchases		0	11	0
Settlements	(24)	3	(24)	5
Closing Balance	18	(39)	18	(39)
Assets and Liabilities Still Held | Corporate | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Other comprehensive income (loss)	0	(2)	9	(3)
Assets and Liabilities Still Held | State and Political Sub- divisions | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Other comprehensive income (loss)	0	0	1	(1)
Assets and Liabilities Still Held | Commercial Mortgage- backed | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Other comprehensive income (loss)	10	11	(6)	44
Assets and Liabilities Still Held | Asset- backed | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Other comprehensive income (loss)	(1)	(3)	1	(3)
Assets and Liabilities Still Held | Fixed Maturities, Available-for-Sale [Member] | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Other comprehensive income (loss)	9	6	5	37
Assets and Liabilities Still Held | Total Debt Maturities Available For Sale | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Investment Gains (Losses), Net	6	8	19	25
Increase (Decrease) in the Fair Value of the Reinsurance Contract Asset	(198)	2,263	2,543	1,503
Policyholders’ benefits	(29)	116	117	97
Other comprehensive income (loss)	9	6	5	37
Assets and Liabilities Still Held | GMIB Reinsurance Asset | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Increase (Decrease) in the Fair Value of the Reinsurance Contract Asset	(198)	2,263	2,543	1,503
Assets and Liabilities Still Held | Separate Accounts Assets | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Investment Gains (Losses), Net	6	8	19	25
Assets and Liabilities Still Held | GWBL and Other Features’ Liability | Level 3
Total Gains Losses Realized Unrealized Included In [Abstract]
Policyholders’ benefits	$ (29)	$ 116	$ 117	$ 97