DERIVATIVE INSTRUMENTS - Summary of Balance Sheet Classification of Derivative Fair Value Amounts, as well as Gross Asset and Liability Fair Value Amounts (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	$ 23,943	$ 22,475
Net Derivatives Fair Value	351	(349)
Asset Derivatives Fair Value	591	488
Liability Derivatives Fair Value	(240)	(837)
Other assets
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	18,881	5,308
Net Derivatives Fair Value	591	488
Asset Derivatives Fair Value	591	488
Liability Derivatives Fair Value	0	0
Other liabilities
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	5,062	17,167
Net Derivatives Fair Value	(240)	(837)
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	(240)	(837)
Interest rate swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value		1
Liability Derivatives Fair Value	(1)
Foreign currency forwards
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	107	17
Liability Derivatives Fair Value		(582)
Foreign currency swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	464	445
Liability Derivatives Fair Value	(156)	(218)
Interest rate swaptions
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	11	20
Liability Derivatives Fair Value	(76)	(32)
Foreign currency options
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	9	4
Liability Derivatives Fair Value	(7)	(1)
Credit default swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value		1
Liability Derivatives Fair Value		(4)
Cash flow hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	129	127
Net Derivatives Fair Value	4	3
Asset Derivatives Fair Value	4	3
Liability Derivatives Fair Value	0	0
Cash flow hedges | Interest rate swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	54	52
Net Derivatives Fair Value	0	0
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	0	0
Cash flow hedges | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	75	75
Net Derivatives Fair Value	4	3
Asset Derivatives Fair Value	4	3
Liability Derivatives Fair Value	0	0
Fair value hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	17,852	15,749
Net Derivatives Fair Value	40	(594)
Asset Derivatives Fair Value	117	20
Liability Derivatives Fair Value	(77)	(614)
Fair value hedges | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	13,837	11,249
Net Derivatives Fair Value	104	(582)
Asset Derivatives Fair Value	104	0
Liability Derivatives Fair Value	0	(582)
Fair value hedges | Interest rate swaptions
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	3,265	4,500
Net Derivatives Fair Value	(65)	(12)
Asset Derivatives Fair Value	11	20
Liability Derivatives Fair Value	(76)	(32)
Fair value hedges | Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	750
Net Derivatives Fair Value	1
Asset Derivatives Fair Value	2
Liability Derivatives Fair Value	(1)
Net investment hedge
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	617	451
Net Derivatives Fair Value	4	20
Asset Derivatives Fair Value	10	21
Liability Derivatives Fair Value	(6)	(1)
Net investment hedge | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	99	356
Net Derivatives Fair Value	3	17
Asset Derivatives Fair Value	3	17
Liability Derivatives Fair Value	0	0
Net investment hedge | Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	518	95
Net Derivatives Fair Value	1	3
Asset Derivatives Fair Value	7	4
Liability Derivatives Fair Value	(6)	(1)
Non-qualifying strategies
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	5,345	6,148
Net Derivatives Fair Value	303	222
Asset Derivatives Fair Value	460	444
Liability Derivatives Fair Value	(157)	(222)
Non-qualifying strategies | Interest rate swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	17	112
Net Derivatives Fair Value	(1)	1
Asset Derivatives Fair Value	0	1
Liability Derivatives Fair Value	(1)	0
Non-qualifying strategies | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	5,212	5,829
Net Derivatives Fair Value	304	224
Asset Derivatives Fair Value	460	442
Liability Derivatives Fair Value	(156)	(218)
Non-qualifying strategies | Credit default swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	116	207
Net Derivatives Fair Value	0	(3)
Asset Derivatives Fair Value	0	1
Liability Derivatives Fair Value	$ 0	$ (4)