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	Mar. 31, 2014	Dec. 31, 2013
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	$ 28,226	$ 22,475
Net Derivatives Fair Value	165	(349)
Asset Derivatives Fair Value	523	488
Liability Derivatives Fair Value	(358)	(837)
Other assets
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	8,563	5,308
Net Derivatives Fair Value	523	488
Asset Derivatives Fair Value	523	488
Liability Derivatives Fair Value	0	0
Other liabilities
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	19,663	17,167
Net Derivatives Fair Value	(358)	(837)
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	(358)	(837)
Interest rate swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value		1
Foreign currency forwards
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	58	17
Liability Derivatives Fair Value	(59)	(582)
Foreign currency swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	426	445
Liability Derivatives Fair Value	(206)	(218)
Interest rate swaptions
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	12	20
Liability Derivatives Fair Value	(61)	(32)
Foreign currency options
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	26	4
Liability Derivatives Fair Value	(23)	(1)
Credit default swaps
Derivatives, Fair Value [Line Items]
Asset Derivatives Fair Value	1	1
Liability Derivatives Fair Value	(2)	(4)
Futures
Derivatives, Fair Value [Line Items]
Liability Derivatives Fair Value	(7)
Cash flow hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	128	127
Net Derivatives Fair Value	2	3
Asset Derivatives Fair Value	2	3
Liability Derivatives Fair Value	0	0
Cash flow hedges | Interest rate swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	53	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	2	3
Asset Derivatives Fair Value	2	3
Liability Derivatives Fair Value	0	0
Fair value hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	15,755	15,749
Net Derivatives Fair Value	(60)	(594)
Asset Derivatives Fair Value	60	20
Liability Derivatives Fair Value	(120)	(614)
Fair value hedges | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	12,077	11,249
Net Derivatives Fair Value	(11)	(582)
Asset Derivatives Fair Value	48	0
Liability Derivatives Fair Value	(59)	(582)
Fair value hedges | Interest rate swaptions
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	3,678	4,500
Net Derivatives Fair Value	(49)	(12)
Asset Derivatives Fair Value	12	20
Liability Derivatives Fair Value	(61)	(32)
Net investment hedge
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	510	451
Net Derivatives Fair Value	13	20
Asset Derivatives Fair Value	36	21
Liability Derivatives Fair Value	(23)	(1)
Net investment hedge | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	0	356
Net Derivatives Fair Value	10	17
Asset Derivatives Fair Value	10	17
Liability Derivatives Fair Value	0	0
Net investment hedge | Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	510	95
Net Derivatives Fair Value	3	3
Asset Derivatives Fair Value	26	4
Liability Derivatives Fair Value	(23)	(1)
Non-qualifying strategies
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	11,833	6,148
Net Derivatives Fair Value	210	222
Asset Derivatives Fair Value	425	444
Liability Derivatives Fair Value	(215)	(222)
Non-qualifying strategies | Interest rate swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	115	112
Net Derivatives Fair Value	0	1
Asset Derivatives Fair Value	0	1
Liability Derivatives Fair Value	0	0
Non-qualifying strategies | Foreign currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	5,679	5,829
Net Derivatives Fair Value	218	224
Asset Derivatives Fair Value	424	442
Liability Derivatives Fair Value	(206)	(218)
Non-qualifying strategies | Interest rate swaptions
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	12
Net Derivatives Fair Value	0
Asset Derivatives Fair Value	0
Liability Derivatives Fair Value	0
Non-qualifying strategies | Credit default swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	212	207
Net Derivatives Fair Value	(1)	(3)
Asset Derivatives Fair Value	1	1
Liability Derivatives Fair Value	(2)	(4)
Non-qualifying strategies | Futures
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	5,815
Net Derivatives Fair Value	(7)
Asset Derivatives Fair Value	0
Liability Derivatives Fair Value	$ (7)