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	Dec. 31, 2016	Dec. 31, 2015
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	$ 43,927	$ 22,127
Net Derivatives Fair Value	(791)	305
Derivative asset, fair value, gross asset including not subject to master netting arrangement	1,207	676
Derivative liability, fair value, gross liability including not subject to master netting arrangement	1,998	371
Asset Derivatives Fair Value	1,080	574
Liability Derivatives Fair Value	(1,852)	(78)
Other assets
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	18,329	11,413
Net Derivatives Fair Value	1,207	676
Asset Derivatives Fair Value	1,207	676
Liability Derivatives Fair Value	0	0
Other Liabilities
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	25,598	10,714
Net Derivatives Fair Value	(1,998)	(371)
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	(1,998)	(371)
Cash flow hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	75	75
Net Derivatives Fair Value	(10)	(15)
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	(10)	(15)
Cash flow hedges \| Foreign currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	75	75
Net Derivatives Fair Value	(10)	(15)
Asset Derivatives Fair Value	0	0
Liability Derivatives Fair Value	(10)	(15)
Fair value hedges
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	15,189	14,330
Net Derivatives Fair Value	(789)	45
Asset Derivatives Fair Value	2	88
Liability Derivatives Fair Value	(791)	(43)
Fair value hedges \| Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	10,965	13,080
Net Derivatives Fair Value	(759)	45
Asset Derivatives Fair Value	0	88
Liability Derivatives Fair Value	(759)	(43)
Fair value hedges \| Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	4,224	1,250
Net Derivatives Fair Value	(30)	0
Asset Derivatives Fair Value	2	0
Liability Derivatives Fair Value	(32)	0
Net investment hedge
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	1,052	1,029
Net Derivatives Fair Value	27	10
Asset Derivatives Fair Value	46	24
Liability Derivatives Fair Value	(19)	(14)
Net investment hedge \| Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	209	763
Net Derivatives Fair Value	3	13
Asset Derivatives Fair Value	5	19
Liability Derivatives Fair Value	(2)	(6)
Net investment hedge \| Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	843	266
Net Derivatives Fair Value	24	(3)
Asset Derivatives Fair Value	41	5
Liability Derivatives Fair Value	(17)	(8)
Non-qualifying strategies
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	27,611	6,693
Net Derivatives Fair Value	(19)	265
Asset Derivatives Fair Value	1,159	564
Liability Derivatives Fair Value	(1,178)	(299)
Non-qualifying strategies \| Foreign currency swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	6,266	6,599
Net Derivatives Fair Value	270	264
Asset Derivatives Fair Value	490	563
Liability Derivatives Fair Value	(220)	(299)
Non-qualifying strategies \| Foreign currency forwards
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	21,218	11
Net Derivatives Fair Value	(289)	0
Asset Derivatives Fair Value	667	0
Liability Derivatives Fair Value	(956)	0
Non-qualifying strategies \| Foreign currency options
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	41
Net Derivatives Fair Value	(2)
Asset Derivatives Fair Value	0
Liability Derivatives Fair Value	(2)
Non-qualifying strategies \| Credit default swaps
Derivatives, Fair Value [Line Items]
Net Derivatives Notional Amount	86	83
Net Derivatives Fair Value	2	1
Asset Derivatives Fair Value	2	1
Liability Derivatives Fair Value	$ 0	$ 0

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 13
-Sentence Column B

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