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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, 2013 | Dec. 31, 2012
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Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | $ 15,085 | $ 13,370
Net Derivatives Fair Value | (213) | (589)
Asset Derivatives Fair Value | 430 | 345
Liability Derivatives Fair Value | (643) | (934)
Other assets |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 4,831 | 2,585
Net Derivatives Fair Value | 430 | 345
Asset Derivatives Fair Value | 430 | 345
Liability Derivatives Fair Value | 0 | 0
Other liabilities |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 10,254 | 10,785
Net Derivatives Fair Value | (643) | (934)
Asset Derivatives Fair Value | 0 | 0
Liability Derivatives Fair Value | (643) | (934)
Cash flow hedges |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 133 | 139
Net Derivatives Fair Value | 7 | 14
Asset Derivatives Fair Value | 7 | 14
Liability Derivatives Fair Value | 0 | 0
Cash flow hedges | Interest rate swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 58 | 64
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 | 7 | 14
Asset Derivatives Fair Value | 7 | 14
Liability Derivatives Fair Value | 0 | 0
Fair value hedges |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 8,661 | 6,944
Net Derivatives Fair Value | (253) | (535)
Asset Derivatives Fair Value | 19 | 0
Liability Derivatives Fair Value | (272) | (535)
Fair value hedges | Foreign currency forwards |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 8,661 | 6,944
Net Derivatives Fair Value | (253) | (535)
Asset Derivatives Fair Value | 19 | 0
Liability Derivatives Fair Value | (272) | (535)
Non-qualifying strategies |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 6,291 | 6,287
Net Derivatives Fair Value | 33 | (68)
Asset Derivatives Fair Value | 404 | 331
Liability Derivatives Fair Value | (371) | (399)
Non-qualifying strategies | Interest rate swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 336 | 355
Net Derivatives Fair Value | 25 | 29
Asset Derivatives Fair Value | 26 | 32
Liability Derivatives Fair Value | (1) | (3)
Non-qualifying strategies | Foreign currency swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 5,352 | 5,577
Net Derivatives Fair Value | 60 | (32)
Asset Derivatives Fair Value | 374 | 297
Liability Derivatives Fair Value | (314) | (329)
Non-qualifying strategies | Foreign currency options |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 266 |
Net Derivatives Fair Value | 2 |
Asset Derivatives Fair Value | 2 |
Liability Derivatives Fair Value | 0 |
Non-qualifying strategies | Credit default swaps |  |
Derivatives, Fair Value [Line Items] |  |
Net Derivatives Notional Amount | 337 | 355
Net Derivatives Fair Value | (54) | (65)
Asset Derivatives Fair Value | 2 | 2
Liability Derivatives Fair Value | $ (56) | $ (67)

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References 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 + Details
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- Definition Fair value of derivative asset, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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- Definition Fair value of derivative liability, presented on a gross basis even when the derivative instrument is subject to master netting arrangements and qualifies for net presentation in the statement of financial position. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 205G -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 133 -Paragraph 44C -Subparagraph a -Clause 1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 + Details
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