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DERIVATIVE INSTRUMENTS - Maximum Potential Risk, Fair Value, Weighted-Average Years to Maturity, and Underlying Referenced Credit Obligation Type for Credit Default Swaps (Detail) (Corporate Bonds, USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2014 | Dec. 31, 2013
Credit Derivatives [Line Items] |  |
Maximum potential risk | $ (212) | $ (207)
Estimated fair value | (1) | (3)
Less than one year |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | (115) | 0
Estimated fair value | 1 | 0
One to three years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | (112)
Estimated fair value | 0 | 1
Three to five years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | (97) | 0
Estimated fair value | (2) | 0
Five to ten years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | (95)
Estimated fair value | 0 | (4)
A |  |
Credit Derivatives [Line Items] |  |
Credit Rating | A | A
Maximum potential risk | (115) | (112)
Estimated fair value | 1 | 1
A | Less than one year |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | (115) | 0
Estimated fair value | 1 | 0
A | One to three years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | (112)
Estimated fair value | 0 | 1
A | Three to five years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | 0
Estimated fair value | 0 | 0
A | Five to ten years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | 0
Estimated fair value | 0 | 0
BBB |  |
Credit Derivatives [Line Items] |  |
Credit Rating | BBB | BBB
Maximum potential risk | (97) | (95)
Estimated fair value | (2) | (4)
BBB | Less than one year |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | 0
Estimated fair value | 0 | 0
BBB | One to three years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | 0
Estimated fair value | 0 | 0
BBB | Three to five years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | (97) | 0
Estimated fair value | (2) | 0
BBB | Five to ten years |  |
Credit Derivatives [Line Items] |  |
Maximum potential risk | 0 | (95)
Estimated fair value | $ 0 | $ (4)

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- Definition Maximum potential amount of future undiscounted payments that could be required under the credit derivative, before reduction for potential recoveries under recourse or collateralization provisions. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5708775-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Credit Derivative -URI http://asc.fasb.org/extlink&oid=6854095 + Details
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- Details
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- Definition Fair value of credit risk derivative asset after deduction of credit risk derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13433-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5708775-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13495-108611 + Details
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- Definition Description of the credit rating indicative of likelihood of repayment of the debt instrument given by a credit rating agency (for example, Standard and Poor's, Moody's, Fitch). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 + Details
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