v2.4.0.8

Commitments, Contingencies, And Guarantees (Balance Sheet Locations, Fair Values In Asset Or (Liability) Position, And Notional Values/Payment Provisions Of Derivative Instruments) (Detail) (USD $) In Millions, unless otherwise specified | Sep. 30, 2014 | Dec. 31, 2013
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Foreign Exchange Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | $ 1,010 |  | $ 1,202 |
Cross Currency Swap [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 95 |  | 50 |
Futures Contracts On Money Market Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 1,000 |  | 3,910 |
Futures contracts on notes and bonds [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 1,145 |  | 871 |
Convertibles and Bonds with Warrants Attached [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 268 | [1] | 254 | [1]
Investment And Embedded Derivative Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 326 |  | 321 |
Notional Value/Payment Provision | 3,518 |  | 6,287 |
Single-Stock Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 1,427 | [2] | 1,692 | [2]
Options On Equity Market Indices [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 250 | [2] | 250 | [2]
Other Derivatives [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 8 |  | 8 |
Other Derivative Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 1,685 |  | 1,950 |
Guaranteed Living Benefits [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Notional Value/Payment Provision | 409 | [3] | 277 | [3]
Other Assets [Member] | Foreign Exchange Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 14 |  | 3 |
Other Assets [Member] | Futures Contracts On Money Market Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 2 |  | 3 |
Other Assets [Member] | Futures contracts on notes and bonds [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 7 |  | 13 |
Other Assets [Member] | Single-Stock Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 11 | [2] | 0 | [2]
Other Assets [Member] | Options On Equity Market Indices [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 2 | [2] | 6 | [2]
Other Assets [Member] | Other Derivatives [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 0 |  |  |
Other Assets [Member] | Other Derivative Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 13 |  | 6 |
Other Assets [Member] | Guaranteed Living Benefits [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 0 | [3] | 0 | [3]
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Foreign Exchange Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | (2) |  | (4) |
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Futures Contracts On Money Market Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | 0 |  | 0 |
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Futures contracts on notes and bonds [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | (3) |  | (2) |
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Convertibles and Bonds with Warrants Attached [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | 0 | [1] | 0 | [1]
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Investment And Embedded Derivative Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | (5) |  | (6) |
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Single-Stock Future [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | 0 | [2] | (60) | [2]
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Options On Equity Market Indices [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | 0 | [2] | 0 | [2]
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Other Derivatives [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | (2) |  | (2) |
Accounts Payable, Accrued Expenses, And Other Liabilities [Member] | Other Derivative Instruments [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | (2) |  | (62) |
Fixed Maturities Available For Sale [Member] | Convertibles and Bonds with Warrants Attached [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Asset | 303 | [1] | 302 | [1]
Accounts Payable Future Policy Benefits [Member] | Guaranteed Living Benefits [Member] |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |
Derivative Fair Value, Liability | $ (566) | [3] | $ (427) | [3]
[1] | (1) Includes fair value of embedded derivatives.
[2] | (2) Related to GMDB and GLB blocks of business.
[3] | (3) Includes both future policy benefits reserves and fair value derivative adjustment. Refer to Note 5 for additional information. Note that the payment provision related to GLB is the net amount at risk. The concept of a notional value does not apply to the GLB reinsurance contracts.

X
- 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 liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226003-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 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=35706170&loc=SL5624163-113959 + Details
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- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 Reference 2: 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=35706170&loc=SL5624163-113959 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226000-175313 + Details
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