v2.4.0.8

Commitments, Contingencies, And Guarantees (Net Realized Gains (Losses) Of Derivative Instrument Activity In Consolidated Statement Of Operations) (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | $ (63) |  | $ 42 |  | $ (233) |  | $ 210 |
Foreign Exchange Future [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | 19 |  | (9) |  | 15 |  | 8 |
All Other Futures Contracts And Options [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (15) |  | 6 |  | (55) |  | 46 |
Convertibles and Bonds with Warrants Attached [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (17) | [1] | 6 | [1] | (13) | [1] | 7 | [1]
TBAs [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | 0 |  | 1 |  | 0 |  | 1 |
Investment And Embedded Derivative Instruments [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (13) |  | 4 |  | (53) |  | 62 |
Guaranteed Living Benefits [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (80) | [2] | 134 | [2] | (126) | [2] | 563 | [2]
Single-Stock Future [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (15) | [3] | (90) | [3] | (103) | [3] | (393) | [3]
Options On Equity Market Indices [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | 0 | [3] | (5) | [3] | (3) | [3] | (20) | [3]
Guaranteed Living Benefit And Other Derivative Instruments [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | (50) |  | 38 |  | (180) |  | 148 |
Other Derivatives [Member] |  |  |  |  |  |  |  |
Commitments Contingencies And Guarantees [Line Items] |  |  |  |  |  |  |  |
Net realized gains (losses) | $ 45 |  | $ (1) |  | $ 52 |  | $ (2) |
[1] | (1) Includes embedded derivatives.
[2] | (2) Excludes foreign exchange gains (losses) related to GLB
[3] | (3) Related to GMDB and GLB blocks of business.

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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