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Consolidated Statements Of Operations (USD $) In Millions, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Change in fair value of insured derivatives: |  |  |  |  |  |
Realized gains (losses) and other settlements on insured derivatives |  |  |  |  | $ 607 |
Unrealized gains (losses) on insured derivatives | 1,870 |  | (441) |  | (607) |
Investment losses related to other-than-temporary impairments: |  |  |  |  |  |
Net gains (losses) on extinguishment of debt | 49 |  | 26 |  | 60 |
Total revenues | 2,435 |  | (1,557) |  | 894 |
Expenses: |  |  |  |  |  |
Losses and loss adjustment | 50 |  |  |  |  |
Total expenses | 837 |  | 682 |  | 989 |
Income (loss) before income taxes | 1,598 |  | (2,239) |  | (95) |
Provision (benefit) for income taxes | 364 |  | (920) |  | (148) |
Net income (loss) | 1,234 |  | (1,319) |  | 53 |
Net income (loss) per common share: |  |  |  |  |  |
Basic | $ 6.36 |  | $ (6.69) |  | $ 0.26 |
Diluted | $ 6.33 |  | $ (6.69) |  | $ 0.26 |
Weighted average number of common shares outstanding: |  |  |  |  |  |
Basic | 193,842,435 | [1] | 197,019,968 | [1] | 202,421,433 | [1]
Diluted | 194,904,830 |  | 197,019,968 |  | 203,021,134 |
Non Variable Interest Entities [Member] |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |
Scheduled premiums earned | 372 |  | 456 |  | 504 |
Refunding premiums earned | 233 |  | 149 |  | 90 |
Premiums earned (net of ceded premiums of $14, $12 and $28) | 605 |  | 605 |  | 594 |
Net investment income | 214 |  | 383 |  | 457 |
Fees and reimbursements | 61 |  | 50 |  | 160 |
Change in fair value of insured derivatives: |  |  |  |  |  |
Realized gains (losses) and other settlements on insured derivatives | (406) |  | (2,371) |  | (162) |
Unrealized gains (losses) on insured derivatives | 1,870 |  | (441) |  | (607) |
Net change in fair value of insured derivatives | 1,464 |  | (2,812) |  | (769) |
Net gains (losses) on financial instruments at fair value and foreign exchange | 55 |  | (99) |  | 88 |
Investment losses related to other-than-temporary impairments: |  |  |  |  |  |
Investment losses related to other-than-temporary impairments | (58) |  | (125) |  | (206) |
Other-than-temporary impairments recognized in accumulated other comprehensive income (loss) | (47) |  | 24 |  | 142 |
Net investment losses related to other-than-temporary impairments | (105) |  | (101) |  | (64) |
Net gains (losses) on extinguishment of debt |  |  | 26 |  | 35 |
Other net realized gains (losses) | 7 |  | (1) |  | 29 |
Expenses: |  |  |  |  |  |
Losses and loss adjustment | 50 |  | (80) |  | 232 |
Amortization of deferred acquisition costs | 50 |  | 63 |  | 59 |
Operating | 381 |  | 308 |  | 290 |
Interest | 284 |  | 300 |  | 325 |
Variable Interest Entity [Member] |  |  |  |  |  |
Premiums earned: |  |  |  |  |  |
Net investment income | 67 |  | 70 |  | 73 |
Change in fair value of insured derivatives: |  |  |  |  |  |
Net gains (losses) on financial instruments at fair value and foreign exchange | 18 |  | 59 |  | 342 |
Investment losses related to other-than-temporary impairments: |  |  |  |  |  |
Net gains (losses) on extinguishment of debt | 49 |  |  |  | 25 |
Other net realized gains (losses) |  |  | 263 |  | (76) |
Expenses: |  |  |  |  |  |
Operating | 17 |  | 29 |  | 24 |
Interest | $ 55 |  | $ 62 |  | $ 59 |
[1] | Includes 5,514,523, 5,080,742 and 5,325,428 of unvested restricted stock and units that receive nonforfeitable dividends or dividend equivalents for the years ended December 31, 2012, 2011 and 2010, respectively.

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- Definition Total of fees collected for services performed in connection with certain insurance related transactions and investment management services, both of which are earned in the current period or deferred and earned over the life of the related transaction. Also included are work, wavier and consent, termination, administrative and management fees, and fees from reinsurance commutations that are earned when the related services are completed and the fees are received. + References No definition available. + Details
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