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Business Segments (Tables) | 12 Months Ended
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Dec. 31, 2012
Summary Of Company's Segment Results |
|  | Year Ended December 31, 2012 |
|  | U.S. Public |  |  | Structured Finance and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Finance |  |  | International |  |  | Advisory |  |  |  |  |  | Wind-down |  |  |  |  |  |  |
In millions |  | Insurance |  |  | Insurance |  |  | Services |  |  | Corporate |  |  | Operations |  |  | Eliminations |  |  | Consolidated |
Revenues(1) |  | $ | 548 |  |  | $ | 243 |  |  | $ | 21 |  |  | $ | 15 |  |  | $ | 53 |  |  | $ | — |  |  | $ | 880 |
Realized gains (losses) and other settlements on insured derivatives |  |  | 1 |  |  |  | (407) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (406) |
Unrealized gains (losses) on insured derivatives |  |  | — |  |  |  | 1,870 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 1,870 |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | 121 |  |  |  | 93 |  |  |  | (1) |  |  |  | 18 |  |  |  | (176) |  |  |  | — |  |  |  | 55 |
Net investment losses related to other-than-temporary impairments |  |  | — |  |  |  | (45) |  |  |  | — |  |  |  | (4) |  |  |  | (56) |  |  |  | — |  |  |  | (105) |
Net gains (losses) on extinguishment of debt |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2) |  |  |  | 2 |  |  |  | — |  |  |  | — |
Other net realized gains (losses) |  |  | — |  |  |  | 1 |  |  |  | — |  |  |  | 5 |  |  |  | 1 |  |  |  | — |  |  |  | 7 |
Revenues of consolidated VIEs |  |  | — |  |  |  | 71 |  |  |  | — |  |  |  | — |  |  |  | 63 |  |  |  | — |  |  |  | 134 |
Inter-segment revenues(2) |  |  | 168 |  |  |  | 45 |  |  |  | 34 |  |  |  | 176 |  |  |  | (14) |  |  |  | (409) |  |  |  | — |
Total revenues |  |  | 838 |  |  |  | 1,871 |  |  |  | 54 |  |  |  | 208 |  |  |  | (127) |  |  |  | (409) |  |  |  | 2,435 |
Losses and loss adjustment |  |  | 21 |  |  |  | 29 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 50 |
Operating |  |  | 124 |  |  |  | 147 |  |  |  | 46 |  |  |  | 109 |  |  |  | 5 |  |  |  | — |  |  |  | 431 |
Interest |  |  | — |  |  |  | 132 |  |  |  | — |  |  |  | 57 |  |  |  | 95 |  |  |  | — |  |  |  | 284 |
Expenses of consolidated VIEs |  |  | — |  |  |  | 59 |  |  |  | — |  |  |  | — |  |  |  | 13 |  |  |  | — |  |  |  | 72 |
Inter-segment expenses(2) |  |  | 124 |  |  |  | 208 |  |  |  | 13 |  |  |  | 14 |  |  |  | 116 |  |  |  | (475) |  |  |  | — |
Total expenses |  |  | 269 |  |  |  | 575 |  |  |  | 59 |  |  |  | 180 |  |  |  | 229 |  |  |  | (475) |  |  |  | 837 |
Income (loss) before income taxes |  | $ | 569 |  |  | $ | 1,296 |  |  | $ | (5) |  |  | $ | 28 |  |  | $ | (356) |  |  | $ | 66 |  |  | $ | 1,598 |
Identifiable assets |  | $ | 6,887 |  |  | $ | 17,264 |  |  | $ | 46 |  |  | $ | 828 |  |  | $ | 2,539 |  |  | $ | (5,840) | (3) |  | $ | 21,724 |
(1)—Represents the sum of third-party financial guarantee net premiums earned, net investment income, insurance-related fees and reimbursements, investment management fees and other fees. (2)—Represents intercompany premium income and expense, intercompany asset management fees and expenses, intercompany interest income, expenses pertaining to intercompany receivables and payables and intercompany loans. (3)—Consists of intercompany reinsurance balances, repurchase agreements, deferred taxes, and loans.
|  | Year Ended December 31, 2011 |
|  | U.S. Public |  |  | Structured Finance and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Finance |  |  | International |  |  | Advisory |  |  |  |  |  | Wind-down |  |  |  |  |  |  |
In millions |  | Insurance |  |  | Insurance |  |  | Services |  |  | Corporate |  |  | Operations |  |  | Eliminations |  |  | Consolidated |
Revenues(1) |  | $ | 599 |  |  | $ | 319 |  |  | $ | 26 |  |  | $ | 4 |  |  | $ | 90 |  |  | $ | — |  |  | $ | 1,038 |
Realized gains (losses) and other settlements on insured derivatives |  |  | 2 |  |  |  | (2,373) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (2,371) |
Unrealized gains (losses) on insured derivatives |  |  | — |  |  |  | (441) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (441) |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | 96 |  |  |  | 58 |  |  |  | — |  |  |  | 23 |  |  |  | (276) |  |  |  | — |  |  |  | (99) |
Net investment losses related to other-than-temporary impairments |  |  | — |  |  |  | (62) |  |  |  | — |  |  |  | (8) |  |  |  | (31) |  |  |  | — |  |  |  | (101) |
Net gains (losses) on extinguishment of debt |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 24 |  |  |  | 2 |  |  |  | 26 |
Other net realized gains (losses) |  |  | (31) |  |  |  | 1 |  |  |  | — |  |  |  | 25 |  |  |  | 4 |  |  |  | — |  |  |  | (1) |
Revenues of consolidated VIEs |  |  | — |  |  |  | 361 |  |  |  | — |  |  |  | — |  |  |  | 31 |  |  |  | — |  |  |  | 392 |
Inter-segment revenues(2) |  |  | 79 |  |  |  | 91 |  |  |  | 41 |  |  |  | 152 |  |  |  | (23) |  |  |  | (340) |  |  |  | — |
Total revenues |  |  | 745 |  |  |  | (2,046) |  |  |  | 67 |  |  |  | 196 |  |  |  | (181) |  |  |  | (338) |  |  |  | (1,557) |
Losses and loss adjustment |  |  | 4 |  |  |  | (84) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (80) |
Operating |  |  | 52 |  |  |  | 166 |  |  |  | 58 |  |  |  | 92 |  |  |  | 3 |  |  |  | — |  |  |  | 371 |
Interest |  |  | — |  |  |  | 133 |  |  |  | — |  |  |  | 58 |  |  |  | 109 |  |  |  | — |  |  |  | 300 |
Expenses of consolidated VIEs |  |  | — |  |  |  | 70 |  |  |  | — |  |  |  | — |  |  |  | 21 |  |  |  | — |  |  |  | 91 |
Inter-segment expenses(2) |  |  | 114 |  |  |  | 124 |  |  |  | 6 |  |  |  | 22 |  |  |  | 95 |  |  |  | (361) |  |  |  | — |
Total expenses |  |  | 170 |  |  |  | 409 |  |  |  | 64 |  |  |  | 172 |  |  |  | 228 |  |  |  | (361) |  |  |  | 682 |
Income (loss) before income taxes |  | $ | 575 |  |  | $ | (2,455) |  |  | $ | 3 |  |  | $ | 24 |  |  | $ | (409) |  |  | $ | 23 |  |  | $ | (2,239) |
Identifiable assets |  | $ | 7,848 |  |  | $ | 19,985 |  |  | $ | 53 |  |  | $ | 829 |  |  | $ | 5,203 |  |  | $ | (7,045) | (3) |  | $ | 26,873 |
(1)—Represents the sum of third-party financial guarantee net premiums earned, net investment income, insurance-related fees and reimbursements, investment management fees and other fees. (2)—Represents intercompany premium income and expense, intercompany asset management fees and expenses, and intercompany interest income and expense pertaining to intercompany receivables and payables. (3)—Consists of intercompany reinsurance balances, repurchase agreements and loans.
|  | Year Ended December 31, 2010 |
|  | U.S. Public |  |  | Structured Finance and |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Finance |  |  | International |  |  | Advisory |  |  |  |  |  | Wind-down |  |  |  |  |  |  |
In millions |  | Insurance |  |  | Insurance |  |  | Services |  |  | Corporate |  |  | Operations |  |  | Eliminations |  |  | Consolidated |
Revenues(1) |  | $ | 601 |  |  | $ | 463 |  |  | $ | 30 |  |  | $ | 4 |  |  | $ | 113 |  |  | $ | — |  |  | $ | 1,211 |
Realized gains (losses) and other settlements on insured derivatives |  |  | 1 |  |  |  | (163) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (162) |
Unrealized gains (losses) on insured derivatives |  |  | — |  |  |  | (607) |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | (607) |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | 55 |  |  |  | 135 |  |  |  | 2 |  |  |  | (28) |  |  |  | (76) |  |  |  | — |  |  |  | 88 |
Net investment losses related to other-than-temporary impairments |  |  | — |  |  |  | (5) |  |  |  | — |  |  |  | — |  |  |  | (59) |  |  |  | — |  |  |  | (64) |
Net gains (losses) on extinguishment of debt |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 35 |  |  |  | — |  |  |  | 35 |
Other net realized gains (losses) |  |  | — |  |  |  | 29 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 29 |
Revenues of consolidated VIEs |  |  | — |  |  |  | 246 |  |  |  | — |  |  |  | — |  |  |  | 96 |  |  |  | 22 |  |  |  | 364 |
Inter-segment revenues(2) |  |  | 93 |  |  |  | 113 |  |  |  | 38 |  |  |  | 94 |  |  |  | (18) |  |  |  | (320) |  |  |  | — |
Total revenues |  |  | 750 |  |  |  | 211 |  |  |  | 70 |  |  |  | 70 |  |  |  | 91 |  |  |  | (298) |  |  |  | 894 |
Losses and loss adjustment |  |  | 73 |  |  |  | 159 |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |  |  |  | 232 |
Operating |  |  | 43 |  |  |  | 149 |  |  |  | 64 |  |  |  | 89 |  |  |  | 4 |  |  |  | — |  |  |  | 349 |
Interest |  |  | — |  |  |  | 135 |  |  |  | — |  |  |  | 65 |  |  |  | 125 |  |  |  | — |  |  |  | 325 |
Expenses of consolidated VIEs |  |  | — |  |  |  | 64 |  |  |  | — |  |  |  | — |  |  |  | 19 |  |  |  | — |  |  |  | 83 |
Inter-segment expenses(2) |  |  | 104 |  |  |  | 135 |  |  |  | 7 |  |  |  | 14 |  |  |  | 60 |  |  |  | (320) |  |  |  | — |
Total expenses |  |  | 220 |  |  |  | 642 |  |  |  | 71 |  |  |  | 168 |  |  |  | 208 |  |  |  | (320) |  |  |  | 989 |
Income (loss) before income taxes |  | $ | 530 |  |  | $ | (431) |  |  | $ | (1) |  |  | $ | (98) |  |  | $ | (117) |  |  | $ | 22 |  |  | $ | (95) |
Identifiable assets |  | $ | 8,436 |  |  | $ | 23,980 |  |  | $ | 54 |  |  | $ | 653 |  |  | $ | 6,432 |  |  | $ | (7,276) | (3) |  | $ | 32,279 |
(1)—Represents | the sum of third-party financial guarantee net premiums earned, net investment income, insurance-related fees and reimbursements, investment management fees and other fees.
(2)—Represents | intercompany premium income and expense, intercompany asset management fees and expenses, and intercompany interest income and expense pertaining to intercompany receivables and payables.
(3)—Consists | of intercompany reinsurance balances, repurchase agreements and loans.
Summary Of Premiums Earned On Financial Guarantees And Insured Derivatives By Geographic Location Of Risk |
|  | Years Ended December 31, |
In millions |  | 2012 |  |  | 2011 |  |  | 2010 |
Total premiums earned: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 530 |  |  | $ | 545 |  |  | $ | 555 |
United Kingdom |  |  | 36 |  |  |  | 37 |  |  |  | 35 |
Europe (excluding United Kingdom) |  |  | 15 |  |  |  | 29 |  |  |  | 23 |
Internationally diversified |  |  | 16 |  |  |  | 33 |  |  |  | 41 |
Central and South America |  |  | 48 |  |  |  | 36 |  |  |  | 40 |
Asia |  |  | 5 |  |  |  | 15 |  |  |  | 9 |
Other |  |  | 11 |  |  |  | 13 |  |  |  | 11 |
Total |  | $ | 661 |  |  | $ | 708 |  |  | $ | 714 |
Summary Of Segments Within Wind-Down Operations |
|  | Year Ended December 31, 2012 |
|  | Asset / |  |  |  |  |  |  |  |  | Total Wind- |
|  | Liability |  |  |  |  |  |  |  |  | down |
In millions |  | Products |  |  | Conduits |  |  | Eliminations |  |  | Operations |
Revenues(1) |  | $ | 53 |  |  | $ | — |  |  | $ | — |  |  | $ | 53 |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | (176) |  |  |  | — |  |  |  | — |  |  |  | (176) |
Net investment losses related to other-than-temporary impairments |  |  | (56) |  |  |  | — |  |  |  | — |  |  |  | (56) |
Net gains (losses) on extinguishment of debt |  |  | 2 |  |  |  | — |  |  |  | — |  |  |  | 2 |
Other net realized gains (losses) |  |  | 1 |  |  |  | — |  |  |  | — |  |  |  | 1 |
Revenues of consolidated VIEs |  |  | — |  |  |  | 63 |  |  |  | — |  |  |  | 63 |
Inter-segment revenues(2) |  |  | (10) |  |  |  | (2) |  |  |  | (2) |  |  |  | (14) |
Total revenues |  |  | (186) |  |  |  | 61 |  |  |  | (2) |  |  |  | (127) |
Operating |  |  | 5 |  |  |  | — |  |  |  | — |  |  |  | 5 |
Interest |  |  | 95 |  |  |  | — |  |  |  | — |  |  |  | 95 |
Expenses of consolidated VIEs |  |  | — |  |  |  | 13 |  |  |  | — |  |  |  | 13 |
Inter-segment expenses(2) |  |  | 19 |  |  |  | 97 |  |  |  | — |  |  |  | 116 |
Total expenses |  |  | 119 |  |  |  | 110 |  |  |  | — |  |  |  | 229 |
Income (loss) before income taxes |  | $ | (305) |  |  | $ | (49) |  |  | $ | (2) |  |  | $ | (356) |
Identifiable assets |  | $ | 1,877 |  |  | $ | 694 |  |  | $ | (32) |  |  | $ | 2,539 |
(1)—Represents the sum of third-party interest income, investment management services fees and other fees. (2)—Represents intercompany asset management fees and expenses plus intercompany interest income and expense pertaining to intercompany debt.
|  | Year Ended December 31, 2011 |
|  | Asset / |  |  |  |  |  |  |  |  | Total Wind- |
|  | Liability |  |  |  |  |  |  |  |  | down |
In millions |  | Products |  |  | Conduits |  |  | Eliminations |  |  | Operations |
Revenues(1) |  | $ | 90 |  |  | $ | — |  |  | $ | — |  |  | $ | 90 |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | (276) |  |  |  | — |  |  |  | — |  |  |  | (276) |
Net investment losses related to other-than-temporary impairments |  |  | (31) |  |  |  | — |  |  |  | — |  |  |  | (31) |
Net gains (losses) on extinguishment of debt |  |  | 24 |  |  |  | — |  |  |  | — |  |  |  | 24 |
Other net realized gains (losses) |  |  | 4 |  |  |  | — |  |  |  | — |  |  |  | 4 |
Revenues of consolidated VIEs |  |  | 11 |  |  |  | 20 |  |  |  | — |  |  |  | 31 |
Inter-segment revenues(2) |  |  | (19) |  |  |  | (4) |  |  |  | — |  |  |  | (23) |
Total revenues |  |  | (197) |  |  |  | 16 |  |  |  | — |  |  |  | (181) |
Operating |  |  | 3 |  |  |  | — |  |  |  | — |  |  |  | 3 |
Interest |  |  | 109 |  |  |  | — |  |  |  | — |  |  |  | 109 |
Expenses of consolidated VIEs |  |  | 2 |  |  |  | 19 |  |  |  | — |  |  |  | 21 |
Inter-segment expenses(2) |  |  | 29 |  |  |  | 66 |  |  |  | — |  |  |  | 95 |
Total expenses |  |  | 143 |  |  |  | 85 |  |  |  | — |  |  |  | 228 |
Income (loss) before income taxes |  | $ | (340) |  |  | $ | (69) |  |  | $ | — |  |  | $ | (409) |
Identifiable assets |  | $ | 3,752 |  |  | $ | 1,531 |  |  | $ | (80) |  |  | $ | 5,203 |
(1)—Represents the sum of third-party interest income, investment management services fees and other fees. (2)—Represents intercompany asset management fees and expenses plus intercompany interest income and expense pertaining to intercompany debt.
|  | Year Ended December 31, 2010 |
|  | Asset / |  |  |  |  |  |  |  |  | Total Wind- |
|  | Liability |  |  |  |  |  |  |  |  | down |
In millions |  | Products |  |  | Conduits |  |  | Eliminations |  |  | Operations |
Revenues(1) |  | $ | 109 |  |  | $ | 4 |  |  | $ | — |  |  | $ | 113 |
Net gains (losses) on financial instruments at fair value and foreign exchange |  |  | (76) |  |  |  | — |  |  |  | — |  |  |  | (76) |
Net investment losses related to other-than-temporary impairments |  |  | (59) |  |  |  | — |  |  |  | — |  |  |  | (59) |
Net gains (losses) on extinguishment of debt |  |  | 35 |  |  |  | — |  |  |  | — |  |  |  | 35 |
Revenues of consolidated VIEs |  |  | 44 |  |  |  | 52 |  |  |  | — |  |  |  | 96 |
Inter-segment revenues(2) |  |  | (13) |  |  |  | (4) |  |  |  | (1) |  |  |  | (18) |
Total revenues |  |  | 40 |  |  |  | 52 |  |  |  | (1) |  |  |  | 91 |
Operating |  |  | 5 |  |  |  | (1) |  |  |  | — |  |  |  | 4 |
Interest |  |  | 125 |  |  |  | — |  |  |  | — |  |  |  | 125 |
Expenses of consolidated VIEs |  |  | — |  |  |  | 19 |  |  |  | — |  |  |  | 19 |
Inter-segment expenses(2) |  |  | 58 |  |  |  | 3 |  |  |  | (1) |  |  |  | 60 |
Total expenses |  |  | 188 |  |  |  | 21 |  |  |  | (1) |  |  |  | 208 |
Income (loss) before income taxes |  | $ | (148) |  |  | $ | 31 |  |  | $ | — |  |  | $ | (117) |
Identifiable assets |  | $ | 5,125 |  |  | $ | 1,565 |  |  | $ | (258) |  |  | $ | 6,432 |
(1)—Represents the sum of third-party interest income, investment management services fees and other fees. (2)—Represents intercompany asset management fees and expenses plus intercompany interest income and expense pertaining to intercompany debt.

X
- Definition This element shows Premiums earned on financial guarantees and insured derivatives within the company's insurance segments by geographic location of risk. + References No definition available. + Details
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- Definition This element may be used to capture the complete disclosure for the identification, description and amounts of all significant reconciling items in the reconciliation of total profit or loss from the segments within the wind-down operations to the total of all wind-down operations income before income taxes, extraordinary items, discontinued operations and the cumulative effect of changes in accounting principles. + References No definition available. + Details
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- Definition Tabular disclosure of all significant reconciling items in the reconciliation of total profit or loss from reportable segments, to the entity's consolidated income before income taxes, extraordinary items, and discontinued operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 32 -Subparagraph b -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. + Details
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