XML 77 R24.htm IDEA: XBRL DOCUMENT
v2.3.0.15

Variable Interest Entities (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2011
Variable Interest Entities [Abstract] |
Summary Of Nonconsolidated VIEs Assets And Liabilities |
|  | September 30, 2011 |
|  |  |  |  |  |  |  | Carrying Value of Assets |  |  | Carrying Value of Liabilities |
In millions |  | VIE Assets |  |  | Maximum Exposure to Loss |  |  | Investments (1) |  |  | Premiums Receivable (2) |  |  | Insurance Loss Recoverable (3) |  |  | Unearned Premium Revenue (4) |  |  | Loss and Loss Adjustment Expense Reserves (5) |  |  | Derivative Liabilities (6) |
Insurance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Global structured finance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Collateralized debt obligations |  | $ | 27,830 |  |  | $ | 15,690 |  |  | $ | 61 |  |  | $ | 66 |  |  | $ | - |  |  | $ | 57 |  |  | $ | - |  |  | $ | 122 |
Mortgage-backed residential |  |  | 49,725 |  |  |  | 16,537 |  |  |  | 63 |  |  |  | 88 |  |  |  | 2,505 |  |  |  | 87 |  |  |  | 469 |  |  |  | 4 |
Mortgage-backed commercial |  |  | 5,293 |  |  |  | 2,906 |  |  |  | - |  |  |  | 2 |  |  |  | - |  |  |  | 2 |  |  |  | - |  |  |  | - |
Consumer asset-backed |  |  | 8,396 |  |  |  | 4,854 |  |  |  | 17 |  |  |  | 27 |  |  |  | - |  |  |  | 26 |  |  |  | 30 |  |  |  | - |
Corporate asset-backed |  |  | 30,640 |  |  |  | 16,235 |  |  |  | 245 |  |  |  | 209 |  |  |  | 27 |  |  |  | 224 |  |  |  | - |  |  |  | 1 |
Total global structured finance |  | $ | 121,884 |  |  | $ | 56,222 |  |  | $ | 386 |  |  | $ | 392 |  |  | $ | 2,532 |  |  | $ | 396 |  |  | $ | 499 |  |  | $ | 127 |
Global public finance |  |  | 41,272 |  |  |  | 21,879 |  |  |  | - |  |  |  | 211 |  |  |  | - |  |  |  | 265 |  |  |  | - |  |  |  | - |
Total insurance |  | $ | 163,156 |  |  | $ | 78,101 |  |  | $ | 386 |  |  | $ | 603 |  |  | $ | 2,532 |  |  | $ | 661 |  |  | $ | 499 |  |  | $ | 127 |
(1) - Reported within "Investments" on MBIA's consolidated balance sheets. (2) - Reported within "Premiums receivable" on MBIA's consolidated balance sheets. (3) - Reported within "Insurance loss recoverable" on MBIA's consolidated balance sheets. (4) - Reported within "Unearned premium revenue" on MBIA's consolidated balance sheets. (5) - Reported within "Loss and loss adjustment expense reserves" on MBIA's consolidated balance sheets. (6) - Reported within "Derivative liabilities" on MBIA's consolidated balance sheets.

X
- Definition Schedule Of Summary Of Nonconsolidated VIEs Assets And Liabilities [Text Block] + Details
Name: | mbi_ScheduleOfSummaryOfNonconsolidatedViesAssetsAndLiabilitiesTextBlock
Namespace Prefix: | mbi
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Variable Interest Entities [Abstract] + Details
Name: | mbi_VariableInterestEntitiesAbstract
Namespace Prefix: | mbi
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration