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Variable Interest Entities (Tables) | 3 Months Ended
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Mar. 31, 2015
Text Block [Abstract] |
Summary Of Nonconsolidated VIEs Assets And Liabilities |
|  |  |  |  | March 31, 2015
|  |  |  |  |  |  |  |  |  |  | Carrying Value of Assets |  | Carrying Value of Liabilities
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Loss and Loss |  |  |
|  |  |  |  |  |  |  | Maximum |  |  |  |  |  |  |  |  |  | Unearned |  | Adjustment |  |  |
|  |  |  |  | VIE |  | Exposure |  |  |  |  | Premiums |  | Insurance Loss |  | Premium |  | Expense |  | Derivative
In millions |  | Assets |  | to Loss |  | Investments(1) |  | Receivable(2) |  | Recoverable(3) |  | Revenue(4) |  | Reserves(5) |  | Liabilities(6)
Insurance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Global structured finance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Collateralized debt obligations |  | $ | 7,491 |  | $ | 4,788 |  | $ | 95 |  | $ | 21 |  | $ | - |  | $ | 17 |  | $ | 71 |  | $ | 85
|  | Mortgage-backed residential |  |  | 13,575 |  |  | 7,173 |  |  | 12 |  |  | 39 |  |  | 513 |  |  | 37 |  |  | 315 |  |  | -
|  | Mortgage-backed commercial |  |  | 554 |  |  | 265 |  |  | - |  |  | 1 |  |  | - |  |  | 1 |  |  | - |  |  | -
|  | Consumer asset-backed |  |  | 5,856 |  |  | 1,916 |  |  | - |  |  | 15 |  |  | - |  |  | 14 |  |  | 10 |  |  | -
|  | Corporate asset-backed |  |  | 6,403 |  |  | 4,319 |  |  | - |  |  | 37 |  |  | 6 |  |  | 43 |  |  | - |  |  | -
| Total global structured finance |  |  | 33,879 |  |  | 18,461 |  |  | 107 |  |  | 113 |  |  | 519 |  |  | 112 |  |  | 396 |  |  | 85
| Global public finance |  |  | 45,700 |  |  | 15,595 |  |  | - |  |  | 166 |  |  | - |  |  | 200 |  |  | - |  |  | -
Total insurance |  | $ | 79,579 |  | $ | 34,056 |  | $ | 107 |  | $ | 279 |  | $ | 519 |  | $ | 312 |  | $ | 396 |  | $ | 85
__________ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(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.
|  |  |  |  | December 31, 2014
|  |  |  |  |  |  |  |  |  |  | Carrying Value of Assets |  | Carrying Value of Liabilities
|  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Loss and Loss |  |  |
|  |  |  |  |  |  |  | Maximum |  |  |  |  |  |  |  |  |  | Unearned |  | Adjustment |  |  |
|  |  |  |  | VIE |  | Exposure |  |  |  |  | Premiums |  | Insurance Loss |  | Premium |  | Expense |  | Derivative
In millions |  | Assets |  | to Loss |  | Investments(1) |  | Receivable(2) |  | Recoverable(3) |  | Revenue(4) |  | Reserves(5) |  | Liabilities(6)
Insurance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| Global structured finance: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | Collateralized debt obligations |  | $ | 8,613 |  | $ | 5,623 |  | $ | 110 |  | $ | 24 |  | $ | - |  | $ | 20 |  | $ | 70 |  | $ | 102
|  | Mortgage-backed residential |  |  | 14,136 |  |  | 7,459 |  |  | 9 |  |  | 41 |  |  | 518 |  |  | 39 |  |  | 307 |  |  | -
|  | Mortgage-backed commercial |  |  | 571 |  |  | 279 |  |  | - |  |  | 1 |  |  | - |  |  | 1 |  |  | - |  |  | -
|  | Consumer asset-backed |  |  | 6,008 |  |  | 1,989 |  |  | - |  |  | 16 |  |  | - |  |  | 14 |  |  | 12 |  |  | -
|  | Corporate asset-backed |  |  | 6,612 |  |  | 4,608 |  |  | - |  |  | 41 |  |  | 6 |  |  | 47 |  |  | - |  |  | -
| Total global structured finance |  |  | 35,940 |  |  | 19,958 |  |  | 119 |  |  | 123 |  |  | 524 |  |  | 121 |  |  | 389 |  |  | 102
| Global public finance |  |  | 49,686 |  |  | 16,698 |  |  | - |  |  | 179 |  |  | - |  |  | 211 |  |  | - |  |  | -
Total insurance |  | $ | 85,626 |  | $ | 36,656 |  | $ | 119 |  | $ | 302 |  | $ | 524 |  | $ | 332 |  | $ | 389 |  | $ | 102
__________ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(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.

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- Definition Schedule Of Summary Of Nonconsolidated VIEs Assets And Liabilities [Text Block] + References No definition available. + Details
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