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Insurance Premiums (Tables) | 12 Months Ended
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Dec. 31, 2017
Text Block [Abstract] |
Rollforward of Premiums Receivable |
In millions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  | Adjustments |  |  |
Premiums |  |  |  | Premiums |  | Changes in |  | Accretion of |  |  |  | Premiums |
Receivable as of |  | Premium |  | from New |  | Expected |  | Premiums |  |  |  | Receivable as of |
December 31, |  | Payments |  | Business |  | Term of |  | Receivable |  |  |  | December 31, |
2016 |  | Received |  | Written |  | Policies |  | Discount (1) |  | Other (2) |  | 2017 |
$ | 409 |  | $ | (50) |  | $ | 3 |  | $ | (15) |  | $ | 10 |  | $ | 12 |  | $ | 369 |
__________ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(1) - Recorded within premiums earned on MBIA's consolidated statement of operations.
(2) - Primarily consists of realized gains due to changes in foreign currency exchange rates.
In millions |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  |  |  |  |  | Adjustments |  |  |
Premiums |  |  |  | Premiums |  | Changes in |  | Accretion of |  |  |  | Premiums |
Receivable as of |  | Premium |  | from New |  | Expected |  | Premiums |  |  |  | Receivable as of |
December 31, |  | Payments |  | Business |  | Term of |  | Receivable |  |  |  | December 31, |
2015 |  | Received |  | Written |  | Policies |  | Discount (1) |  | Other (2) |  | 2016 |
$ | 792 |  | $ | (115) |  | $ | 10 |  | $ | (5) |  | $ | 19 |  | $ | (292) |  | $ | 409 |
__________ |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
(1) - Recorded within premiums earned on MBIA's consolidated statement of operations.
(2) - Primarily consists of premiums receivable of $267 million reported within "Assets held for sale" on MBIA's consolidated balance sheet.
Undiscounted Future Premiums By Period |
|  |  | Expected |
|  |  | Collection of |
| In millions |  | Premiums |
| Three months ending: |  |  |  |
| March 31, 2018 |  | $ | 5 |
| June 30, 2018 |  |  | 15 |
| September 30, 2018 |  |  | 7 |
| December 31, 2018 |  |  | 14 |
| Twelve months ending: |  |  |  |
| December 31, 2019 |  |  | 38 |
| December 31, 2020 |  |  | 35 |
| December 31, 2021 |  |  | 32 |
| December 31, 2022 |  |  | 28 |
| Five years ending: |  |  |  |
| December 31, 2027 |  |  | 120 |
| December 31, 2032 |  |  | 71 |
| December 31, 2037 and thereafter |  |  | 81 |
| Total |  | $ | 446 |
Unearned Premium Reserve And Future Premium Earnings |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Total |
|  |  |  |  |  |  |  |  |  |  |  |  |  |  | Expected |
|  |  | Unearned |  | Expected Future |  |  |  |  | Future |
|  |  | Premium |  |  | Premium Earnings |  |  |  |  | Premium |
| In millions |  | Revenue |  | Upfront |  | Installments |  | Accretion |  | Earnings |
| December 31, 2017 |  | $ | 752 |  |  |  |  |  |  |  |  |  |  |  |  |
| Three months ending: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| March 31, 2018 |  |  | 729 |  | $ | 12 |  | $ | 11 |  | $ | 2 |  | $ | 25 |
| June 30, 2018 |  |  | 707 |  |  | 12 |  |  | 10 |  |  | 2 |  |  | 24 |
| September 30, 2018 |  |  | 686 |  |  | 11 |  |  | 10 |  |  | 2 |  |  | 23 |
| December 31, 2018 |  |  | 665 |  |  | 11 |  |  | 10 |  |  | 2 |  |  | 23 |
| Twelve months ending: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| December 31, 2019 |  |  | 587 |  |  | 41 |  |  | 37 |  |  | 9 |  |  | 87 |
| December 31, 2020 |  |  | 516 |  |  | 37 |  |  | 34 |  |  | 8 |  |  | 79 |
| December 31, 2021 |  |  | 452 |  |  | 33 |  |  | 31 |  |  | 7 |  |  | 71 |
| December 31, 2022 |  |  | 395 |  |  | 30 |  |  | 27 |  |  | 7 |  |  | 64 |
| Five years ending: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| December 31, 2027 |  |  | 195 |  |  | 105 |  |  | 95 |  |  | 25 |  |  | 225 |
| December 31, 2032 |  |  | 94 |  |  | 54 |  |  | 47 |  |  | 14 |  |  | 115 |
| December 31, 2037 and thereafter |  |  | - |  |  | 40 |  |  | 54 |  |  | 13 |  |  | 107 |
| Total |  |  |  |  | $ | 386 |  | $ | 366 |  | $ | 91 |  | $ | 843 |

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- Definition Rollforward of the financial guarantee premiums receivable. + References No definition available. + Details
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- Definition Amount to undiscounted future financial guarantee premiums to be collected by period + References No definition available. + Details
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- Definition Unearned Premium Reserve And Future Premium Earnings [Table Text Block] + References No definition available. + Details
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- References No definition available. + Details
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