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Schedule IV - Reinsurance | 12 Months Ended
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Dec. 31, 2013
Supplemental Schedule of Reinsurance Premiums for Insurance Companies [Abstract] |
Supplemental Schedule of Reinsurance Premiums for Insurance Companies |
| SCHEDULE IV |
| MBIA INC. AND SUBSIDIARIES |
| REINSURANCE |
| Years Ended December 31, 2013, 2012 and 2011 |
| (In millions) |
| Column A |  | Column B |  | Column C |  | Column D |  | Column E |  | Column F |
|  |  |  |  |  |  |  | Assumed |  |  |  |  | Percentage |
|  |  |  |  |  |  |  |  | From |  |  |  |  | of Amount |
| Insurance |  | Direct |  | Ceded to |  | Other |  | Net |  | Assumed |
| Premium Written |  | Amount |  | Others |  | Companies |  | Amount |  | to Net |
| 2013 |  | $ | (40) |  | $ | 2 |  | $ | 1 |  | $ | (41) |  | -2% |
| 2012 |  | $ | 17 |  | $ | 2 |  | $ | 2 |  | $ | 17 |  | 12% |
| 2011 |  | $ | (5) |  | $ | 3 |  | $ | (2) |  | $ | (10) |  | 20% |

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- Definition The entire disclosure for the supplemental schedule of reinsurance information. Reinsurance schedule includes, but is not limited to, the type of insurance, gross amount of premiums, premiums ceded to other entities, premiums assumed from other entities, net amount of premium revenue, and the percentage of the premiums assumed to net premium revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 17 -Article 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 235 -Section S99 -Paragraph 2 -Subparagraph (SX 210.12-17) -URI http://asc.fasb.org/extlink&oid=6588446&loc=d3e574992-122915 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.7-05.(c) Schedule IV) -URI http://asc.fasb.org/extlink&oid=6879921&loc=d3e569147-122900 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 05 -Article 7 + Details
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