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Schedule IV - Reinsurance | 12 Months Ended
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Dec. 31, 2019
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, 2019, 2018 and 2017 (In millions)
Column A Insurance Premium Written |  |  | Column B Direct Amount |  |  |  | Column C C e ded to Others |  |  |  | Column D Assum ed From Other Companies |  |  |  | Column E Net Amount |  |  |  | Column F P ercentage of Amount Assumed to Net |
2019 |  | $ | 3 |  |  | $ | — |  |  | $ | — |  |  | $ | 3 |  |  |  | 0% |
2018 |  | $ | 3 |  |  | $ | 1 |  |  | $ | — |  |  | $ | 2 |  |  |  | 0% |
2017 |  | $ | (1) |  |  | $ | 1 |  |  | $ | — |  |  | $ | (2) |  |  |  | 0% |

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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/disclosureRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -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=34713774&loc=d3e574992-122915 + Details
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