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v3.20.4

Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2020
Debt Instrument [Line Items] |
Schedule of Maturities of Long-term Debt [Table Text Block] | Aggregated annual maturities of non-VIE long-term debt obligations (based on scheduled maturity dates as further discussed below) are as follows:
2021 |  | $ | 531 |  | (1)
2022 |  | — |  |
2023 |  | 1,641 |  |
2024 |  | — |  |
2025 |  | — |  |
Thereafter |  | 712 |  | (2)
Total |  | $ | 2,884 |  |
Schedule of Long-term Debt Instruments | Long-term debt outstanding, excluding VIE long-term debt, was as follows:
December 31, |  |  |  | 2020 |  | 2019
|  |  |  | Par Value |  | Unamortized Discount |  | Carrying Value |  | Par Value |  | Unamortized Discount |  | Carrying Value
Ambac Assurance: |  |  |  |  |  |  |  |  |  |  |  |  |  |
5.1% surplus notes |  |  |  | $ | 531 |  |  | $ | — |  |  | $ | 531 |  |  | $ | 531 |  |  | $ | (14) |  |  | $ | 517 |
5.1% junior surplus notes |  |  |  | 365 |  |  | (118) |  |  | 247 |  |  | 365 |  |  | (113) |  |  | 252 |
Ambac note |  |  |  | 1,641 |  |  | — |  |  | 1,641 |  |  | 1,763 |  |  | — |  |  | 1,763 |
Tier 2 notes |  |  |  | 306 |  |  | — |  |  | 306 |  |  | 281 |  |  | (4) |  |  | 278 |
Ambac UK debt |  |  |  | 41 |  |  | (27) |  |  | 14 |  |  | 41 |  |  | (28) |  |  | 13 |
Long-term debt |  |  |  | $ | 2,884 |  |  | $ | (145) |  |  | $ | 2,739 |  |  | $ | 2,980 |  |  | $ | (159) |  |  | $ | 2,822 |

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- Definition Tabular disclosure of long-debt instruments or arrangements, including identification, terms, features, collateral requirements and other information necessary to a fair presentation. These are debt arrangements that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the entity, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28541-108399 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21506-112644 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=114775744&loc=d3e28551-108399 Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21521-112644 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21538-112644 Reference 8: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 9: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=114775985&loc=d3e28878-108400 Reference 10: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644 + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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