Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2021

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:

2022	$	785	(1)
2023	—
2024	—
2025	—
2026	1,175
Thereafter	373
Total	$	2,334

Schedule of Long-term Debt Instruments

Long-term debt outstanding, excluding VIE long-term debt, was as follows:

December 31,	2021						2020
	Par Value		Unamortized Discount		Carrying Value		Par Value		Unamortized Discount		Carrying Value
Ambac Assurance:
5.1% Surplus Notes	$	785	$	(56)	$	729	$	531	$	—	$	531
5.1% Junior Surplus Notes	—		—		—		365		(118)		247
LSNI Ambac Note	—		—		—		1,641		—		1,641
Sitka AAC Note	1,175		(21)		$	1,154	—		—		—
Tier 2 Notes	333		—		333		306		—		306
Ambac UK Debt	41		(26)		15		41		(27)		14
Long-term debt	$	2,334	$	(104)	$	2,230	$	2,884	$	(145)	$	2,739