Long-Term Debt (Tables)

12 Months Ended

Dec. 31, 2022

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:

2023	$	665	(1), (2)
2024	—
2025	—
2026	—
2027	—
Thereafter	41
Total	$	706

Schedule of Long-term Debt Instruments

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

December 31,	2022						2021
	Par Value		Unamortized Discount		Carrying Value		Par Value		Unamortized Discount		Carrying Value
Ambac Assurance:
5.1% Surplus Notes	$	519	$	(42)	$	477	$	785	$	(56)	$	729
Sitka AAC Note	—		—		$	—	1,175		(21)		1,154
Tier 2 Notes	146		—		146		333		—		333
Ambac UK Debt	41		(25)		16		41		(26)		15
Long-term debt	$	706	$	(67)	$	639	$	2,334	$	(104)	$	2,230