Basis of Presentation and Significant Accounting Policies Supplemental Cash Flow Information (Tables)

3 Months Ended

Mar. 31, 2024

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

Supplemental Disclosure of Cash Flow Information	Three Months Ended March 31,
	2024		2023
Cash paid during the period for:
Income taxes	$	2	$	4
Interest on long-term debt	—		50
Non-cash investing and financing activities:
Securities acquired (transferred) in transactions related to Puerto Rico restructurings	—		(1)
Securities acquired (transferred) in connection with financial guarantee commutations	(65)		—
	March 31,
	2024		2023
Reconciliation of cash, cash equivalents, and restricted cash reported within the Consolidated Balance Sheets to the Consolidated Statements of Cash Flows:
Cash and cash equivalents	$	33	$	38
Restricted cash	11		10
Variable Interest Entity restricted cash	252		256
Total cash, cash equivalents, and restricted cash shown on the Consolidated Statements of Cash Flows	$	296	$	304

Restricted cash is cash that we do not have the right to use for general purposes and includes fiduciary cash held by Ambac's insurance distribution subsidiaries, consolidated variable interest entity cash to support the obligations of the consolidated VIEs and cash received as collateral under their derivatives agreements.

Redeemable Noncontrolling Interest

Following is a rollforward of redeemable noncontrolling interest.

Three Months Ended March 31,	2024		2023
Beginning balance	$	17	$	20
Fair value of redeemable noncontrolling interest at acquisition date	—		—
Net income attributable to redeemable noncontrolling interest (ASC 810)	1		1
Distributions	(1)		—
Adjustment to redemption value (ASC 480)	—		—
Ending balance	$	17	$	20