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No definition available.

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- Definition

Paydown of Ambac Note

+ References

No definition available.

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- Definition

Tier 2 Note Security in RMBS Litigation Settlement Proceeds

+ References

No definition available.

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- Definition

Unpaid Principal Amount Of Fixed Rate Debt Accounted For Under Fair Value Option

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No definition available.

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- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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- Definition

Interest paid other than in cash for example by issuing additional debt securities. As a noncash item, it is added to net income when calculating cash provided by or used in operations using the indirect method.

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Long-Term Debt (Details) - USD ($) $ in Millions	12 Months Ended
Long-Term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 12, 2018
Debt Instrument [Line Items]
Tier 2 Note Security in RMBS Litigation Settlement Proceeds				$ 1,600
Long-term debt	$ 639	$ 2,230
Debt Instrument, Interest Rate, Effective Percentage	7.00%
Net realized gains on extinguishment of debt	$ 81	33	$ 0
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	665
Long-term Debt, Maturities, Repayments of Principal in Year Two	0
Long-term Debt, Maturities, Repayments of Principal in Year Three	0
Long-term Debt, Maturities, Repayments of Principal in Year Four	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Paydown of Ambac Note		1,641	$ 121
Long-term Debt, Maturities, Repayments of Principal after Year Five	$ 41
Tier 2 Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	8.50%
Debt Instrument, Interest Rate, Effective Percentage	9.90%
Debt Instrument, Face Amount	$ 146
Paid-in-Kind Interest	$ 49	93
Sitka AAC Note
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	5.70%
Ambac Assurance Corporation [Member]
Debt Instrument [Line Items]
Long-term debt	$ 639	2,230
Long-term Debt, Gross	706	2,334
Debt Instrument, Unamortized Discount (Premium), Net	(67)	(104)
Ambac Assurance Corporation [Member] \| Tier 2 Notes [Member]
Debt Instrument [Line Items]
Long-term debt	146	333
Long-term Debt, Gross	146	333
Debt Instrument, Unamortized Discount (Premium), Net	0	0
Ambac Assurance Corporation [Member] \| 5.1% Surplus Notes, General Account, Due 2020 [Member]
Debt Instrument [Line Items]
Long-term debt	477	729
Long-term Debt, Gross	519	785
Debt Instrument, Unamortized Discount (Premium), Net	(42)	(56)
Net realized gains on extinguishment of debt	33
Ambac Assurance Corporation [Member] \| Sitka AAC Note
Debt Instrument [Line Items]
Long-term debt	0	1,154
Debt Instrument, Unamortized Discount (Premium), Net	0	(21)
Debt Instrument, Face Amount	0	1,175
Net realized gains on extinguishment of debt	$ 53
Ambac UK [Member] \| Secured Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	0.00%
Long-term debt	$ 16	15
Long-term Debt, Gross	41	41
Debt Instrument, Unamortized Discount (Premium), Net	$ (25)	$ (26)
Debt Instrument, Interest Rate, Effective Percentage	7.40%
5.1 % Surplus Notes Due 2020 [Member] \| Ambac Assurance Corporation [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	5.10%	5.10%
5.1% Surplus Notes, General Account, Due 2020 [Member]
Debt Instrument [Line Items]
Net realized gains on extinguishment of debt	$ (134)
Debt Instrument, Repurchased During Period	266
Consolidated Variable Interest Entities [Member]
Debt Instrument [Line Items]
Unpaid Principal Amount Of Fixed Rate Debt Accounted For Under Fair Value Option	3,388	$ 3,739
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months	0
Long-term Debt, Maturities, Repayments of Principal in Year Two	0
Long-term Debt, Maturities, Repayments of Principal in Year Three	26
Long-term Debt, Maturities, Repayments of Principal in Year Four	0
Long-term Debt, Maturities, Repayments of Principal in Year Five	0
Long-term Debt, Maturities, Repayments of Principal after Year Five	$ 3,362
Consolidated Variable Interest Entities [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	0.00%	0.00%
Consolidated Variable Interest Entities [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage	7.93%	7.93%
London Interbank Offered Rate (LIBOR) [Member] \| Sitka AAC Note
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	4.50%
London Interbank Offered Rate (LIBOR) [Member] \| Minimum [Member] \| Sitka AAC Note
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	0.75%