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Variable Interest Entity, Number of Entities That Distributed Assets

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Variable Interest Entity, Number of Entities Consolidated

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Variable Interest Entity, Non-Consolidated, Number of Policies Monitored

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Variable Interest Entity, Number of Policies Monitored, Not Within the Scope of ASC 810

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Variable Interest Entity, Number of Policies that Contain Provisions for Consolidation

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Variable Interest Entity, Other Consolidated, Carrying Amount, Assets

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Variable Interest Entity, Other Consolidated, Carrying Amount, Liabilities

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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Nominal or face amount used to calculate payment on derivative.

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Amount after tax of gain (loss) not previously recognized resulting from the disposal of a discontinued operation.

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This item represents the estimated amount of gains or losses included in earnings during the period attributable to changes in instrument-specific credit risk arising from loans and other receivables held as assets.

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Amount classified as liabilities attributable to disposal group held for sale or disposed of.

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The amount of the reduction or elimination during the period of a noncontrolling interest resulting from the parent's loss of control and deconsolidation of the entity in which one or more outside parties had a noncontrolling interest.

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The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE).

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The gain (loss) recognized on initial consolidation of a variable interest entity (VIE) when the VIE is not a business (as defined).

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Financial Guaranty Variable Interest Entities and Consolidated Investment Vehicles - Narrative (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) policy entity	Dec. 31, 2023 USD ($) entity policy	Dec. 31, 2022 USD ($) entity	Jul. 01, 2024 USD ($)	Dec. 31, 2021 entity
Variable Interest Entity [Line Items]
Deconsolidation of investment vehicles		$ (132)
Fixed-maturity securities, available-for-sale	$ 6,369	6,307
VIE, other consolidated, carrying amount, assets		92
VIE, other consolidated, carrying amount, liabilities		$ 7
VIE, number of policies monitored \| policy	15,000
VIE, number of policies monitored, not within the scope of ASC 810 \| policy	14,000
VIE, number of policies that contain provisions for consolidation \| policy	50	68
Maximum loss exposure	$ 761
CLOs
Variable Interest Entity [Line Items]
Fixed-maturity securities, available-for-sale	611	$ 450
Nonredeemable Noncontrolling Interests
Variable Interest Entity [Line Items]
Deconsolidation of investment vehicles		(132)
Sound Point Agreement
Variable Interest Entity [Line Items]
Assets		4,700
Liabilities		4,400
Gain (loss) on disposal of discontinued operation, net of tax		16
Financial Guaranty Variable Interest Entities \| Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Gain (loss) in the instrument specific credit risk of the VIEs' assets	$ (5)	$ 3	$ 10
Financial Guaranty Variable Interest Entities \| Variable Interest Entity, Primary Beneficiary \| Puerto Rico Trusts
Variable Interest Entity [Line Items]
December 31 \| entity		24
Consolidated investment vehicles \| Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
December 31 \| entity	2	3	22		20
Number of entities that distributed assets \| entity	2
Variable interest entity, distributed investments				$ 293
Consolidated investment vehicles \| Variable Interest Entity, Primary Beneficiary \| CLOs
Variable Interest Entity [Line Items]
Fixed-maturity securities, available-for-sale	$ 263
Consolidated investment vehicles \| Foreign Exchange Forward \| Variable Interest Entity, Primary Beneficiary \| Arithmetic Average
Variable Interest Entity [Line Items]
Derivative, notional amount	$ 0	$ 41
Consolidated investment vehicles \| Assured IM \| Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Gain consolidation			$ 417