XML 64 R37.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Business and Basis of Presentation (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract] |
Equity in Earnings of Investees | The following table presents the calculation of the gain associated with the Sound Point Transaction and AHP Transaction in 2023. Gain on Sound Point Transaction and AHP Transaction
| (in millions)
Fair value of ownership interest in Sound Point | $ | 425 |
Fair value of other consideration (1) | 25 |
Total consideration | 450 |
Less net asset carrying value of transferred AssuredIM subsidiaries (2) | 188 |
Gain on sale of asset management subsidiaries (3) | $ | 262 |
____________________ (1) Included $13 million of cash and a receivable reported in other assets of $12 million. (2) Included goodwill and intangible assets of $155 million. (3) Consisted of a $255 million gain on the Sound Point Transaction and a $7 million gain on the AHP Transaction, which were both reported in the Corporate division (as described in Note 2, Segment Information).
Schedule of Accounting Policies | Other accounting policies are included in the following notes to the consolidated financial statements.
Note Name | Note Number
Expected loss to be paid (recovered) | Note 4
Contracts accounted for as insurance | Note 5
Contracts accounted for as credit derivatives | Note 6
Investments and cash | Note 7
Financial guaranty variable interest entities and consolidated investment vehicles | Note 8
Fair value measurement | Note 9
Asset management fees | Note 10
Long-term debt and credit facilities | Note 11
Employee benefit plans | Note 12
Income taxes | Note 13
Related parties | Note 15
Leases | Note 16
Contingencies | Note 17
Shareholders' equity | Note 18
Earnings per share | Note 20

X
- Definition Schedule of Accounting Policies + References No definition available. + Details
Name: | ago_ScheduleOfAccountingPoliciesTableTextBlock
Namespace Prefix: | ago_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of equity method investments including, but not limited to, name of each investee or group of investments, percentage ownership, difference between recorded amount of an investment and the value of the underlying equity in the net assets, and summarized financial information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 323 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481687/323-10-50-3 + Details
Name: | us-gaap_EquityMethodInvestmentsTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration