XML 77 R50.htm IDEA: XBRL DOCUMENT
v3.25.0.1

Insurance Company Regulatory Requirements (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Insurance Company Regulatory Requirements [Abstract] |
Schedule of Statutory Capital and Surplus and Net Income | Insurance Regulatory Amounts Reported U.S. and Bermuda
| Policyholders’ Surplus |  | Net Income (Loss)
| As of December 31, |  | Year Ended December 31,
| 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2022
| (in millions)
AG (U.S. domiciled) (1)(2) | $ | 3,524 |  |  | $ | 3,997 |  |  | $ | 355 |  |  | $ | 289 |  |  | $ | 225 |
Bermuda statutory companies: |  |  |  |  |  |  |  |  |
AG Re | 1,087 |  |  | 905 |  |  | 98 |  |  | 95 |  |  | 53 |
AGRO | 452 |  |  | 412 |  |  | 22 |  |  | 16 |  |  | 9 |
____________________ (1) Effective August 1, 2024, AGM merged with and into AG, with AG as the surviving company. Furthermore, in accordance with the National Association of Insurance Commissioners (NAIC) Annual Statement instructions, the prior year numbers have been restated to reflect the merger of AGM with and into AG. (2) Policyholders’ surplus is net of contingency reserves of $1,392 million and $1,296 million as of December 31, 2024 and December 31, 2023, respectively.
Schedule of Dividends Paid by Insurance Company Subsidiaries | Dividend Restrictions and Capital Requirements Distributions from Insurance Subsidiaries
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (in millions)
Dividends paid by AG Re to AGL | $ | 97 |  |  | $ | 53 |  |  | $ | — |
Distributions from AGUK to its parent | 128 |  |  | 127 |  |  | — |
Dividends paid by AG to U.S. Holding Companies (1) | 400 |  |  | 358 |  |  | 473 |
Stock redemptions by insurance subsidiaries | 400 |  |  | 200 |  |  | — |
___________________ (1) Effective as of August 1, 2024, AGM merged with and into AG, with AG as the surviving company. Prior to the merger, AG had been directly owned by AGUS. As a result of the merger, AG is directly owned by AGMH, a subsidiary of AGUS.

X
- Definition Insurance Company Regulatory Requirements [Abstract] + References No definition available. + Details
Name: | ago_InsuranceCompanyRegulatoryRequirementsAbstract
Namespace Prefix: | ago_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the reported amounts of statutory capital and surplus and net income or loss. + References No definition available. + Details
Name: | ago_ScheduleOfStatutoryCapitalAndSurplusAndNetIncomeTableTextBlock
Namespace Prefix: | ago_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Schedule of Statutory Dividends, Loans and Advances [Table Text Block] + References No definition available. + Details
Name: | ago_ScheduleofStatutoryDividendsLoansandAdvancesTableTextBlock
Namespace Prefix: | ago_
Data Type: | dtr-types1:textBlockItemType
Balance Type: | na
Period Type: | duration