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v3.26.1

Assured Life Re Acquisition - Additional Information (Details) - USD ($) $ in Millions |  | 2 Months Ended | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Jan. 21, 2026 | Mar. 31, 2026 | Mar. 31, 2026 | Mar. 31, 2025 | Mar. 31, 2026
Assured Guaranty Re Ltd. | BERMUDA |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Dividend payment restrictions schedule, percentage of statutory capital and surplus |  |  | 25.00% |  |
Statutory amount available for dividend payments without regulatory approval |  | $ 41 | $ 41 |  | $ 41
Statutory amount available for dividend payments, deficit |  | 0 | 0 |  | 0
Unencumbered Asset |  | 25 | 25 |  | 25
Dividend payment restrictions schedule amount of statutory capital |  |  | 31 |  |
Assured Life Re Acquisition |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Voting equity interest acquired, percentage | 100.00% |  |  |  |
Payments to acquire businesses, gross | $ 158 |  |  |  |
Acquiree's revenue since acquisition date, actual |  | 14 |  |  |
Acquiree's earnings (loss) since acquisition date, actual |  | $ 2 |  |  |
Business Combination, Acquisition-Related Cost, Expense |  |  | 4 |  | $ 7
Pro forma revenue |  |  | 257 | $ 349 |
Pro forma income (loss), after tax |  |  | $ 81 | $ 178 |
Assured Life Re Acquisition | Pension Risk Transfers Insurance Liabilities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Acquired assets, weighted average useful life | 10 years 3 months 18 days |  |  |  |
Assured Life Re Acquisition | Multi-year Guaranteed Annuity Policyholder Balances |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Acquired assets, weighted average useful life | 2 years 3 months 18 days |  |  |  |
Assured Life Re Acquisition, Pension Risk Transfers |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Value of business acquired | $ 14 |  |  |  |
Assured Life Re Acquisition, Multi-year Guaranteed Annuities |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |
Value of business acquired | $ (14) |  |  |  |

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