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Income Taxes (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Dec. 31, 2024
Income Tax Disclosure |  |  |  |  |
Tax at statutory rate, percentage | 21.00% | 21.00% | 21.00% | 21.00% |
United States |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Deferred tax assets valuation allowance | $ 0 |  | $ 0 |  | $ 0
Cincinnati Global |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Deferred tax assets valuation allowance | 0 |  | 0 |  | 0
Cincinnati Global | United States |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Operating loss carryforwards | 0 |  | 0 |  | 0
Cincinnati Global | United Kingdom |  |  |  |  |
Income Tax Disclosure |  |  |  |  |
Operating loss carryforwards | $ 59 |  | $ 59 |  | $ 78

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