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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Income Tax Disclosure
Tax at statutory rate, percentage	21.00%	21.00%
United States
Income Tax Disclosure
Deferred tax assets valuation allowance	$ 0		$ 0
Cincinnati Global
Income Tax Disclosure
Deferred tax assets valuation allowance	0		0
Cincinnati Global \| United States
Income Tax Disclosure
Operating loss carryforwards	0		0
Cincinnati Global \| United Kingdom
Income Tax Disclosure
Operating loss carryforwards	$ 91		$ 100