Revenue and Contracts with Customers (Revenue from External Customers by Geographic Areas) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Revenue	$ 76.7	$ 73.1
Product [Member]
Revenue	44.6	51.3
Product [Member] \| United States
Revenue	17.3	51.3
Product [Member] \| Total foreign
Revenue	$ 27.3	$ 0.0

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

CENTRUS ENERGY CORP 10-Q