Long-Term Debt - CEI Senior Secured Notes due 2032 (Narrative) (Details) - CEI Senior Secured Notes due 2032 - Senior Notes - USD ($) $ in Billions	Jun. 30, 2026	Feb. 06, 2024
Long-term debt
Long-term debt, gross		$ 1.5
Interest rate	6.50%	6.50%

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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