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Long-Term Debt - CEI Senior Notes due 2027 (Narrative) (Details) - USD ($)
$ in Billions
Mar. 31, 2024
Jul. 06, 2020
Long-term debt    
Interest rate 4.30%  
CEI Senior Notes due 2027 | Senior Notes    
Long-term debt    
Long-term debt, gross   $ 1.8
Interest rate 8.125% 8.125%