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Long-Term Debt - Summary of Debt and Revolving Credit Facility (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Long-term debt
Proceeds	$ 7,525	$ 5,460	$ 1,500
Repayments	7,670	$ 6,106	$ 2,738
CEI Revolving Credit Facility
Long-term debt
Proceeds	1,730
Repayments	1,730
CEI Term Loan A
Long-term debt
Proceeds	0
Repayments	37
CVA Delayed Draw Term Loan
Long-term debt
Proceeds	295
Repayments	0
CEI Term Loan B
Long-term debt
Proceeds	0
Repayments	425
CEI Term Loan B-1
Long-term debt
Proceeds	2,900
Repayments	22
CEI Senior Secured Notes due 2032
Long-term debt
Proceeds	1,500
Repayments	0
CEI Senior Secured Notes due 2025
Long-term debt
Proceeds	0
Repayments	3,399
CRC Senior Secured Notes
Long-term debt
Proceeds	0
Repayments	989
CEI Senior Notes due 2027
Long-term debt
Proceeds	0
Repayments	1,065
CEI Senior Notes due 2032
Long-term debt
Proceeds	1,100
Repayments	0
Special Improvement District Bonds
Long-term debt
Proceeds	0
Repayments	$ 3

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