LONG-TERM DEBT - Future principal payments on long-term debt (Details) - BHE Seller notes $ in Millions	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
2024	$ 84.1
2025	80.7
2026	73.4
2027	48.9
2028	343.8
Thereafter	8.7
Total	639.6
Equipment Loans
Debt Instrument [Line Items]
2024	84.1
2025	80.7
2026	73.4
2027	48.9
2028	23.8
Thereafter	8.7
Total	319.6
Term Loan Facility
Debt Instrument [Line Items]
2024	0.0
2025	0.0
2026	0.0
2027	0.0
2028	320.0
Thereafter	0.0
Total	$ 320.0

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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