Subsidiary Debt - BHE Renewables (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Par value	$ 52,313
Subsidiary debt
Debt Instrument [Line Items]
Par value	39,012
Subsidiary debt	38,971	$ 37,539
BHE Renewables \| Subsidiary debt
Debt Instrument [Line Items]
Par value	2,571
Subsidiary debt	$ 2,548	$ 3,027
Interest rate on derivatives	100.00%
Variable rate		9.82%
BHE Renewables \| Subsidiary debt \| Minimum
Debt Instrument [Line Items]
Fixed interest rate	3.23%	3.23%
BHE Renewables \| Subsidiary debt \| Maximum
Debt Instrument [Line Items]
Fixed interest rate	3.88%	3.88%
BHE Renewables \| Subsidiary debt \| Bishop Hill Holdings Senior Notes, 5.125%, due 2032
Debt Instrument [Line Items]
Stated rate	5.125%
Par value	$ 51
Subsidiary debt	$ 50	$ 56
BHE Renewables \| Subsidiary debt \| Solar Star Funding Senior Notes, 3.950%, due 2035
Debt Instrument [Line Items]
Stated rate	3.95%
Par value	$ 230
Subsidiary debt	$ 228	242
BHE Renewables \| Subsidiary debt \| Solar Star Funding Senior Notes, 5.375%, due 2035
Debt Instrument [Line Items]
Stated rate	5.375%
Par value	$ 744
Subsidiary debt	$ 739	781
BHE Renewables \| Subsidiary debt \| Grande Prairie Wind Senior Notes, 3.860%, due 2037
Debt Instrument [Line Items]
Stated rate	3.86%
Par value	$ 236
Subsidiary debt	$ 234	267
BHE Renewables \| Subsidiary debt \| Topaz Solar Farms Senior Notes, 5.750%, due 2039
Debt Instrument [Line Items]
Stated rate	5.75%
Par value	$ 541
Subsidiary debt	$ 536	568
BHE Renewables \| Subsidiary debt \| Topaz Solar Farms Senior Notes, 4.875%, due 2039
Debt Instrument [Line Items]
Stated rate	4.875%
Par value	$ 152
Subsidiary debt	$ 151	160
BHE Renewables \| Subsidiary debt \| Alamo 6 Senior Notes, 4.170%, due 2042
Debt Instrument [Line Items]
Stated rate	4.17%
Par value	$ 181
Subsidiary debt	179	188
BHE Renewables \| Subsidiary debt \| TX Jumbo Road Term Loan, due 2025
Debt Instrument [Line Items]
Par value	73
Subsidiary debt	72	96
BHE Renewables \| Subsidiary debt \| Marshall Wind Term Loan, due 2026
Debt Instrument [Line Items]
Par value	49
Subsidiary debt	49	56
BHE Renewables \| Subsidiary debt \| Flat Top Wind I Term Loan, due 2028
Debt Instrument [Line Items]
Par value	0
Subsidiary debt	0	99
BHE Renewables \| Subsidiary debt \| Mariah Del Norte Term Loan, due 2028
Debt Instrument [Line Items]
Par value	0
Subsidiary debt	0	54
BHE Renewables \| Subsidiary debt \| Mariah Del Norte Term Loan, due 2032
Debt Instrument [Line Items]
Par value	0
Subsidiary debt	0	138
BHE Renewables \| Subsidiary debt \| Pinyon Pines I and II Term Loans, due 2034
Debt Instrument [Line Items]
Par value	314
Subsidiary debt	$ 310	$ 322

Face (par) amount of debt instrument at time of issuance.

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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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