Subsidiary Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Par value	$ 55,471
Subsidiary debt, current	2,646	$ 2,740
Subsidiary debt, noncurrent	41,154	36,231
Subsidiary debt
Debt Instrument [Line Items]
Par value	42,270
Subsidiary debt	42,150	38,971
Subsidiary debt, current	996	2,740
Subsidiary debt, noncurrent	41,154	36,231
Subsidiary debt | PAC
Debt Instrument [Line Items]
Par value	13,702
Subsidiary debt	13,588	10,410
Subsidiary debt | MidAmerican Funding LLC
Debt Instrument [Line Items]
Par value	9,176
Subsidiary debt	9,053	8,992
Subsidiary debt | NV Energy
Debt Instrument [Line Items]
Par value	4,971
Subsidiary debt	4,932	4,695
Subsidiary debt | Northern Powergrid
Debt Instrument [Line Items]
Par value	3,367
Subsidiary debt	3,337	3,465
Subsidiary debt | BHE Pipeline Group
Debt Instrument [Line Items]
Par value	5,359
Subsidiary debt	5,582	5,154
Subsidiary debt | BHE Transmission
Debt Instrument [Line Items]
Par value	3,285
Subsidiary debt	3,267	3,574
Subsidiary debt | BHE Renewables
Debt Instrument [Line Items]
Par value	2,350
Subsidiary debt	2,331	2,548
Subsidiary debt | HomeServices
Debt Instrument [Line Items]
Par value	60
Subsidiary debt	$ 60	$ 133