Investments and Restricted Cash and Cash Equivalents - BHE (Details)	12 Months Ended
	Dec. 31, 2024 USD ($) investment	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Other investments	$ 1,334,000,000	$ 4,039,000,000
Equity method investments	6,453,000,000	5,711,000,000
Restricted cash and investments	1,065,000,000	1,013,000,000
Total investments and restricted cash and cash equivalents	8,852,000,000	10,763,000,000
Reflected as:
Current assets	217,000,000	1,253,000,000
Noncurrent assets	8,635,000,000	9,510,000,000
Unrealized gains (losses) recognized on marketable securities held at the reporting date	110,000,000	252,000,000	$ (1,487,000,000)
Net gains (losses) recognized on marketable securities sold during the period	364,000,000	417,000,000	(515,000,000)
Gains (losses) on marketable securities, net	474,000,000	669,000,000	(2,002,000,000)
Tax equity contributions	$ 0	0	0
BHE B Inc
Reflected as:
Number of investments | investment	8
Bridger Coal Company | Coal purchase | Equity method investee
Reflected as:
Purchases from related party	$ 107,000,000	115,000,000	$ 100,000,000
Quad Cities Station nuclear decommissioning trust funds
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Restricted cash and investments	871,000,000	767,000,000
Other restricted cash and cash equivalents
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Restricted cash and investments	194,000,000	246,000,000
BHE Renewables tax equity investments
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Equity method investments	4,773,000,000	4,058,000,000
Electric Transmission Texas, LLC
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Equity method investments	$ 761,000,000	673,000,000
Reflected as:
Equity method investment, ownership percentage	50.00%
Iroquois Gas Transmission System, L.P.
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Equity method investments	$ 580,000,000	599,000,000
Reflected as:
Equity method investment, ownership percentage	50.00%
Other
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Equity method investments	$ 339,000,000	381,000,000
JAX LNG, LLC
Reflected as:
Equity method investment, ownership percentage	50.00%
Bridger Coal Company
Reflected as:
Equity method investment, ownership percentage	66.67%
BYD Company Limited common stock
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Other investments	$ 415,000,000	2,218,000,000
U.S. Treasury Bills
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Other investments	0	996,000,000
Rabbi trusts
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Other investments	525,000,000	487,000,000
Other
Investments, Including Equity Method And Restricted Cash And Investments [Line Items]
Other investments	$ 394,000,000	$ 338,000,000