Investments and Restricted Cash and Cash Equivalents and Investments - BHE - Components and Investments (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Investments:
Total investments	$ 4,180		$ 4,180		$ 4,039
Equity method investments	5,462		5,462		5,711
Restricted cash and cash equivalents and investments	1,116		1,116		1,013
Total investments and restricted cash and cash equivalents and investments	10,758		10,758		10,763
Reflected as:
Other current assets	1,911		1,911		1,253
Noncurrent assets	8,847		8,847		9,510
Unrealized gains recognized on marketable securities held at the reporting date	236	$ 268	150	$ 725
Net gains recognized on marketable securities sold during the period	93	35	56	277
Gains on marketable securities, net	329	$ 303	206	$ 1,002
Quad Cities Station nuclear decommissioning trust funds
Investments:
Restricted cash and cash equivalents and investments	829		829		767
Other restricted cash and cash equivalents
Investments:
Restricted cash and cash equivalents and investments	287		287		246
BHE Renewables tax equity investments
Investments:
Equity method investments	3,761		3,761		4,058
Electric Transmission Texas, LLC
Investments:
Equity method investments	718		718		673
Iroquois Gas Transmission System, L.P.
Investments:
Equity method investments	592		592		599
Other
Investments:
Equity method investments	391		391		381
BYD Company Limited common stock
Investments:
Total investments	1,739		1,739		2,218
U.S. Treasury Bills
Investments:
Total investments	1,588		1,588		996
Rabbi trusts
Investments:
Total investments	521		521		487
Other
Investments:
Total investments	$ 332		$ 332		$ 338