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, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Investments:
Total investments	$ 7,208		$ 7,208		$ 6,462
Equity method investments	5,901		5,901		6,062
Restricted cash and cash equivalents and investments	937		937		890
Total investments and restricted cash and cash equivalents and investments	14,046		14,046		13,414
Reflected as:
Other current assets	3,484		3,484		2,141
Noncurrent assets	10,562		10,562		11,273
Unrealized gains recognized on marketable securities held at the reporting date	268	$ 2,527	725	$ 1,270
Net gains recognized on marketable securities sold during the period	35	1	277	1
Gains on marketable securities, net	303	$ 2,528	1,002	$ 1,271
Quad Cities Station nuclear decommissioning trust funds
Investments:
Restricted cash and cash equivalents and investments	726		726		664
Other restricted cash and cash equivalents
Investments:
Restricted cash and cash equivalents and investments	211		211		226
BHE Renewables tax equity investments
Investments:
Equity method investments	4,289		4,289		4,535
Electric Transmission Texas, LLC
Investments:
Equity method investments	657		657		623
Iroquois Gas Transmission System, L.P.
Investments:
Equity method investments	596		596		600
Other
Investments:
Equity method investments	359		359		304
BYD Company Limited common stock
Investments:
Total investments	3,129		3,129		3,763
U.S. Treasury Bills
Investments:
Total investments	3,281		3,281		1,931
Rabbi trusts
Investments:
Total investments	468		468		433
Other
Investments:
Total investments	$ 330		$ 330		$ 335