v3.26.1
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, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Investments:          
Other investments $ 1,251   $ 1,251   $ 1,000
Equity method investments 5,356   5,356   5,700
Restricted cash and cash equivalents and investments 1,208   1,208   1,162
Total investments and restricted cash and cash equivalents and investments 7,815   7,815   7,862
Reflected as:          
Other current assets 479   479   254
Noncurrent assets 7,336   7,336   7,608
Unrealized gains recognized on marketable securities held at the reporting date 20 $ 15 12 $ 7  
Net gains recognized on marketable securities sold during the period 0 1 3 112  
Gains on marketable securities, net 20 $ 16 15 $ 119  
Quad Cities Station nuclear decommissioning trust funds          
Investments:          
Restricted cash and cash equivalents and investments 1,042   1,042   979
Other restricted cash and cash equivalents          
Investments:          
Restricted cash and cash equivalents and investments 166   166   183
BHE Renewables tax equity investments          
Investments:          
Equity method investments 3,540   3,540   3,945
Electric Transmission Texas, LLC          
Investments:          
Equity method investments 877   877   835
Iroquois Gas Transmission System, L.P.          
Investments:          
Equity method investments 597   597   584
Other          
Investments:          
Equity method investments 342   342   336
U.S. Treasury Bills          
Investments:          
Other investments 289   289   42
Company-owned life insurance          
Investments:          
Other investments 600   600   572
Other          
Investments:          
Other investments $ 362   $ 362   $ 386