Schedule I Condensed Financial Statements (Parent Company Only) - Condensed Balance Sheets (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 1,392	$ 1,565
Accounts receivable	2,551	2,667
Other current assets	1,314	1,355
Total current assets	9,099	10,198
Other investments	1,334	4,039
Goodwill	11,413	11,547	$ 11,489
Other assets	3,011	3,170
Total assets	140,140	137,840	133,840
Current liabilities:
Short-term debt	1,123	4,148
Total current liabilities	10,941	13,421
BHE senior debt	11,457	13,101
BHE junior subordinated debentures	0	100
Other long-term liabilities	5,917	6,166
Total liabilities	88,851	88,100
Shareholders' equity:
Preferred stock	481	0
Common stock	0	0
Additional paid-in capital	5,558	5,573
Retained earnings	46,311	44,765
Accumulated other comprehensive loss, net	(2,341)	(1,904)
Total shareholder's equity	50,009	48,434
Total equity	51,289	49,740	$ 50,639	$ 50,589
Total liabilities and shareholder's equity	140,140	137,840
Parent Company
Current assets:
Cash and cash equivalents	78	166
Notes receivable - affiliate	$ 13	$ 19
Note receivable from affiliate, related party type	Affiliated entity	Affiliated entity
Income tax receivable	$ 1	$ 44
Other current assets	7	15
Total current assets	1,514	1,105
Investments in subsidiaries	60,499	61,032
Other investments	277	248
Goodwill	1,221	1,221
Other assets	1,280	1,291
Total assets	64,791	64,897
Current liabilities:
Accounts payable and other current liabilities	560	613
Notes payable to affiliates	$ 502	$ 202
Notes payable to affiliates, related party type	Affiliated entity	Affiliated entity
Short-term debt	$ 180	$ 1,935
Current portion of senior debt	1,650	0
Total current liabilities	2,892	2,750
BHE senior debt	11,457	13,101
BHE junior subordinated debentures	0	100
Notes payable - affiliate	0	0
Other long-term liabilities	433	512
Total liabilities	14,782	16,463
Shareholders' equity:
Preferred stock	481	0
Common stock	0	0
Additional paid-in capital	5,558	5,573
Retained earnings	46,311	44,765
Accumulated other comprehensive loss, net	(2,341)	(1,904)
Total equity	50,009	48,434
Total liabilities and shareholder's equity	64,791	64,897
Parent Company | Nonrelated Party
Current assets:
Accounts receivable	0	0
Parent Company | Related party
Current assets:
Accounts receivable	1,415	861
MidAmerican Funding LLC
Current assets:
Other receivables	$ 0	$ 1
Other receivable, related party type	Affiliated entity	Affiliated entity
Investments in subsidiaries	$ 11,504	$ 10,925
Total assets	11,504	10,926
Current liabilities:
Notes payable to affiliates	$ 59	$ 48
Notes payable to affiliates, related party type	Affiliated entity	Affiliated entity
Other accrued current liabilities	$ 6	$ 5
Long-term debt	240	240
Total liabilities	305	293
Shareholders' equity:
Paid-in capital	1,679	1,679
Retained earnings	9,520	8,954
Total shareholder's equity	11,199	10,633
Total liabilities and shareholder's equity	$ 11,504	$ 10,926