Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,276	$ 1,290
Restricted cash and cash equivalents	117	140
Trade receivables, net	2,416	2,107
Inventories	1,110	1,168
Mortgage loans held-for-sale	2,065	2,001
Other current assets	3,236	2,741
Total current assets	10,220	9,447
Property, plant and equipment, net	86,757	86,128
Goodwill	11,534	11,506
Regulatory assets	3,221	3,157
Investments and restricted cash and cash equivalents and investments	13,010	14,320
Other assets	2,780	2,758
Total assets	127,522	127,316
Current liabilities:
Accounts payable	1,548	1,867
Accrued interest	642	555
Accrued property, income and other taxes	515	582
Accrued employee expenses	412	383
Short-term debt	2,699	2,286
Current portion of long-term debt	2,011	1,839
Other current liabilities	1,948	1,626
Total current liabilities	9,775	9,138
BHE senior debt	12,999	12,997
BHE junior subordinated debentures	100	100
Subsidiary debt	34,351	34,930
Regulatory liabilities	7,355	7,221
Deferred income taxes	11,630	11,775
Other long-term liabilities	4,261	4,178
Total liabilities	$ 80,471	80,339
Commitments and contingencies
BHE shareholders' equity:
Preferred Stock, Shares Authorized	100,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.01
Preferred Stock, Shares Issued	4,000,000
Preferred Stock, Shares Outstanding	4,000,000
Preferred Stock, Value, Issued	$ 3,750	3,750
Common Stock, Shares Authorized	115,000,000
Common Stock, No Par Value	$ 0
Common Stock, Shares, Issued	76,000,000
Common Stock, Shares, Outstanding	76,000,000
Common Stock, Value, Issued	$ 0	0
Additional paid-in capital	6,377	6,377
Long-term income tax receivable	(658)	(658)
Retained earnings	35,060	35,093
Accumulated other comprehensive loss, net	(1,440)	(1,552)
Total BHE shareholders' equity	43,089	43,010
Noncontrolling interests	3,962	3,967
Total equity	47,051	46,977
Total liabilities and equity	127,522	127,316
PacifiCorp [Member]
Current assets:
Cash and cash equivalents	43	13
Restricted cash and cash equivalents	3	4
Inventories	475	482
Other current assets	109	82
Total current assets	1,505	1,523
Regulatory assets	1,279	1,279
Other assets	479	470
Total assets	25,798	25,702
Current liabilities:
Accounts payable	615	772
Accrued interest	114	127
Accrued property, income and other taxes	118	80
Accrued employee expenses	112	84
Short-term debt	95	93
Current portion of long-term debt	879	420
Other current liabilities	178	174
Total current liabilities	2,222	1,865
Regulatory liabilities	2,728	2,727
Deferred income taxes	2,666	2,627
Other long-term liabilities	1,106	1,118
Total liabilities	16,456	16,529
Commitments and contingencies
BHE shareholders' equity:
Preferred Stock, Value, Issued	$ 2	2
Common Stock, Shares Authorized	750,000,000
Common Stock, No Par Value	$ 0
Common Stock, Shares, Issued	357,000,000
Common Stock, Shares, Outstanding	357,000,000
Common Stock, Value, Issued	$ 0	0
Additional paid-in capital	4,479	4,479
Retained earnings	4,880	4,711
Accumulated other comprehensive loss, net	(19)	(19)
Total BHE shareholders' equity	9,342	9,173
Total liabilities and equity	25,798	25,702
MidAmerican Energy Company [Member]
Current assets:
Cash and cash equivalents	37	38
Restricted cash and cash equivalents	7	7
Inventories	231	278
Other current assets	103	73
Total current assets	1,185	623
Regulatory assets	439	392
Investments and restricted cash and cash equivalents and investments	938	911
Other assets	215	232
Total assets	22,000	21,437
Current liabilities:
Accounts payable	292	408
Accrued interest	86	78
Accrued property, income and other taxes	124	161
Short-term debt	387	0
Other current liabilities	186	183
Total current liabilities	1,075	830
Regulatory liabilities	1,257	1,111
Deferred income taxes	3,107	3,054
Other long-term liabilities	414	458
Total liabilities	13,788	13,372
Commitments and contingencies
BHE shareholders' equity:
Common Stock, Shares Authorized	350,000,000
Common Stock, No Par Value	$ 0
Common Stock, Shares, Issued	71,000,000
Common Stock, Shares, Outstanding	71,000,000
Common Stock, Value, Issued	$ 0	0
Additional paid-in capital	561	561
Retained earnings	7,651	7,504
Total BHE shareholders' equity	8,212	8,065
Total liabilities and equity	22,000	21,437
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents	92	25
Restricted cash and cash equivalents	12	11
Inventories	65	69
Other current assets	37	26
Total current assets	489	466
Regulatory assets	741	746
Other assets	71	72
Total assets	8,400	8,336
Current liabilities:
Accounts payable	189	181
Accrued interest	38	32
Accrued property, income and other taxes	38	25
Other current liabilities	38	22
Total current liabilities	456	409
Regulatory liabilities	1,171	1,163
Deferred income taxes	740	738
Other long-term liabilities	267	257
Total liabilities	5,459	5,397
Commitments and contingencies
BHE shareholders' equity:
Common Stock, Shares Authorized	1,000	1,000
Common Stock, Shares, Issued	1,000	1,000
Common Stock, Shares, Outstanding	1,000	1,000
Common Stock, Value, Issued	$ 0	$ 0
Additional paid-in capital	2,308	2,308
Retained earnings	636	634
Accumulated other comprehensive loss, net	(3)	(3)
Total BHE shareholders' equity	2,941	2,939
Total liabilities and equity	8,400	8,336
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents	8	19
Restricted cash and cash equivalents	7	7
Inventories	74	77
Other current assets	38	36
Total current assets	320	305
Regulatory assets	270	267
Other assets	185	183
Total assets	3,963	3,919
Current liabilities:
Accounts payable	103	108
Accrued interest	11	14
Accrued property, income and other taxes	16	14
Short-term debt	55	45
Other current liabilities	33	25
Total current liabilities	260	255
Regulatory liabilities	466	463
Deferred income taxes	382	374
Other long-term liabilities	133	131
Total liabilities	2,524	2,508
Commitments and contingencies
BHE shareholders' equity:
Common Stock, Shares Authorized	20,000,000	20,000,000
Common Stock, Shares, Issued	1,000	1,000
Common Stock, Shares, Outstanding	1,000	1,000
Common Stock, Value, Issued	$ 0	$ 0
Additional paid-in capital	1,111	1,111
Retained earnings	329	301
Accumulated other comprehensive loss, net	(1)	(1)
Total BHE shareholders' equity	1,439	1,411
Total liabilities and equity	3,963	3,919
Eastern Energy Gas Holdings, LLC [Member]
Current assets:
Cash and cash equivalents	106	35
Restricted cash and cash equivalents	9	13
Trade receivables, net	158	177
Inventories	120	119
Other current assets	145	122
Total current assets	845	656
Property, plant and equipment, net	10,099	10,144
Goodwill	1,286	1,286
Investments and restricted cash and cash equivalents and investments	262	244
Other assets	240	291
Total assets	12,732	12,621
Current liabilities:
Accounts payable	59	71
Accrued interest	54	19
Accrued property, income and other taxes	60	29
Current portion of long-term debt	500	500
Other current liabilities	127	147
Total current liabilities	857	814
Regulatory liabilities	668	669
Other long-term liabilities	215	218
Total liabilities	5,654	5,626
Commitments and contingencies
BHE shareholders' equity:
Accumulated other comprehensive loss, net	(45)	(53)
Total equity	7,078	6,995
Total liabilities and equity	$ 12,732	$ 12,621