Balance Sheets - MEC - USD ($) $ in Millions	Mar. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 1,276	$ 1,290
Inventories	1,110	1,168
Other current assets	3,236	2,741
Total current assets	10,220	9,447
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
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
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
Equity:
Common stock	0	0
Additional paid-in capital	6,377	6,377
Retained earnings	35,060	35,093
Accumulated other comprehensive loss, net	(1,440)	(1,552)
Total BHE shareholders' equity	43,089	43,010
Total liabilities and equity	127,522	127,316
MidAmerican Energy Company [Member]
Current assets:
Cash and cash equivalents	37	38
Trade receivables, net	521	234
Income Taxes Receivable, Current	293	0
Inventories	231	278
Other current assets	103	73
Total current assets	1,185	623
Property, plant and equipment, net	19,223	19,279
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
Long-term debt	7,224	7,210
Regulatory liabilities	1,257	1,111
Deferred income taxes	3,107	3,054
Asset retirement obligations	711	709
Other long-term liabilities	414	458
Total liabilities	13,788	13,372
Commitments and contingencies
Equity:
Common stock	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