Consolidated Balance Sheets - NPC - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,644	$ 935
Inventories	864	888
Other current assets	963	815
Total current assets	6,353	5,778
Regulatory assets	2,812	2,761
Other assets	1,232	1,248
Total assets	90,912	90,208
Current liabilities:
Accounts payable	1,089	1,519
Accrued interest	507	488
Accrued property, income and other taxes	446	354
Other current liabilities	1,209	1,049
Total current liabilities	10,492	11,603
Regulatory liabilities	7,368	7,309
Deferred income taxes	8,086	8,242
Other long-term liabilities	2,988	2,984
Total liabilities	62,118	61,900
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,363	6,368
Retained earnings	23,719	22,206
Accumulated other comprehensive loss, net	(1,415)	(398)
Total BHE shareholders' equity	28,667	28,176
Total liabilities and equity	90,912	90,208
Nevada Power Company [Member]
Current assets:
Cash and cash equivalents	97	57
Receivables, net	191	238
Inventories	58	59
Regulatory assets	28	28
Other current assets	59	44
Total current assets	433	426
Property, plant and equipment, net	6,855	6,877
Regulatory assets	928	941
Other assets	38	35
Total assets	8,254	8,279
Current liabilities:
Accounts payable	125	156
Accrued interest	39	50
Accrued property, income and other taxes	70	63
Regulatory liabilities	104	91
Current portion of long-term debt and financial and capital lease obligations	1,340	842
Customer deposits	61	73
Other current liabilities	46	16
Total current liabilities	1,785	1,291
Long-term debt and financial and capital lease obligations	1,732	2,233
Regulatory liabilities	1,015	1,030
Deferred income taxes	764	767
Other long-term liabilities	280	280
Total liabilities	5,576	5,601
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	2,308	2,308
Retained earnings	374	374
Accumulated other comprehensive loss, net	(4)	(4)
Total BHE shareholders' equity	2,678	2,678
Total liabilities and equity	$ 8,254	$ 8,279