Consolidated Balance Sheets - SPPC - USD ($) $ in Millions	Mar. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,644	$ 935
Trade receivables, net	1,772	2,014
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
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents	32	4
Trade receivables, net	107	112
Inventories	48	49
Regulatory assets	18	32
Other current assets	24	17
Total current assets	229	214
Property, plant and equipment, net	2,901	2,892
Regulatory assets	300	300
Other assets	9	7
Total assets	3,439	3,413
Current liabilities:
Accounts payable	74	92
Accrued interest	11	14
Accrued property, income and other taxes	13	10
Regulatory liabilities	27	19
Current portion of long-term debt and financial and capital lease obligations	2	2
Customer deposits	17	15
Other current liabilities	18	12
Total current liabilities	162	164
Long-term debt and financial and capital lease obligations	1,151	1,152
Regulatory liabilities	474	481
Deferred income taxes	338	330
Other long-term liabilities	108	114
Total liabilities	2,233	2,241
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	1,111	1,111
Retained earnings	96	62
Accumulated other comprehensive loss, net	(1)	(1)
Total BHE shareholders' equity	1,206	1,172
Total liabilities and equity	$ 3,439	$ 3,413