Consolidated Balance Sheets - SPPC - USD ($) $ in Millions	Sep. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 1,016	$ 935
Inventories	851	888
Other current assets	860	815
Total current assets	5,784	5,778
Regulatory assets	2,778	2,761
Other assets	1,276	1,248
Total assets	91,862	90,208
Current liabilities:
Accounts payable	1,331	1,519
Accrued interest	518	488
Accrued property, income and other taxes	543	354
Other current liabilities	1,026	1,049
Total current liabilities	7,821	11,603
Regulatory liabilities	7,553	7,309
Deferred income taxes	8,895	8,242
Other long-term liabilities	2,552	2,984
Total liabilities	62,174	61,900
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	6,357	6,368
Retained earnings	25,361	22,206
Accumulated other comprehensive loss, net	(1,667)	(398)
Total BHE shareholders' equity	29,557	28,176
Total liabilities and equity	91,862	90,208
Sierra Pacific Power Company [Member]
Current assets:
Cash and cash equivalents	71	4
Accounts receivable, net	106	112
Inventories	53	49
Regulatory assets	8	32
Other current assets	32	17
Total current assets	270	214
Property, plant and equipment, net	2,938	2,892
Regulatory assets	293	300
Other assets	15	7
Total assets	3,516	3,413
Current liabilities:
Accounts payable	84	92
Accrued interest	11	14
Accrued property, income and other taxes	13	10
Regulatory liabilities	32	19
Current portion of long-term debt and financial and capital lease obligations	2	2
Customer deposits	19	15
Other current liabilities	25	12
Total current liabilities	186	164
Long-term debt and financial and capital lease obligations	1,153	1,152
Regulatory liabilities	489	481
Deferred income taxes	333	330
Other long-term liabilities	107	114
Total liabilities	2,268	2,241
Commitments and contingencies
Equity:
Common stock	0	0
Additional paid-in capital	1,111	1,111
Retained earnings	138	62
Accumulated other comprehensive loss, net	(1)	(1)
Total BHE shareholders' equity	1,248	1,172
Total liabilities and equity	$ 3,516	$ 3,413