Consolidated Statements of Operations - SPPC - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Total operating revenue	$ 5,092	$ 5,069	$ 13,254	$ 13,738
Cost of sales	1,187	1,354	3,252	3,937
Total operating costs and expenses	3,507	3,533	9,862	10,265
Operating income	1,585	1,536	3,392	3,473
Interest expense	460	475	1,401	1,423
Allowance for equity funds	17	23	147	84
Other, net	15	(9)	26	27
Total other income (expense)	(375)	(416)	(1,007)	(1,164)
Income before income tax expense and equity income	1,210	1,120	2,385	2,309
Income tax expense	199	269	394	474
Net income attributable to BHE shareholders	1,036	874	2,062	1,901
Sierra Pacific Power Company [Member]
Electric Domestic Regulated Revenue	207	228	539	625
Gas Domestic Regulated Revenue	15	18	81	94
Total operating revenue	222	246	620	719
Cost of sales	73	96	208	294
Cost of Purchased Oil and Gas	5	7	42	57
Utilities Operating Expense, Maintenance and Operations	40	42	126	119
Utilities Operating Expense, Depreciation and Amortization	30	28	88	84
Utilities Operating Expense, Taxes	5	7	18	19
Total operating costs and expenses	153	180	482	573
Operating income	69	66	138	146
Interest expense	12	16	42	46
Allowance for Funds Used During Construction, Capitalized Interest	0	0	1	1
Allowance for equity funds	1	1	2	2
Other, net	2	1	3	3
Total other income (expense)	(9)	(14)	(36)	(40)
Income before income tax expense and equity income	60	52	102	106
Income tax expense	22	19	37	38
Net income attributable to BHE shareholders	$ 38	$ 33	$ 65	$ 68