Consolidated Statements of Operations - SPPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Total operating revenue	$ 4,894	$ 4,993	$ 9,504	$ 9,433
Cost of sales	1,027	1,126	2,241	2,294
Total operating expenses	3,935	4,021	7,626	7,590
Operating income	959	972	1,878	1,843
Interest expense	(476)	(461)	(953)	(927)
Allowance for equity funds	38	24	70	45
Other, net	30	1	65	31
Total other income (expense)	(349)	(776)	(781)	(1,362)
Income before income tax expense and equity income	610	196	1,097	481
Income tax benefit	(76)	(168)	(224)	(389)
Net income attributable to BHE shareholders	684	372	1,306	885
Sierra Pacific Power Company [Member]
Total operating revenue	194	188	413	410
Operations and maintenance	40	48	84	87
Depreciation and amortization	32	29	63	59
Property and other taxes	6	6	12	12
Total operating expenses	167	169	349	344
Operating income	27	19	64	66
Interest expense	(12)	(11)	(24)	(21)
Allowance for Funds Used During Construction, Capitalized Interest	1	1	1	1
Allowance for equity funds	1	1	2	2
Other, net	1	3	3	5
Total other income (expense)	(9)	(6)	(18)	(13)
Income before income tax expense and equity income	18	13	46	53
Income tax benefit	4	6	10	12
Net income attributable to BHE shareholders	14	7	36	41
Regulated electric | Sierra Pacific Power Company [Member]
Total operating revenue	172	169	354	350
Cost of sales	79	78	161	155
Regulated natural gas | Sierra Pacific Power Company [Member]
Total operating revenue	22	19	59	60
Cost of sales	$ 10	$ 8	$ 29	$ 31