Consolidated Statements of Operations - NPC - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
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
Nevada Power Company [Member]
Operating revenue	527	562	922	957
Cost of sales	226	239	399	409
Operations and maintenance	78	107	154	198
Depreciation and amortization	89	84	178	168
Property and other taxes	11	10	23	20
Total operating expenses	404	440	754	795
Operating income	123	122	168	162
Interest expense	(41)	(45)	(88)	(90)
Allowance for Funds Used During Construction, Capitalized Interest	0	1	1	1
Allowance for equity funds	1	0	2	1
Other, net	5	5	13	9
Total other income (expense)	(35)	(39)	(72)	(79)
Income before income tax expense and equity income	88	83	96	83
Income tax benefit	19	19	21	19
Net income attributable to BHE shareholders	$ 69	$ 64	$ 75	$ 64