Consolidated Statements of Operations - NPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Operating revenue	$ 4,610	$ 4,440
Cost of sales	1,214	1,168
Total operating expenses	3,691	3,569
Operating income	919	871
Interest expense	(477)	(466)
Capitalized interest	16	12
Allowance for equity funds	32	21
Other, net	35	30
Total other income (expense)	(432)	(586)
Income before income tax expense and equity income	487	285
Income tax benefit	(148)	(221)
Net income attributable to BHE shareholders	622	513
Nevada Power Company [Member]
Operating revenue	395	395
Cost of sales	173	170
Operations and maintenance	76	91
Depreciation and amortization	89	84
Property and other taxes	12	10
Total operating expenses	350	355
Operating income	45	40
Interest expense	(47)	(45)
Capitalized interest	1	0
Allowance for equity funds	1	1
Other, net	8	4
Total other income (expense)	(37)	(40)
Income before income tax expense and equity income	8	0
Income tax benefit	2	0
Net income attributable to BHE shareholders	$ 6	$ 0