Consolidated Statements of Operations - NPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Operating revenue	$ 4,527	$ 4,610
Cost of sales	1,038	1,214
Total operating expenses	3,608	3,691
Operating income	919	919
Interest expense	(483)	(477)
Capitalized interest	17	16
Allowance for equity funds	34	32
Other, net	(27)	35
Total other income (expense)	(412)	(432)
Income before income tax expense and equity income	507	487
Income tax benefit	(184)	(148)
Net income attributable to BHE shareholders	670	622
Nevada Power Company [Member]
Operating revenue	389	395
Cost of sales	170	173
Operations and maintenance	82	76
Depreciation and amortization	90	89
Property and other taxes	12	12
Total operating expenses	354	350
Operating income	35	45
Interest expense	(42)	(47)
Capitalized interest	1	1
Allowance for equity funds	2	1
Other, net	(1)	8
Total other income (expense)	(40)	(37)
Income before income tax expense and equity income	(5)	8
Income tax benefit	(1)	2
Net income attributable to BHE shareholders	$ (4)	$ 6