Consolidated Statements of Operations - NPC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Operating revenue	$ 6,081	$ 4,527
Cost of sales	1,569	1,038
Total operating expenses	4,748	3,608
Operating income	1,333	919
Interest expense	(530)	(483)
Allowance for borrowed funds	14	17
Allowance for equity funds	26	34
Other, net	8	(27)
Total other income (expense)	(1,579)	(412)
Income before income tax expense and equity income	(246)	507
Income tax benefit	(535)	(184)
Net income attributable to BHE shareholders	4	670
Nevada Power Company [Member]
Operating revenue	370	389
Cost of sales	165	170
Operations and maintenance	63	82
Depreciation and amortization	101	90
Property and other taxes	12	12
Total operating expenses	341	354
Operating income	29	35
Interest expense	(38)	(42)
Allowance for borrowed funds	1	1
Allowance for equity funds	1	2
Other, net	9	(1)
Total other income (expense)	(27)	(40)
Income before income tax expense and equity income	2	(5)
Income tax benefit	0	(1)
Net income attributable to BHE shareholders	$ 2	$ (4)