Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Operating revenue:
Energy	$ 3,679	$ 3,581
Real estate	761	585
Total operating revenue	4,440	4,166
Energy:
Cost of sales	1,168	1,119
Operating expense	928	887
Depreciation and amortization	704	610
Real estate	769	583
Total operating costs and expenses	3,569	3,199
Operating income	871	967
Other income (expense):
Interest expense	(466)	(458)
Capitalized interest	12	10
Allowance for equity funds	21	17
Interest and dividend income	26	26
Realized and unrealized (loss) gain on marketable securities, net	(209)
Realized and unrealized (loss) gain on marketable securities, net		3
Other, net	30	26
Total other income (expense)	(586)	(376)
Income before income tax (benefit) expense and equity income	285	591
Income tax (benefit) expense	(221)	52
Equity income	12	24
Net income	518	563
Net income attributable to noncontrolling interests	5	7
Net income attributable to BHE shareholders	$ 513	$ 556