Consolidated Statements of Operations - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Operating revenue:
Energy	$ 3,720	$ 3,598	$ 7,399	$ 7,179
Real estate	1,273	956	2,034	1,541
Total operating revenue	4,993	4,554	9,433	8,720
Energy:
Cost of sales	1,126	1,049	2,294	2,168
Operations and maintenance	849	817	1,633	1,562
Depreciation and amortization	739	660	1,443	1,270
Property and other taxes	142	137	286	279
Real estate	1,165	846	1,934	1,429
Total operating expenses	4,021	3,509	7,590	6,708
Operating income	972	1,045	1,843	2,012
Other income (expense):
Interest expense	(461)	(457)	(927)	(915)
Capitalized interest	15	10	27	20
Allowance for equity funds	24	18	45	35
Interest and dividend income	32	27	58	53
(Losses) gains on marketable securities, net	(387)	2	(596)	5
Other, net	1	(1)	31	25
Total other income (expense)	(776)	(401)	(1,362)	(777)
Income before income tax (benefit) expense and equity income	196	644	481	1,235
Income tax (benefit) expense	(168)	83	(389)	135
Equity income	14	26	26	50
Net income	378	587	896	1,150
Net income attributable to noncontrolling interests	6	13	11	20
Net income attributable to BHE shareholders	$ 372	$ 574	$ 885	$ 1,130