Consolidated Statements of Operations (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Operating revenue:
Energy	$ 3,773	$ 3,891
Real estate	448	358
Total operating revenue	4,221	4,249
Energy:
Cost of sales	1,354	1,632
Operating expense	906	822
Depreciation and amortization	581	475
Real estate	450	370
Total operating costs and expenses	3,291	3,299
Operating income	930	950
Other income (expense):
Interest expense	(472)	(418)
Capitalized interest	29	29
Allowance for equity funds	31	27
Interest and dividend income	26	9
Other, net	26	7
Total other income (expense)	(360)	(346)
Income before income tax expense and equity income	570	604
Income tax expense	123	112
Equity income	26	15
Net income	473	507
Net income attributable to noncontrolling interests	4	4
Net income attributable to BHE shareholders	$ 469	$ 503