Consolidated Statements of Operations - MEC - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Operating revenue:
Total operating revenue	$ 4,041	$ 4,221
Operating costs and expenses:
Total operating costs and expenses	3,088	3,291
Operating income	953	930
Other income (expense):
Interest expense	(473)	(472)
Allowance for equity funds	15	31
Other, net	10	26
Total other income (expense)	(410)	(360)
Income before income tax expense and equity income	543	570
Income tax expense	74	123
Net income attributable to BHE shareholders	490	469
MidAmerican Energy Company [Member]
Operating revenue:
Electric Domestic Regulated Revenue	399	426
Gas Domestic Regulated Revenue And Other Revenue	226	296
Total operating revenue	625	722
Operating costs and expenses:
Cost of Domestic Regulated Electric	92	122
Cost of gas sold and other	135	201
Utilities Operating Expense, Maintenance and Operations	160	170
Utilities Operating Expense, Depreciation and Amortization	110	100
Utilities Operating Expense, Taxes	28	29
Total operating costs and expenses	525	622
Operating income	100	100
Other income (expense):
Interest expense	(49)	(44)
Allowance for Funds Used During Construction, Capitalized Interest	1	2
Allowance for equity funds	4	5
Other, net	3	3
Total other income (expense)	(41)	(34)
Income before income tax expense and equity income	59	66
Income tax expense	(17)	(24)
Income (Loss) from Continuing Operations Attributable to Parent	76	90
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	0	7
Discontinued Operation, Tax Effect of Discontinued Operation	0	3
Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent	0	4
Net income attributable to BHE shareholders	$ 76	$ 94