Consolidated Statements of Operations - MidAmerican Funding - 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):
Other Interest and Dividend Income	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 Funding, LLC and Subsidiaries [Domain]
Operating revenue:
Electric Domestic Regulated Revenue	399	426
Gas Domestic Regulated Revenue And Other Revenue	227	301
Total operating revenue	626	727
Operating costs and expenses:
Cost of Domestic Regulated Electric	92	122
Cost of Natural Gas Purchases And Cost of Other Goods And Services Sold	135	205
Utilities Operating Expense, Maintenance and Operations	161	170
Utilities Operating Expense, Depreciation and Amortization	110	100
Utilities Operating Expense, Taxes	28	29
Total operating costs and expenses	526	626
Operating income	100	101
Other income (expense):
Other Interest and Dividend Income	54	50
Allowance for Funds Used During Construction, Capitalized Interest	1	2
Allowance for equity funds	4	5
Other, net	3	16
Total other income (expense)	(46)	(27)
Income before income tax expense and equity income	54	74
Income tax expense	(19)	(21)
Income (Loss) from Continuing Operations Attributable to Parent	73	95
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	$ 73	$ 99