Income Taxes (Tables)

3 Months Ended

Mar. 31, 2016

Schedule of Effective Income Tax Rate Reconciliation [Line Items]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the federal statutory income tax rate to the effective income tax rate applicable to income before income tax expense is as follows:

	Three-Month Periods
	Ended March 31,
	2016		2015
Federal statutory income tax rate	35	%	35	%
Income tax credits	(14	)	(11	)
State income tax, net of federal income tax benefit	(4	)	2
Income tax effect of foreign income	(5	)	(4	)
Equity income	2		2
Other, net	—		(2	)
Effective income tax rate	14	%	22	%

MidAmerican Energy Company [Member]

Schedule of Effective Income Tax Rate Reconciliation [Line Items]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the federal statutory income tax rate to MidAmerican Energy's effective income tax rate applicable to income before income tax benefit from continuing operations is as follows:

	Three-Month Periods
	Ended March 31,
	2016		2015
Federal statutory income tax rate	35	%	35	%
Income tax credits	(57	)	(63	)
State income tax, net of federal income tax benefit	5		4
Effects of ratemaking	(12	)	(11	)
Other, net	—		(1	)
Effective income tax rate	(29	)%	(36	)%

MidAmerican Funding, LLC and Subsidiaries [Domain]

Schedule of Effective Income Tax Rate Reconciliation [Line Items]

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the federal statutory income tax rate to MidAmerican Funding's effective income tax rate applicable to income before income tax benefit from continuing operations is as follows:

	Three-Month Periods
	Ended March 31,
	2016		2015
Federal statutory income tax rate	35	%	35	%
Income tax credits	(62	)	(55	)
State income tax, net of federal income tax benefit	5		3
Effects of ratemaking	(14	)	(10	)
Other, net	1		(1	)
Effective income tax rate	(35	)%	(28	)%