Income Taxes (Tables)

3 Months Ended

Mar. 31, 2017

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,
	2017		2016
Federal statutory income tax rate	35	%	35	%
Income tax credits	(16	)	(14	)
State income tax, net of federal income tax benefit	(5	)	(4	)
Income tax effect of foreign income	(5	)	(5	)
Equity income	1		2
Other, net	(1	)	—
Effective income tax rate	9	%	14	%

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 is as follows:

	Three-Month Periods
	Ended March 31,
	2017		2016
Federal statutory income tax rate	35	%	35	%
Income tax credits	(80	)	(57	)
State income tax, net of federal income tax benefit	2		5
Effects of ratemaking	(12	)	(12	)
Other, net	1		—
Effective income tax rate	(54	)%	(29	)%

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 is as follows:

	Three-Month Periods
	Ended March 31,
	2017		2016
Federal statutory income tax rate	35	%	35	%
Income tax credits	(87	)	(62	)
State income tax, net of federal income tax benefit	2		5
Effects of ratemaking	(13	)	(14	)
Other, net	(2	)	1
Effective income tax rate	(65	)%	(35	)%