Income Taxes (Tables)

6 Months Ended

Jun. 30, 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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2016		2015		2016		2015
Federal statutory income tax rate	35	%	35	%	35	%	35	%
Income tax credits	(12	)	(13	)	(13	)	(12	)
State income tax, net of federal income tax benefit	1		1		(1	)	1
Income tax effect of foreign income	(6	)	(8	)	(5	)	(6	)
Equity income	2		2		2		2
Other, net	(1	)	(4	)	(1	)	(3	)
Effective income tax rate	19	%	13	%	17	%	17	%

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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2016		2015		2016		2015
Federal statutory income tax rate	35	%	35	%	35	%	35	%
Income tax credits	(60	)	(74	)	(59	)	(69	)
State income tax, net of federal income tax benefit	(5	)	(10	)	(1	)	(4	)
Effects of ratemaking	(2	)	(14	)	(6	)	(13	)
Other, net	—		(1	)	—		—
Effective income tax rate	(32	)%	(64	)%	(31	)%	(51	)%

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				Six-Month Periods
	Ended June 30,				Ended June 30,
	2016		2015		2016		2015
Federal statutory income tax rate	35	%	35	%	35	%	35	%
Income tax credits	(63	)	(79	)	(63	)	(67	)
State income tax, net of federal income tax benefit	(5	)	(11	)	(2	)	(4	)
Effects of ratemaking	(2	)	(15	)	(6	)	(13	)
Other, net	—		—		1		—
Effective income tax rate	(35	)%	(70	)%	(35	)%	(49	)%