Consolidated Statements of Operations (LLC) (MidAmerican Funding, LLC and Subsidiaries [Domain], USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
MidAmerican Funding, LLC and Subsidiaries [Domain]
Operating revenue:
Regulated electric	$ 426	$ 411	$ 876	$ 826
Regulated gas	136	142	647	457
Nonregulated	213	206	482	397
Total operating revenue	775	759	2,005	1,680
Regulated operating costs and expenses:
Cost of fuel, energy and capacity	120	114	266	237
Cost of gas sold	83	88	492	312
Other operating expenses	123	111	232	217
Maintenance	77	70	121	115
Depreciation and amortization	85	104	170	211
Property and other taxes	29	30	61	60
Total regulated operating costs and expenses	517	517	1,342	1,152
Nonregulated operating costs and expenses:
Cost of sales	194	191	435	365
Other	13	8	24	14
Total nonregulated operating costs and expenses	207	199	459	379
Total operating costs and expenses	724	716	1,801	1,531
Operating income	51	43	204	149
Non-operating income:
Interest income	1	1	1	1
Allowance for equity funds	10	4	19	8
Other, net	4	4	9	10
Total non-operating income	15	9	29	19
Fixed charges:
Interest on long-term debt	50	40	96	81
Other interest expense	1	1	1	1
Allowance for borrowed funds	(4)	(2)	(8)	(3)
Total fixed charges	47	39	89	79
Income before income tax (benefit) expense	19	13	144	89
Income tax (benefit) expense	(11)	(9)	(41)	(33)
Net income	30	22	185	122
Net income attributable to noncontrolling interests	0	1	0	1
Net income attributable to MidAmerican Funding member	$ 30	$ 21	$ 185	$ 121