Statements of Operations - MEC - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating revenue:
Total operating revenue	$ 5,644	$ 5,637	$ 15,148	$ 15,070
Cost of sales	1,230	1,271	3,471	3,565
Operating expenses:
Total operating expenses	4,194	4,114	11,820	11,704
Operating income	1,450	1,523	3,328	3,366
Other income (expense):
Interest expense	(475)	(453)	(1,428)	(1,380)
Capitalized interest	23	17	56	44
Allowance for equity funds	56	30	126	75
Other, net	2	19	67	50
Total other income (expense)	(603)	(100)	(1,384)	(1,462)
Income before income tax (benefit) expense and equity income	847	1,423	1,944	1,904
Income tax (benefit) expense	(302)	23	(526)	(366)
Net Income (Loss) Attributable to Parent	1,137	1,401	2,443	2,286
MidAmerican Energy Company [Member]
Operating revenue:
Total operating revenue	796	832	2,297	2,295
Operating expenses:
Operations and maintenance	189	201	600	598
Depreciation and amortization	184	133	540	499
Property and other taxes	31	30	94	92
Total operating expenses	562	554	1,854	1,851
Operating income	234	278	443	444
Other income (expense):
Interest expense	(68)	(56)	(207)	(170)
Capitalized interest	7	6	20	14
Allowance for equity funds	27	16	59	39
Other, net	4	13	34	34
Total other income (expense)	(30)	(21)	(94)	(83)
Income before income tax (benefit) expense and equity income	204	257	349	361
Income tax (benefit) expense	(78)	(226)	(282)	(334)
Net Income (Loss) Attributable to Parent	282	483	631	695
Regulated electric | MidAmerican Energy Company [Member]
Operating revenue:
Total operating revenue	712	727	1,792	1,785
Cost of sales	113	140	318	366
Regulated natural gas and other | MidAmerican Energy Company [Member]
Operating revenue:
Total operating revenue	84	105	505	510
Cost of sales	$ 45	$ 50	$ 302	$ 296