Consolidated Statements of Operations - MidAmerican Funding - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Operating revenue:
Total operating revenue	$ 4,612	$ 4,894	$ 9,139	$ 9,504
Cost of sales	888	1,027	1,926	2,241
Operating expenses:
Total operating expenses	3,676	3,935	7,284	7,626
Operating income	936	959	1,855	1,878
Other income (expense):
Interest expense	(503)	(476)	(986)	(953)
Allowance for borrowed funds	19	17	36	33
Allowance for equity funds	38	38	72	70
Other, net	52	30	25	65
Total other income (expense)	209	(349)	(203)	(781)
Income before income tax (benefit) expense and equity income	1,145	610	1,652	1,097
Income tax benefit	(7)	(76)	(191)	(224)
Net Income (Loss) Attributable to Parent	1,116	684	1,786	1,306
MidAmerican Funding, LLC and Subsidiaries [Domain]
Operating revenue:
Total operating revenue	616	660	1,302	1,502
Operating expenses:
Operations and maintenance	183	205	348	412
Depreciation and amortization	175	179	351	356
Property and other taxes	35	29	69	63
Total operating expenses	506	566	1,090	1,292
Operating income	110	94	212	210
Other income (expense):
Interest expense	(78)	(74)	(159)	(149)
Allowance for borrowed funds	4	7	7	13
Allowance for equity funds	9	17	17	32
Other, net	21	10	15	31
Total other income (expense)	(44)	(40)	(120)	(73)
Income before income tax (benefit) expense and equity income	66	54	92	137
Income tax benefit	(142)	(99)	(266)	(206)
Net Income (Loss) Attributable to Parent	208	153	358	343
Regulated electric | MidAmerican Funding, LLC and Subsidiaries [Domain]
Operating revenue:
Total operating revenue	518	538	989	1,080
Cost of sales	71	91	151	205
Regulated natural gas and other | MidAmerican Funding, LLC and Subsidiaries [Domain]
Operating revenue:
Total operating revenue	98	122	313	422
Cost of sales	$ 42	$ 62	$ 171	$ 256