Consolidated Statements of Operations - MidAmerican Funding LLC - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating revenue:
Total operating revenue	$ 25,920	$ 25,602	$ 26,337
Operating expenses:
Cost of fuel and energy	6,616	7,057	6,757
Total operating expenses	21,574	22,822	21,096
Operating income	4,346	2,780	5,241
Other income (expense):
Interest expense	(2,716)	(2,415)	(2,216)
Allowance for equity funds	352	267	167
Other, net	86	116	(7)
Total other income (expense)	(1,173)	(819)	(3,828)
Income before income tax expense (benefit) and equity income (loss)	3,173	1,961	1,413
Income tax expense (benefit)	(1,582)	(1,699)	(1,916)
Net income attributable to parent	4,300	3,020	2,721
MidAmerican Funding, LLC
Operating revenue:
Total operating revenue	3,251	3,393	4,025
Operating expenses:
Cost of fuel and energy	797	952	1,442
Operations and maintenance	879	851	828
Depreciation and amortization	1,001	908	1,168
Property and other taxes	166	161	149
Total operating expenses	2,843	2,872	3,587
Operating income	408	521	438
Other income (expense):
Interest expense	(434)	(362)	(333)
Allowance for borrowed funds	25	19	15
Allowance for equity funds	65	59	51
Other, net	84	48	0
Total other income (expense)	(260)	(236)	(267)
Income before income tax expense (benefit) and equity income (loss)	148	285	171
Income tax expense (benefit)	(843)	(695)	(776)
Net income attributable to parent	991	980	947
Regulated electric | MidAmerican Funding, LLC
Operating revenue:
Total operating revenue	2,584	2,673	2,988
Operating expenses:
Cost of fuel and energy	430	501	679
Regulated natural gas and other | MidAmerican Funding, LLC
Operating revenue:
Total operating revenue	667	720	1,037
Operating expenses:
Cost of fuel and energy	$ 367	$ 451	$ 763