Consolidated Statements of Changes in Member's Equity - MidAmerican Funding LLC - USD ($) $ in Millions	Total	Additional Paid-in Capital	Retained Earnings	MidAmerican Funding, LLC	MidAmerican Funding, LLC Additional Paid-in Capital	MidAmerican Funding, LLC Retained Earnings
Balance at Dec. 31, 2019				$ 8,101	$ 1,679	$ 6,422
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	$ 6,943			818		818
Other equity transactions	0	$ (1)
Balance at Dec. 31, 2020				8,919	1,679	7,240
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	5,790			883		883
Other equity transactions	(1)			(1)		(1)
Balance at Dec. 31, 2021	46,694			9,801	1,679	8,122
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income attributable to parent	2,721			947		947
Other equity transactions	(12)	$ 1	$ (12)
Distribution to member				(69)		(69)
Balance at Dec. 31, 2022	$ 46,832			$ 10,679	$ 1,679	$ 9,000