Member's Equity - MidAmerican Funding (Details) - MidAmerican Funding, LLC - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Feb. 23, 2024	Dec. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Distribution paid to parent		$ 1,025	$ 69
Subsequent event
Class of Stock [Line Items]
Distribution paid to parent	$ 425