Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Millions, $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Utility plant, net	$ 10,907	$ 10,778
Receivables, customer, allowance for uncollectible accounts	8	6
Total current assets	1,285	1,429
Total deferred debits and other assets	$ 3,437	$ 3,379
Common stock, par value	$ 0	$ 0
Common stock, shares outstanding	40.3	40.3
Variable Interest Entity, Primary Beneficiary [Member]
Utility plant, net	$ 788	$ 773
Total current assets	87	89
Total deferred debits and other assets	$ 26	$ 26