Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Utility plant, net	$ 11,397	$ 10,778
Receivables, customer, allowance for uncollectible accounts	6	6
Total current assets	1,287	1,429
Total deferred debits and other assets	$ 3,736	$ 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	$ 1,001	$ 773
Total current assets	87	89
Total deferred debits and other assets	$ 27	$ 26