Basis of Presentation (Details) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) shares retail_customers	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Basis of Presentation [Abstract]
Number of Retail Customers | retail_customers	934,000
Entity Number of Employees	2,842
Number of Union Employees Subject to Agreement B	65
Public Utilities, Allowance for Funds Used During Construction, Capitalized Interest | $	$ 13	$ 7	$ 8
Number of Union Employees	661
Interest Income, Interest-Earning Asset | $	$ 19	$ 8	$ 6