Income Taxes (Details)		9 Months Ended
		Sep. 30, 2023	Sep. 30, 2022
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent		21.00%	21.00%
Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent		6.20%	6.20%
Effective Income Tax Rate Reconciliation, Other Regulatory Items, Percent	[1]	(3.40%)	(3.70%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent		(1.10%)	(1.40%)
Effective Income Tax Rate Reconciliation, Percent		22.70%	22.10%

[1] Plant regulatory differences primarily relate to the credit of excess deferred taxes to customers through the average rate assumption method. Income tax benefits associated with the credit are offset by corresponding revenue reductions.