Income Taxes (Details)		3 Months Ended
		Mar. 31, 2024	Mar. 31, 2023
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		3.50%	3.50%
Effective Income Tax Rate Reconciliation, Tax Credit, Percent	[1]	(11.60%)	(11.70%)
Effective Income Tax Rate Reconciliation, Other Regulatory Items, Percent	[2]	(5.10%)	(4.80%)
Effective Income Tax Rate Reconciliation, Net Operating Loss Carryback, Percent		(1.30%)	(0.90%)
Effective Income Tax Rate Reconciliation, Other Adjustments, Percent		(0.10%)	0.30%
Effective Income Tax Rate Reconciliation, Percent		6.40%	7.40%

[1] Wind PTCs net of estimated transfer discounts are credited to customers (reduction to revenue) and do not materially impact net income.

[2] 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.