Income Taxes (Tables)

9 Months Ended

Sep. 30, 2023

Income Tax Disclosure [Abstract]

Schedule of Effective Income Tax Rate Reconciliation

Nine Months Ended September 30,	2023			2022
U.S. statutory rate		21.0	%		21.0	%
Increases (reductions) resulting from:
State taxes, net of federal benefit		4.1			4.0
Reversal of excess deferred income taxes		(4.8	)		(4.5	)
Allowance for equity funds used during construction		—			(0.2	)
Settlements of uncertain tax positions		(2.7	)		—
Other, net		(0.2	)		(0.2	)
Effective tax rate		17.4	%		20.1	%