Common Equity Common Stock And Treasury Stock Shares Activity (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Nov. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Class of Stock and Treasury Stock [Line Items]
Proceeds from Issuance of Common Stock	$ 853,300	$ 852,555	$ 200,776	$ 0
Common Stock And Treasury Stock [Roll Forward]
Stock Issued During Period, Shares, New Issues			1,930,330
Common Stock [Member]
Common Stock And Treasury Stock [Roll Forward]
Beginning Balance		271,965,510	270,035,180	270,035,180
Forward Contract Indexed to Issuer's Equity, Shares	7,688,419
Employee Stock-Based Compensation Plans		0	0	0
Directors' Plan		0	0	0
Ending Balance		279,653,929	271,965,510	270,035,180
Stock Issued During Period, Shares, New Issues		7,688,419	1,930,330	0
Treasury Stock [Member]
Common Stock And Treasury Stock [Roll Forward]
Beginning Balance		69,312,326	69,790,346	70,886,400
Employee Stock-Based Compensation Plans		(818,366)	(461,903)	(1,076,511)
Directors' Plan		(16,531)	(16,117)	(19,543)
Ending Balance		68,477,429	69,312,326	69,790,346
Stock Issued During Period, Shares, New Issues		0	0	0