Common Equity (Common Share Activity) (Details) - shares	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Common Stock Oustanding [Roll Forward]
Shares outstanding, January 1 (in shares)	251,134,966	250,474,529	249,868,415
Common stock issued during the period, Shareowner Direct Plan (in shares)	454,987	437,669	492,565
Common stock issued during the period, Equity-based compensation plans (in shares)	134,334	222,768	113,549
Shares outstanding, December 31 (in shares)	256,096,848	251,134,966	250,474,529
At-the-market Offering Program [Member]
Common Stock Oustanding [Roll Forward]
Common stock issued during the period, At-the-market offering program (in shares)	4,372,561	0	0