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Net Income Per Common Share
3 Months Ended
Mar. 31, 2023
Earnings Per Share [Abstract]  
Net Income Per Common Share Net Income Per Common Share
The computations of net income per common share are presented in the following table.
TABLE 61: NET INCOME PER COMMON SHARE
THREE MONTHS ENDED MARCH 31,
($ In Millions Except Per Common Share Information)20232022
Basic Net Income Per Common Share
Average Number of Common Shares Outstanding208,186,841 208,024,962 
Net Income$334.6 $389.3 
Less: Dividends on Preferred Stock16.2 16.2 
Net Income Applicable to Common Stock318.4 373.1 
Less: Earnings Allocated to Participating Securities3.2 3.1 
Earnings Allocated to Common Shares Outstanding315.2 370.0 
Basic Net Income Per Common Share$1.51 $1.78 
Diluted Net Income Per Common Share
Average Number of Common Shares Outstanding208,186,841 208,024,962 
Plus: Dilutive Effect of Share-based Compensation543,548 784,171 
Average Common and Potential Common Shares208,730,389 208,809,133 
Earnings Allocated to Common and Potential Common Shares$315.2 $370.0 
Diluted Net Income Per Common Share1.51 1.77 
Note:    For the three months ended March 31, 2023 and 2022, there were no common stock equivalents excluded in the computation of diluted net income per share.