Net Income per Common Share (Tables)

12 Months Ended

Dec. 31, 2017

Computations of Net Income per Common Share

The computations of net income per common share are presented below.

TABLE 82: NET INCOME PER COMMON SHARE



	FOR THE YEAR ENDED DECEMBER 31,
($ In Millions Except Per Common Share Information)	2017		2016		2015
BASIC NET INCOME PER COMMON SHARE
Average Number of Common Shares Outstanding	228,257,664		227,580,584		232,279,849
Net Income	$	1,199.0	$	1,032.5	$	973.8
Less: Dividends on Preferred Stock	49.8		23.4		23.4

Net Income Applicable to Common Stock	$	1,149.2	$	1,009.1	$	950.4
Less: Earnings Allocated to Participating Securities	18.8		18.7		15.4

Earnings Allocated to Common Shares Outstanding	1,130.4		990.4		935.0
Basic Net Income Per Common Share	4.95		4.35		4.03

DILUTED NET INCOME PER COMMON SHARE
Average Number of Common Shares Outstanding	228,257,664		227,580,584		232,279,849
Plus Dilutive Effect of Share-based Compensation	1,396,737		1,570,822		1,941,880

Average Common and Potential Common Shares	229,654,401		229,151,406		234,221,729

Earnings Allocated to Common and Potential Common Shares	$	1,130.5	$	990.4	$	935.0
Diluted Net Income Per Common Share	4.92		4.32		3.99

Note: Common stock equivalents totaling 115,491, 1,108,067, and 371,059 for the years ended December 31, 2017, 2016, and 2015, respectively, were not included in the computation of diluted net income per common share because their inclusion would have been antidilutive.