Earnings Per Common Share

12 Months Ended

Dec. 31, 2017

Earnings Per Common Share

Earnings Per Common Share

18. Earnings Per Common Share

The computations of the basic and diluted per share amounts were as follows:

	For the year ended December 31,
	2017		2016		2015
	(in millions, except per share data)
Net income	$	2,324.5	$	1,361.8	$	1,253.2
Subtract:
Net income attributable to noncontrolling interest		14.1		45.3		19.2
Preferred stock dividends		—		—		16.5
Excess of redemption value over carrying value of preferred shares redeemed		—		—		8.2
Total	$	2,310.4	$	1,316.5	$	1,209.3
Weighted-average shares outstanding:
Basic		288.9		289.4		294.4
Dilutive effects:
Stock options		2.0		1.3		1.5
Restricted stock units		2.0		1.7		1.7
Performance share awards		0.2		0.3		0.4
Diluted		293.1		292.7		298.0
Net income per common share:
Basic	$	8.00	$	4.55	$	4.11
Diluted	$	7.88	$	4.50	$	4.06

The calculation of diluted earnings per share for the years ended December 31, 2017, 2016 and 2015, excludes the incremental effect related to certain outstanding stock-based compensation grants due to their anti-dilutive effect.