Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2019

Earnings Per Share [Abstract]

Schedule of Earnings Per Share

The computation of basic and diluted earnings per share was as follows:

	Year Ended December 31,
(in millions, except shares and per share amounts)	2019		2018		2017
Net income	$	3,468	$	2,888	$	4,536
Less: Dividends on mandatory convertible preferred stock	—		—		(55)
Net income attributable to common stockholders - basic	3,468		2,888		4,481
Add: Dividends related to mandatory convertible preferred stock	—		—		55
Net income attributable to common stockholders	$	3,468	$	2,888	$	4,536
Weighted average shares outstanding - basic	854,143,751		849,744,152		831,850,073
Effect of dilutive securities:
Outstanding stock options and unvested stock awards	9,289,760		8,546,022		9,200,873
Mandatory convertible preferred stock	—		—		30,736,504
Weighted average shares outstanding - diluted	863,433,511		858,290,174		871,787,450
Earnings per share - basic	$	4.06	$	3.40	$	5.39
Earnings per share - diluted	$	4.02	$	3.36	$	5.20
Potentially dilutive securities:
Outstanding stock options and unvested stock awards	16,359		148,422		33,980