Earnings Per Share - Schedule of Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share
Net income	$ 699.8	$ 762.1
Basic weighted-average common shares outstanding (in shares)	257.4	255.1
Effect of potentially dilutive securities:
Employee stock purchase program (in shares)	0.0	0.1
Diluted weighted-average common shares outstanding (in shares)	260.3	257.9
Basic net income per common share (in dollars per share)	$ 2.72	$ 2.99
Diluted net income per common share (in dollars per share)	$ 2.69	$ 2.96
Stock options
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.3	1.3
Restricted stock units (including PSUs)
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.6	1.4