Earnings Per Share - Schedule of Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share
Net income	$ 3,619.6	$ 3,322.0	$ 2,342.1
Basic weighted-average common shares outstanding (in shares)	257.7	256.1	257.7
Effect of potentially dilutive securities:
Employee stock purchase program (in shares)	0.0	0.0	0.0
Diluted weighted-average common shares outstanding (in shares)	260.5	259.1	259.9
Basic net income per common share (in dollars per share)	$ 14.05	$ 12.97	$ 9.09
Diluted net income per common share (in dollars per share)	$ 13.89	$ 12.82	$ 9.01
Restricted stock units (including PSUs)
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.6	1.6	1.1
Stock options
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.2	1.4	1.1