Earnings Per Share - Schedule of Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share
Net income	$ 646.3	$ 1,099.6
Basic weighted-average common shares outstanding (in shares)	256.9	258.2
Effect of potentially dilutive securities:
Employee stock purchase program (in shares)	0.0	0.0
Diluted weighted-average common shares outstanding (in shares)	259.5	261.1
Basic net income per common share (in dollars per share)	$ 2.52	$ 4.26
Diluted net income per common share (in dollars per share)	$ 2.49	$ 4.21
Restricted stock units (including performance-based restricted stock units (“PSUs”))
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.6	1.7
Stock options
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.0	1.2