Earnings Per Share - Schedule of Computation (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Antidilutive Securities Excluded from Computation of Earnings Per Share
Net income (loss)	$ 1,082.9	$ 1,045.4	$ 2,762.1	$ (1,448.6)
Basic weighted-average common shares outstanding (in shares)	255.6	258.0	256.4	258.1
Effect of potentially dilutive securities:
Diluted weighted-average common shares outstanding (in shares)	257.6	261.0	258.6	258.1
Basic net income (loss) per common share (in dollars per share)	$ 4.24	$ 4.05	$ 10.77	$ (5.61)
Diluted net income (loss) per common share (in dollars per share)	$ 4.20	$ 4.01	$ 10.68	$ (5.61)
Restricted stock units (including performance-based restricted stock units (“PSUs”))
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	1.1	1.9	1.3	0.0
Stock options
Effect of potentially dilutive securities:
Share-based payment arrangements (in shares)	0.9	1.1	0.9	0.0