Income Tax - Summary of Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pre-tax income
Domestic	$ (2,398.6)	$ 1,398.3	$ 1,486.0
Foreign	(119.4)	104.7	(233.5)
Income (loss) before income taxes	$ (2,518.0)	$ 1,503.0	$ 1,252.5