Income Taxes - Geographical Breakdown Income before Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Income Tax Disclosure [Abstract]
Domestic	$ 3,369.6	$ 2,635.6	$ 1,977.7
Foreign	880.1	629.5	444.3
Income before income taxes	$ 4,249.7	$ 3,265.1	$ 2,422.0