Additional Balance Sheet & Cash Flow Information - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Tax-related prepaid and receivables	$ 634.5	$ 357.0
Prepaid expenses	101.7	102.2
Fair value of cash flow hedges	6.2	130.1
Other	110.9	76.4
Prepaid expenses and other current assets	$ 853.3	$ 665.7

Fair value of all asset derivatives designated as cash flow hedging instruments.

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