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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Stock Compensation - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Stock compensation
Stock compensation expense	$ 249.3	$ 266.1	$ 215.9
Dividend yield (as percent)	0.00%
Escient
Stock compensation
Asset acquisition, compensation expense		31.5
Options
Stock compensation
Unrecognized compensation cost for nonvested option	$ 21.8
Vesting period of recognition of the unrecognized compensation cost of nonvested awards (in years)	1 year 3 months 18 days
Restricted Stock Units (RSUs)
Stock compensation
Unrecognized compensation cost for nonvested option	$ 248.9
Vesting period of recognition of the unrecognized compensation cost of nonvested awards (in years)	1 year 6 months
Performance Shares
Stock compensation
Stock compensation expense	$ 19.7	30.1	17.2
Unrecognized compensation cost for nonvested option	$ 40.2
Vesting period of recognition of the unrecognized compensation cost of nonvested awards (in years)	2 years 3 months 18 days
Research and Development Expense
Stock compensation
Stock compensation expense	$ 150.2	161.3	126.7
Selling, General and Administrative Expenses
Stock compensation
Stock compensation expense	95.6	102.5	86.1
Cost of Sales
Stock compensation
Stock compensation expense	$ 3.5	$ 2.3	$ 3.1