Income Taxes - Schedule of Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets:
Capitalized research and development	$ 4,598.7	$ 2,997.5
Purchases of intangible assets	1,781.4	1,981.9
Sales rebates and discounts	1,775.7	1,632.5
Correlative tax adjustments	1,604.3	1,031.3
Tax loss and other tax carryforwards	586.9	527.2
Tax credit carryforwards	577.0	577.0
Compensation and benefits	565.2	521.4
Foreign tax redeterminations	334.8	323.7
Operating lease liabilities	240.5	253.3
Other	358.6	463.4
Total gross deferred tax assets	12,423.1	10,309.2
Valuation allowances	(963.7)	(913.5)
Total deferred tax assets	11,459.4	9,395.7
Deferred tax liabilities:
Intangibles	(1,176.4)	(1,338.2)
Earnings of foreign subsidiaries	(773.1)	(796.6)
Prepaid employee benefits	(611.0)	(460.6)
Property and equipment	(557.6)	(495.2)
Operating lease assets	(219.1)	(237.1)
Financial instruments	(137.3)	(75.1)
Inventories	(58.2)	(619.5)
Total deferred tax liabilities	(3,532.7)	(4,022.3)
Deferred tax assets, net	$ 7,926.7	$ 5,373.4

Deferred Tax Assets, Corrective Tax Adjustments

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