Income Taxes - Income Taxes Paid (Details) $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)
Effective Income Tax Rate Reconciliation [Line Items]
U.S. Federal	$ 808.0
State:
Other	175.2
Foreign:
Foreign subtotal:	112.7
Total cash paid for income taxes (net of refunds)	1,095.9
Ireland
Foreign:
Foreign subtotal:	90.3
Other
Foreign:
Foreign subtotal:	$ 22.4