Balance Sheet Components (Other Long-term Obligations) (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Schedule of Other Noncurrent Liabilities [Line Items]
Employee benefit liabilities	$ 490.8	$ 504.3
Contingent consideration	540.6	215.1
Tax related items, including contingencies	328.5	399.3
Operating Lease, Liability, Noncurrent	188.1	165.4
Restructuring Reserve, Noncurrent	127.8	59.2
Other	243.3	249.7
Other long-term obligations	$ 1,869.3	1,516.9
Biocon Biologics
Schedule of Other Noncurrent Liabilities [Line Items]
Contingent consideration		$ 15.8