Revenue Recognition and Accounts Receivable (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Derecognized accounts receivables	$ 30.8	$ 34.7
Net sales	15,388.4	16,218.1	$ 17,813.6
Accounts receivable in factoring arrangement	$ 415.7
Biocon Biologics
Accounts, Notes, Loans and Financing Receivable [Line Items]
Net sales		$ 601.1	607.3
Three Customers | Accounts Receivable | Credit Concentration Risk
Accounts, Notes, Loans and Financing Receivable [Line Items]
Concentration risk, percentage	28.00%	23.00%
Allowance for doubtful accounts
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowances for doubtful accounts	$ 118.8	$ 114.7	$ 154.5	$ 159.9