Fair Value Measurement Fair Value Inputs, Liabilities, Hospira Quantitative Information (Details) - Hospira [Member]		12 Months Ended
	Feb. 03, 2017	Dec. 31, 2019
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Assumptions, Expected Volatility Rate-Adjusted EBITDA	26.00%	30.00%
Fair Value Assumptions, Market Price of Risk	5.99%	5.24%
Fair Value Assumptions, Cost of Debt	4.08%	5.25%
Measurement Input, Cost of Debt [Domain]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.0875	0.0825
Measurement Input, Risk Free Interest Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.0258	0.0287