Fair Value Measures and Disclosures Liability Measurement Inputs Hospira (Details) - Hospira [Member]	3 Months Ended
	Mar. 31, 2019	Dec. 31, 2018
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair Value Assumptions, Expected Volatility Rate-Adjusted EBITDA	30.00%
Fair Value Assumptions, Market Price of Risk	5.24%
Fair Value Assumptions, Cost of Debt	5.25%
Measurement Input, Cost of Debt [Domain]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.0825
Measurement Input, Risk Free Interest Rate [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Business Combination, Contingent Consideration, Liability, Measurement Input		0.0287