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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions |  | 1 Months Ended | 3 Months Ended |
--- | --- | --- | --- | ---
Apr. 28, 2017 plaintiff lawsuit | Jul. 31, 2014 | Mar. 31, 2017 USD ($) | Sep. 30, 2016 USD ($)
Loss Contingencies [Line Items] |  |  |  |
Accrued Litigation Charges, Net |  |  | $ 93.0 |
Subsequent Event |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Number of lawsuits filed | lawsuit | 58 |  |  |
Number of plaintiffs | plaintiff | 500 |  |  |
State of West Virginia vs Cardinal Health, Inc [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Estimated Litigation Liability |  |  | 20.0 |
Litigation accrual |  |  | 20.0 |
CVS Health |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Initial term of pharmaceutical sourcing venture |  | 10 years |  |
Maximum quarterly payment |  |  | $ 45.6 |
Cordis [Member] |  |  |  |
Loss Contingencies [Line Items] |  |  |  |
Accrued Legal Defense Costs |  |  |  | $ 79.0

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