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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		1 Months Ended	3 Months Ended
	Jan. 31, 2017 plaintiff lawsuit	Jul. 31, 2014	Dec. 31, 2016 USD ($)
Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	41
Number of plaintiffs | plaintiff	350
DEA Investigation and Related Matters
Loss Contingencies [Line Items]
Litigation accrual			$ 44.0
State of West Virginia vs Cardinal Health, Inc [Member]
Loss Contingencies [Line Items]
Litigation accrual			20.0
CVS Health
Loss Contingencies [Line Items]
Initial term of pharmaceutical sourcing venture		10 years
Maximum quarterly payment			$ 45.6

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- Definition

Initial term of Pharmaceutical Sourcing Venture

+ References

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- Definition

Maximum Quarterly Payment for pharmaceutical sourcing venture if certain milestones are achieved.

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- Definition

Aggregate carrying amount of the estimated litigation liability for known or estimated probable loss from litigation, which may include attorneys' fees and other litigation costs.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.25)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The total number of new claims filed pertaining to a loss contingency during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349

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Number of plaintiffs that have filed claims pertaining to a loss contingency.

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