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Contingent Liabilities and Litigation (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Gain (Loss) Related to Litigation Settlement [Abstract]
Litigation Settlement, Gross	$ 9	$ 3	$ 24	$ 37
State of West Virginia vs Cardinal Health, Inc
Loss Contingencies [Line Items]
Loss Contingency, Number of Defendants			13

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- Definition

Amount of judgment or settlement awarded to (against) the entity in respect of litigation.

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Number of defendants named in a legal action.

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