Income Taxes (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Mar. 31, 2012
Income Taxes [Abstract]
Minimum chance of tax benefit being realized upon settlement, as percentage	50.00%
Additional taxes proposed by IRS, excluding penalties and interest	$ 849.0
Amount CareFusion is liable under tax matters agreement in the event amount must be paid to the taxing authority	$ 591.5

Amount affiliate is liable for under tax matters agreement in the event amount must be paid to the taxing authority.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration