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Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		12 Months Ended
	Aug. 20, 2018 plaintiff states lawsuit	Jun. 30, 2018 USD ($)	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)
Commitments and Contingencies Disclosure [Abstract]
Future minimum rental payments for operating leases - 2019		$ 113.0
Future minimum rental payments for operating leases - 2020		97.0
Future minimum rental payments for operating leases - 2021		77.0
Future minimum rental payments for operating leases - 2022		58.0
Future minimum rental payments for operating leases - 2023		41.0
Future minimum rental payments for operating leases - thereafter		103.0
Rent expense, operating leases		172.0	$ 159.0	$ 126.0
Opioid Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	1,000
Number of counties | states	48
Loss Contingency State Attorneys Investigating Opioids | lawsuit	39
Cordis
Loss Contingencies [Line Items]
Loss Contingency Accrual, Net of Insurance Recoveries		259.0
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	174
Number of plaintiffs | plaintiff	1,918
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | plaintiff	20
Number of plaintiffs | plaintiff	21
Class Action Lawsuits [Member] | Opioid Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	32
CVS Health
Loss Contingencies [Line Items]
Maximum quarterly payment		$ 45.6

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