Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		3 Months Ended		9 Months Ended
	May 04, 2020 StateAG plaintiff lawsuit	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2019 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Loss Contingencies [Line Items]
Inventory, Net		$ 12,808.0		$ 12,808.0			$ 12,822.0
Opioid Total Settlement, Cuyahoga and Summit Counties		215.0		215.0
Gain (Loss) Related to Litigation Settlement		35.0	$ 17.0	5,729.0	$ 20.0
Cost of Goods and Services Sold		37,272.0	33,464.0	110,955.0	103,021.0
Selling, General and Administrative Expense		1,165.0	$ 1,097.0	3,435.0	$ 3,315.0
Other Accrued Liabilities, Current		2,179.0		$ 2,179.0			$ 2,122.0
Opioid Lawsuits State [Domain] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	2,700
Opioid Litigation, less Cuyahoga and Summit Counties [Member]
Loss Contingencies [Line Items]
Cash Component For Settlement Framework, Term				18 years
Estimated Litigation Liability						$ 5,560.0
Opioid Litigation, Cuyahoga and Summit Counties [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement				$ 66.0
Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	3,000
Number of State Attorneys General filing lawsuits | StateAG	25
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number | lawsuit	29
CVS Health
Loss Contingencies [Line Items]
Long-term Purchase Commitment, Period				10 years
Maximum quarterly payment				$ 45.6
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number | lawsuit	309
Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual		466.0		466.0
Maximum
Loss Contingencies [Line Items]
Loss Contingency Accrual		900.0		900.0
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	3,924
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	34
Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	400
Class Action Lawsuits [Member] | Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	105
Total Opioid Litigation, net of tax [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement				5,140.0
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement				5,630.0
Estimated Litigation Liability		5,630.0		5,630.0
Sterile Surgical Gown Recall [Member] [Domain]
Loss Contingencies [Line Items]
Inventory, Net		38.0		38.0
Inventory Recall Expense				95.0
Cost of Goods and Services Sold				55.0
Selling, General and Administrative Expense				40.0
Other Accrued Liabilities, Current		$ 55.0		$ 55.0