Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		3 Months Ended			9 Months Ended
	May 03, 2021 lawsuit plaintiff StateAG	Jun. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)
Loss Contingencies [Line Items]
Inventory, Net			$ 14,329.0		$ 14,329.0		$ 13,198.0
Gain (Loss) Related to Litigation Settlement			15.0	$ 35.0	1,085.0	$ 5,729.0
Cost of Goods and Services Sold			37,463.0	37,272.0	114,578.0	110,955.0
Selling, General and Administrative Expense			1,120.0	$ 1,165.0	3,404.0	3,435.0
Other Accrued Liabilities, Current			2,573.0		2,573.0		$ 2,231.0
Forecast [Member]
Loss Contingencies [Line Items]
Income from Settlements of Class Action Lawsuits		$ 100.0
Opioid Lawsuits State [Domain] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	2,800
Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	3,300
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	31
New York Opioid Stewardship Act [Member]
Loss Contingencies [Line Items]
Estimated Liability for New York Opioid Stewardship Act					41.0
Aggregate Annual Assessment			100.0		100.0
DOJ Investigation [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement					$ 13.0
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	396
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	5,046
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	36
Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	430
Class Action Lawsuits [Member] | Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	127
Product Liability Lawsuits | Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual			514.0		514.0
Product Liability Lawsuits | Maximum
Loss Contingencies [Line Items]
Loss Contingency Accrual			1,010.0		1,010.0
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement					1,020.0	$ 5,630.0
Estimated Litigation Liability			$ 6,590.0		$ 6,590.0