Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		1 Months Ended	12 Months Ended
	Aug. 10, 2021 lawsuit plaintiff StateAG	Jul. 31, 2021 lawsuit	Jun. 30, 2021 USD ($)	Jun. 30, 2020 USD ($)	Jun. 30, 2019 USD ($)
Loss Contingencies [Line Items]
Income from Settlements of Class Action Lawsuits			$ 112	$ 16	$ 94
Cost of Goods and Services Sold			155,689	146,054	138,700
Distribution, selling, general and administrative expenses			4,533	4,572	4,480
Gain (Loss) Related to Litigation Settlement			(1,129)	(5,741)	$ (36)
Opioid Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	3,300
Number of State Attorneys General filing lawsuits | StateAG	25
Opioid Lawsuits State [Domain] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	2,900
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	32
Loss Contingency, Claims Settled, Number | lawsuit		1,300
New York Opioid Stewardship Act
Loss Contingencies [Line Items]
Aggregate Annual Assessment			100
DOJ Investigation
Loss Contingencies [Line Items]
Gain (Loss) Related to Litigation Settlement			13
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff	5,427
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff	37
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Number of lawsuits filed | lawsuit	419
Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual			524
Maximum
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss			1,030
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability			6,730
Loss Contingency, Estimate of Possible Loss			6,370
Gain (Loss) Related to Litigation Settlement			1,170	5,630
Litigation Settlement, Expense			1,170	$ 5,630
Total Opioid Litigation [Member] | Other Accrued Liabilities
Loss Contingencies [Line Items]
Estimated Litigation Liability			$ 405
Private Parties [Member] | Opioid Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	442
Class Action Lawsuits [Member] | Private Parties [Member] | Opioid Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	128