Commitments, Contingent Liabilities and Litigation (Details) $ in Millions					3 Months Ended			9 Months Ended
	Apr. 29, 2022 lawsuit plaintiff	Apr. 28, 2022 numberOfUSTerritories StateAG lawsuit plaintiff states	Jul. 31, 2021 lawsuit	Jul. 31, 2014	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Mar. 31, 2021 USD ($)	Mar. 31, 2022 USD ($)	Mar. 31, 2021 USD ($)	May 04, 2022 lawsuit	May 02, 2022 USD ($)	Feb. 28, 2022 lawsuit	Apr. 30, 2018 USD ($)
Loss Contingencies [Line Items]
Loss Related to Litigation Settlement					$ 61		$ 15	$ 113	$ 1,085
Pharmaceutical
Loss Contingencies [Line Items]
Judgment for lost profits						$ 16
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number | lawsuit	457
Product Liability Lawsuits
Loss Contingencies [Line Items]
Loss Contingency, Claims Settled, Number | lawsuit			1,300
Product Liability Lawsuits | Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual					494			494
Product Liability Lawsuits | Maximum
Loss Contingencies [Line Items]
Loss Contingency Accrual					1,050			1,050
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss					6,000			6,000
Estimated Litigation Liability					6,700			6,700
Estimated Litigation Liability, Current					738			738
Litigation Settlement, Expense									1,020
Payments for Legal Settlements								348
Total Opioid Litigation [Member] | Subsequent Event
Loss Contingencies [Line Items]
Settling States | states		46
Settling U.S Territories | numberOfUSTerritories		5
Loss Contingency Claims Settled Percent		98.00%
New York Opioid Stewardship Act [Member]
Loss Contingencies [Line Items]
Aggregate Annual Assessment													$ 100
Estimated Liability for New York Opioid Stewardship Act									41
Loss Contingency Accrual, Payments						$ 20
Loss Contingency Accrual					$ 20			$ 20
Opioid Lawsuits [Member]
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit												3,400
Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Number of State Attorneys General filing lawsuits | StateAG		25
Opioid Lawsuits [Member] | WEST VIRGINIA | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff		63
Opioid Lawsuits [Member] | WASHINGTON | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss											$ 160
Opioid Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit										453
Opioid Lawsuits [Member] | Private Parties [Member] | GEORGIA | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff		21
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit										141
Opioid Lawsuits State [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit		2,700
Loss Contingency, Claims Settled, Number | lawsuit		2,000
Loss Contingency, Pending Claims, Number | lawsuit		700
Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, New Claims Filed, Number | lawsuit	26
Product Liability Lawsuits | Alameda County [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	5,872
Product Liability Lawsuits | Other Jurisdictions [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	30
DOJ Investigation [Member]
Loss Contingencies [Line Items]
Loss Related to Litigation Settlement									$ 13
CVS Health
Loss Contingencies [Line Items]
Long-term Purchase Commitment, Period				10 years