Commitments, Contingent Liabilities and Litigation (Details) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 04, 2020 StateAG plaintiff lawsuit	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Sep. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Loss Contingencies [Line Items]
Inventory, Net		$ 13,799.0		$ 13,799.0			$ 12,822.0
Opioid Total Settlement, Cuyahoga and Summit Counties		215.0		215.0
Cost of Goods and Services Sold		38,021.0	$ 36,010.0	73,683.0	$ 69,556.0
Selling, General and Administrative Expense		1,163.0	$ 1,064.0	2,270.0	$ 2,219.0
Other Accrued Liabilities, Current		2,239.0		$ 2,239.0			$ 2,122.0
Opioid Lawsuits State [Domain] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number	2,500
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]
Estimated Litigation Liability						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	23
InvestigationbyMultitateTaskForce | StateAG	43
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	299
Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual		441.0		441.0
Maximum
Loss Contingencies [Line Items]
Loss Contingency Accrual		885.0		885.0
Alameda County [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	3,773
Other Jurisdictions [Member] | Product Liability Lawsuits | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Number of Plaintiffs | plaintiff	35
Private Parties [Member] | Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit	365
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]
Estimated Litigation Liability						5,140.0
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability		5,630.0		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		96.0		96.0
Cost of Goods and Services Sold		56.0
Selling, General and Administrative Expense		40.0
Other Accrued Liabilities, Current		$ 58.0		$ 58.0