Commitments, Contingent Liabilities and Litigation Narrative (Details)		3 Months Ended			5 Months Ended	12 Months Ended		40 Months Ended	164 Months Ended
	Apr. 30, 2023 USD ($) lawsuit	Sep. 30, 2024 USD ($) numberOfUSTerritories states Rate	Sep. 30, 2023 USD ($)	Jun. 30, 2023 plaintiff	Sep. 30, 2023 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Oct. 31, 2024 USD ($) lawsuit	Jun. 30, 2038 USD ($)	Aug. 31, 2024 USD ($)	Nov. 30, 2023 USD ($)	Oct. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Apr. 30, 2018 USD ($)
Loss Contingencies [Line Items]
Gain (Loss) from Litigation Settlement		$ 40,000,000	$ 41,000,000
Income from Settlements of Class Action Lawsuits		43,000,000	$ 41,000,000
Product Liability Lawsuits [Member] | IVC April 2023 Agreement
Loss Contingencies [Line Items]
Loss Contingency, Claims Settled, Number | lawsuit	4,375
Product Liability Lawsuits [Member] | Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual		289,000,000
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
litigation settlement liability recorded		5,000,000,000
Estimated Litigation Liability, Current		$ 789,000,000
Litigation Settlement, Loss						$ 340,000,000
Income As A Result Of Prepayments						105,000,000
Loss Contingency Accrual, Period Increase (Decrease)						344,000,000
Opioid Lawsuits [Member]
Loss Contingencies [Line Items]
Settling States | states		48
Settling U.S Territories | numberOfUSTerritories		5
Percentage Settling Subdivisions [Line Items] | Rate		99.00%
Insurance Recoveries		$ 9,000,000				34,000,000
Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Payments for Legal Settlements								$ 1,900,000,000	$ 4,400,000,000
Opioid Lawsuits [Member] | WEST VIRGINIA
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss													$ 124,000,000
Opioid Lawsuits [Member] | 921150 American Indian and Alaska Native Tribal Governments
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss												$ 136,000,000
Opioid Lawsuits [Member] | ALABAMA
Loss Contingencies [Line Items]
Litigation Settlement, Loss						$ 22,000,000
Loss Contingency, Estimate of Possible Loss											$ 123,000,000
Opioid Lawsuits [Member] | City of Baltimore
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss										$ 153,000,000
Opioid Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit								367
Opioid Lawsuits [Member] | Private Parties [Member] | GEORGIA
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff				21
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member]
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss		$ 213,000,000
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit								98
Product Liability Lawsuits [Member]
Loss Contingencies [Line Items]
Loss Contingency Accrual, Period Increase (Decrease)							$ 103,000,000
Product Liability Lawsuits [Member] | IVC April 2023 Agreement
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 275,000,000
Loss Contingency Accrual, Payments					$ 275,000,000
New York Opioid Stewardship Act [Member]
Loss Contingencies [Line Items]
Aggregate Annual Assessment														$ 100,000,000
CVS Health
Loss Contingencies [Line Items]
Long-term Purchase Commitment, Period		10 years