Commitments, Contingent Liabilities and Litigation (Details) $ in Millions			3 Months Ended	6 Months Ended		12 Months Ended		40 Months Ended	176 Months Ended
	Apr. 30, 2023 USD ($) lawsuit	Jul. 31, 2014	Dec. 31, 2024 USD ($)	Dec. 31, 2025 USD ($) numberOfUSTerritories states	Dec. 31, 2024 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2023 USD ($)	Oct. 31, 2024 USD ($)	Dec. 31, 2038 USD ($)	Feb. 04, 2026 lawsuit	Feb. 02, 2026 USD ($)	Oct. 31, 2022 USD ($)	Jul. 31, 2022 USD ($)	Apr. 30, 2018 USD ($)
Loss Contingencies [Line Items]
Income from Settlements of Class Action Lawsuits			$ 16	$ 19	$ 59
Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss											$ 160
Product Liability Lawsuits | IVC April 2023 Agreement
Loss Contingencies [Line Items]
Loss Contingency, Claims Settled, Number | lawsuit	4,375
Product Liability Lawsuits | Minimum
Loss Contingencies [Line Items]
Loss Contingency Accrual				36
Total Opioid Litigation [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability				4,300
Estimated Litigation Liability, Current				477
Litigation Settlement, Loss				403		$ 798
New York Opioid Stewardship Act [Member]
Loss Contingencies [Line Items]
Aggregate Annual Assessment														$ 100
Loss Contingency, Receivable, Proceeds				$ 17
Opioid Lawsuits [Member]
Loss Contingencies [Line Items]
Settling States | states				48
Settling U.S Territories | numberOfUSTerritories				5
Payments for Legal Settlements								$ 2,200
Insurance Recoveries				$ 5		$ 25
Opioid Lawsuits [Member] | Subsequent Event
Loss Contingencies [Line Items]
Payments for Legal Settlements									$ 4,100
Opioid Lawsuits [Member] | WEST VIRGINIA
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss													$ 124
Opioid Lawsuits [Member] | Native American tribes
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss												$ 136
Opioid Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit										193
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member]
Loss Contingencies [Line Items]
Estimated Litigation Liability				$ 213
Opioid Lawsuits [Member] | Class Action Lawsuits [Member] | Private Parties [Member] | Subsequent Event
Loss Contingencies [Line Items]
Loss Contingency, Lawsuits, Number | lawsuit										51
Product Liability Lawsuits | IVC April 2023 Agreement
Loss Contingencies [Line Items]
Loss Contingency, Estimate of Possible Loss	$ 275
Payments for Legal Settlements							$ 35
CVS Health
Loss Contingencies [Line Items]
Long-term Purchase Commitment, Period		10 years