Commitments and Contingent Liabilities - Narrative (Details) $ in Millions		1 Months Ended	9 Months Ended
	Jul. 08, 2024 plaintiff	Jan. 31, 2024 USD ($)	Dec. 31, 2023 USD ($) case state distributor subdivision	Apr. 05, 2022 policy	Oct. 23, 2020 case
National Prescription Opioid Litigation
Loss Contingencies [Line Items]
Settlement payment			$ 529
National Prescription Opioid Litigation | United States
Loss Contingencies [Line Items]
Complaints filed against the entity | case			400
National Prescription Opioid Litigation | Canada
Loss Contingencies [Line Items]
Complaints filed against the entity | case			4
National Prescription Opioid Litigation | An individual | Canada
Loss Contingencies [Line Items]
Complaints filed against the entity | case			1
National Prescription Opioid Litigation
Loss Contingencies [Line Items]
Number of other national distributors named in suit | distributor			2
Number of states in which court cases are pending | state			48
Loss contingency, number of cases dismissed | case			2,300
Portion of settlement award to be used by state and local government for remediation (percent)			85.00%
Loss contingency, claims settled, number of jurisdictions not participating in settlement | subdivision			1
National Prescription Opioid Litigation | Expected
Loss Contingencies [Line Items]
Number of plaintiffs | plaintiff	8
National Prescription Opioid Litigation | State of Alabama and Subdivisions
Loss Contingencies [Line Items]
Settlement payment			$ 61
Award payable under proposed framework			$ 113
National Prescription Opioid Litigation | Native American Tribes Other Than Cherokee Nation
Loss Contingencies [Line Items]
Litigation settlement, amount awarded to other party, percentage of total settlement to be used to remediate damages			0.85
National Prescription Opioid Litigation | Three Largest U.S. Pharmaceutical Distributors
Loss Contingencies [Line Items]
Settlement payment			$ 1,500
Award payable under proposed framework			6,300
National Prescription Opioid Litigation | Three National Pharmaceutical Distributors | State of West Virginia and Subdivisions
Loss Contingencies [Line Items]
Settlement payment			38
Award payable under proposed framework			99
National Prescription Opioid Litigation | Three National Pharmaceutical Distributors | State of West Virginia and Subdivisions | Subsequent Event
Loss Contingencies [Line Items]
Settlement payment		$ 15
National Prescription Opioid Litigation | Three National Pharmaceutical Distributors | Cherokee Nation
Loss Contingencies [Line Items]
Settlement payment			84
National Prescription Opioid Litigation | Three National Pharmaceutical Distributors | Native American Tribes Other Than Cherokee Nation
Loss Contingencies [Line Items]
Award payable under proposed framework			$ 112
Insurance Coverage Litigation
Loss Contingencies [Line Items]
Complaints filed against the entity | case					2
Number of insurance policies | policy				2