Litigation Settlement, Amount Awarded to Other Party, Percentage of Total Settlement to Be Used to Remediate Damages

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- Definition

Litigation Settlement, Award Amount To Be Used by State and Local Government

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- Definition

Loss Contingency, Claims Settled, Number Of Jurisdictions Not Participating In Settlement

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- Definition

Loss Contingency, Number Of Cases Dismissed

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Loss Contingency, Number of Other Defendants

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- Definition

Loss Contingency, Number of States

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- Definition

Amount of gain (loss) recognized in settlement of litigation and insurance claims. Excludes claims within an insurance entity's normal claims settlement process.

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Amount awarded to other party in judgment or settlement of litigation.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of damages awarded to the plaintiff in the legal matter.

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Number of pending claims pertaining to a loss contingency.

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Commitments and Contingent Liabilities - Litigation and Claims Involving Distribution of Controlled Substances (Narrative) (Details) $ in Millions			12 Months Ended
	Aug. 08, 2025 USD ($)	Nov. 27, 2024 USD ($)	Mar. 31, 2026 USD ($) case distributor state jurisdiction	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)
Loss Contingencies [Line Items]
Claims and litigation charges, net			$ (3.0)	$ 108.0	$ 147.0
National Prescription Opiate Litigation
Loss Contingencies [Line Items]
Claims and litigation charges, net				114.0
National Prescription Opiate Litigation \| Canada
Loss Contingencies [Line Items]
Number of complaints served \| case			4
Individual Claimant \| National Prescription Opiate Litigation \| Canada
Loss Contingencies [Line Items]
Number of complaints served \| case			1
National Prescription Opiate Litigation
Loss Contingencies [Line Items]
Number of other defendants \| distributor			2
Number of states \| state			48
Loss contingency, number of cases dismissed \| case			2,300
Litigation settlement, award amount to be used by state and local government			85.00%
Aggregate settlement payments expected to be paid			$ 7,900.0
Number of jurisdictions that did not participate in settlement \| jurisdiction			1
Claims and litigation charges, net		$ 149.0
National Prescription Opiate Litigation \| Compensatory Damages
Loss Contingencies [Line Items]
Amounts awarded to plaintiff	$ 37.0
National Prescription Opiate Litigation \| Monetary Abatement
Loss Contingencies [Line Items]
Amounts awarded to plaintiff	$ 72.0
National Prescription Opiate Litigation \| State of Alabama and Subdivisions
Loss Contingencies [Line Items]
Aggregate settlement payments expected to be paid			$ 174.0
National Prescription Opiate Litigation \| West Virginia Subdivisions
Loss Contingencies [Line Items]
Aggregate settlement payments expected to be paid			152.0
National Prescription Opiate Litigation \| Native American Tribes Other Than Cherokee Nation
Loss Contingencies [Line Items]
Payments for legal settlements			$ 196.0
Percentage of total settlement to be used to remediate damages (in percent)			0.85
National Prescription Opiate Litigation \| Settling Governmental Entities and Cherokee Nation \| Settled Litigation
Loss Contingencies [Line Items]
Payments for legal settlements			$ 512.0	$ 515.0	$ 544.0