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Number of Business Operations

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Number of National Brand Medical-Surgical Products

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Revenue Derived From Services, Percentage

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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 of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Interest and debt related expenses associated with nonoperating financing activities of the entity.

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The change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods, which change has been reflected in the statement of income during the period.

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Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.

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Amount of increase (decrease) in loss contingency liability.

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The number of countries in which the entity operates as of balance sheet date.

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Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

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The net result for the period of deducting operating expenses from operating revenues.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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Segments of Business (Details) product in Thousands, $ in Millions	3 Months Ended		12 Months Ended
	Jun. 30, 2021 USD ($) segment product business_operation country	Jun. 30, 2020 USD ($)	Jun. 30, 2021 product segment business_operation country	Mar. 31, 2021 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments \| segment	4		4
Segment revenues
Total revenues	$ 62,674.0	$ 55,679.0
Segment operating profit
Total operating profit	568.0	678.0
Corporate income (expenses), net	(303.0)	(68.0)
Interest expense	(49.0)	(60.0)
Income from continuing operations before income taxes	562.0	645.0
Pre-tax credits related to LIFO accounting	23.0	52.0
Net gain on settlement proceeds	(74.0)	131.0
National Prescription Opioid Litigation
Segment operating profit
Pre-tax expenses related to estimated litigation liability	74.0			$ 8,100.0
Operating Segments
Segment operating profit
Total operating profit	914.0	773.0
Shareholder derivative action
Segment operating profit
Net gain on settlement proceeds		131.0
U.S. Pharmaceutical
Segment revenues
Total revenues	50,019.0	44,670.0
Segment operating profit
Total operating profit	$ 682.0	613.0
Revenue derived from services, percentage (less than)	1.00%
Pre-tax credits related to LIFO accounting	$ 23.0	52.0
Prescription Technology Solutions
Segment revenues
Total revenues	881.0	656.0
Segment operating profit
Total operating profit	$ 104.0	68.0
Revenue derived from services, percentage (less than)	35.00%
Medical-Surgical Solutions
Segment revenues
Total revenues	$ 2,528.0	1,801.0
Segment operating profit
Total operating profit	$ 75.0	89.0
Revenue derived from services, percentage (less than)	2.00%
Inventory impairments and excess inventory	$ 164.0
Medical-Surgical Solutions \| United States
Segment Reporting Information [Line Items]
Number of national brand medical-surgical products offered (more than) \| product	275		275
International
Segment revenues
Total revenues	$ 9,246.0	8,552.0
Segment operating profit
Total operating profit	$ 53.0	$ 3.0
Revenue derived from services, percentage (less than)	7.00%
International \| Europe
Segment Reporting Information [Line Items]
Number of countries in which entity segment operates \| country	12		12
Number of business operations \| business_operation	2		2