Estimated Liability for New York Opioid Stewardship Act

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Investment spending at the Corporate level. Investment spending generally includes the first year spend for certain projects that require incremental investments in the form of additional operating expenses.

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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 loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees.

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- Definition

Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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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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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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Segment Information (Narrative) (Details) $ in Millions	3 Months Ended		6 Months Ended
Segment Information (Narrative) (Details) $ in Millions	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2021 USD ($) segment	Dec. 31, 2020 USD ($)
Segment Reporting Information [Line Items]
Loss Related to Litigation Settlement	$ 34	$ 32	$ 52	$ 1,070
Project costs on investment and other spending	11	6	$ 18	11
Number of reportable segments \| segment			2
Number of operating segments \| segment			2
Goodwill, Impairment Loss			$ 1,307
Number of operating segments \| segment			2
Number of reportable segments \| segment			2
Project costs on investment and other spending	11	$ 6	$ 18	11
Medical Unit
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss	1,300
Medical
Segment Reporting Information [Line Items]
Goodwill, Impairment Loss	$ 1,307
New York Opioid Stewardship Act [Member]
Segment Reporting Information [Line Items]
Estimated Liability for New York Opioid Stewardship Act				41
Total Opioid Litigation [Member]
Segment Reporting Information [Line Items]
Litigation Settlement, Expense				$ 1,020