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Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences, with jurisdictional netting, and liabilities classified as noncurrent and other.

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Amount, before allocation of a valuation allowances, of deferred tax assets attributable to deductible tax credit carryforwards including, but not limited to, research, foreign, general business, alternative minimum tax, and other deductible tax credit carryforwards.

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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

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The portion of the valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from net operating loss carryforwards for which it is more likely than not that a tax benefit will not be realized.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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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 undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended						12 Months Ended
Income Taxes (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Taxes
Goodwill impairment loss							$ 675.0	$ 1,227.0
Provision for/(benefit from) income taxes	$ 80.0	$ 143.0	$ (33.0)	$ 209.0	$ (27.0)	$ (3.0)	$ 348.0	$ 332.0	$ 153.0
Effective Income Tax Rate Reconciliation, Percent							28.90%	50.00%	(19.50%)
Provision at Federal statutory rate							21.00%	21.00%	21.00%
Deferred income taxes and other liabilities							$ 8,035.0	$ 8,657.0
Unrecognized tax benefits that would impact effective tax rate							882.0	878.0	$ 866.0
Effective Tax Rate Impact From Certain Foreign Jurisdictions							23.0
Undistributed Earnings of Foreign Subsidiaries							1,000.0
Deferred tax assets on tax credit carryforwards							(512.0)	(672.0)
Valuation allowance on operating loss carryforwards							(288.0)
Unrecognized tax benefits							981.0	1,015.0	948.0	$ 957.0
Unrecognized tax benefits, interest and penalties accrued							65.0	65.0	48.0
GMPD
Income Taxes
Goodwill impairment loss	$ 90.0		$ 585.0				675.0	1,227.0	2,100.0
Minimum
Income Taxes
Estimated range of decrease in unrecognized tax benefits within the next 12 months							0.0
Maximum
Income Taxes
Estimated range of decrease in unrecognized tax benefits within the next 12 months							20.0
Federal
Income Taxes
Tax credit carryforwards							401.0
State and Local
Income Taxes
Tax credit carryforwards							10,700.0
Foreign
Income Taxes
Tax credit carryforwards							1,100.0
Total Opioid Litigation [Member]
Income Taxes
Litigation settlement									5,630.0
GMPD
Income Taxes
Provision for/(benefit from) income taxes							$ (58.0)	$ (92.0)	$ (140.0)