Income Taxes - Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Income Taxes Disclosure [Line Items]
U.S. federal income tax rate	21.00%	21.00%	21.00%
State and local taxes, net	1.00%	2.00%	1.00%
Effect of foreign operations	7.00%	12.00%	(2.00%)
Change in valuation allowance (b)	(19.00%)	(16.00%)	0.00%
Non-deductible goodwill and asset impairments	0.00%	1.00%	(22.00%)
Non-deductible compensation and benefits	0.00%	4.00%	0.00%
Remeasurement of deferred tax assets	(2.00%)	(7.00%)	0.00%
R&D tax credits	(1.00%)	(2.00%)	1.00%
Impact of dispositions	2.00%	0.00%	0.00%
Other	1.00%	(1.00%)	0.00%
Effective tax rate	6.00%	14.00%	(1.00%)
Non-cash impairment charge	$ 15	$ 0	$ 1,690
Certain Deferred Tax Assets
Income Taxes Disclosure [Line Items]
Remeasurement of deferred tax assets		(64)
U.S. Federal
Income Taxes Disclosure [Line Items]
Remeasurement of deferred tax assets	(156)
U.S. States
Income Taxes Disclosure [Line Items]
Remeasurement of deferred tax assets		(75)
Foreign Tax Authority
Income Taxes Disclosure [Line Items]
Remeasurement of deferred tax assets	(149)
Foreign Tax Authority \| UNITED KINGDOM
Income Taxes Disclosure [Line Items]
Amount of change in enacted tax rate	$ 18	$ 34
Goodwill
Income Taxes Disclosure [Line Items]
Non-deductible goodwill, asset and investment impairment			$ 262

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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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 the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets.

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