Income Taxes - Effective Income Tax Rate Reconciliation (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Income Taxes Disclosure [Line Items]
U.S. federal income tax rate	21.00%	21.00%	21.00%
State and local taxes, net	4.00%	1.00%	2.00%
Effect of foreign operations	15.00%	7.00%	12.00%
Change in valuation allowance	1.00%	(19.00%)	(16.00%)
Non-deductible goodwill and asset impairments	4.00%	0.00%	1.00%
Non-deductible compensation and benefits	3.00%	0.00%	4.00%
Remeasurement of deferred tax assets	0.00%	(2.00%)	(7.00%)
R&D tax credits	(3.00%)	(1.00%)	(2.00%)
Impact of dispositions	0.00%	(2.00%)	0.00%
Other	(2.00%)	1.00%	(1.00%)
Effective tax rate	43.00%	6.00%	14.00%
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
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
U.S. States
Income Taxes Disclosure [Line Items]
Remeasurement of deferred tax assets			$ 75

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

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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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