Income Taxes - Schedule of (Loss) Income from Continuing Operations Before Income Tax Expense (Benefit) Attributable to Jurisdictions (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Income Tax Disclosure [Abstract]
U.S.	$ 266	$ (310)	$ 99
Foreign	184	(1,214)	255
Income (loss) before income tax expense	$ 450	$ (1,524)	$ 354