Segment Information - Reconciliation of Earnings/ (loss) from Continuing Operations to Ebitda (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Earnings/(loss) from continuing operations	$ 585	$ 221	$ 137
Total unallocated costs	(1)	146	143
Depreciation and amortization	289	254	229
Interest expense, net	110	126	111
Income tax expense	$ 130	$ 39	$ 23