Equity-Based Compensation - Summary of Activity from Continuing and Discontinued Operations Related to Target PSUs and RSUs Settled in Shares (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2020
Number of shares
Number of shares, Unvested units at beginning of the year	7,022	7,717	10,280
Number of shares, Granted	3,475	3,546	4,468
Number of shares, Vested	(3,526)	(3,676)	(5,565)
Number of shares, Cancelled	(674)	(565)	(1,466)
Number of shares, Unvested units at the end of the year	6,297	7,022	7,717
Weighted average grant- date fair value
Weighted average grant-date fair value, Unvested units at beginning of the year (in dollars per share)	$ 14.61	$ 13.39	$ 13.70
Weighted average grant-date fair value, Granted (in dollars per share)	21.96	15.59	12.79
Weighted average grant-date fair value, Vested (in dollars per share)	13.56	13.30	14.12
Weighted average grant-date fair value, Cancelled (in dollars per share)	19.12	15.05	10.97
Weighted average grant-date fair value, Unvested units at the end of the year (in dollars per share)	$ 18.65	$ 14.61	$ 13.39
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted	3,475	3,546	4,468
Fair value of PSUs and RSUs vested during the period	$ 48	$ 49	$ 79
Number of shares, Cancelled	674	565	1,466
Restricted Stock Units
Number of shares
Number of shares, Vested	(2,100)	(1,600)
Number of shares, Cancelled	(500)	(300)	(700)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Cancelled	500	300	700
Restricted Stock Units | Settled in Stock
Number of shares
Number of shares, Granted	2,400	2,400	3,300
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted	2,400	2,400	3,300
Performance Stock Units
Number of shares
Number of shares, Granted	1,000	1,600	2,100
Number of shares, Vested	(3,000)	(3,600)	(6,300)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted	1,000	1,600	2,100
Payout adjustment of performance share units			400
Performance Stock Units | Settled in Stock
Number of shares
Number of shares, Granted	600	800	1,200
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares, Granted	600	800	1,100
Number of shares, Granted	600	800	1,200
Payout adjustment of performance share units	200	300	400
Performance Stock Units | 2019 Fiscal
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout adjustment of performance share units	500		100
Performance Stock Units | 2018 Fiscal
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout adjustment of performance share units		300