Stockholders' Equity - Additional Information (Detail)		12 Months Ended
	Aug. 03, 2020 USD ($) shares	Jun. 30, 2020 vote business_day $ / shares shares	Jun. 30, 2019 $ / shares shares	Jun. 30, 2018 right business_day $ / shares shares	Jun. 30, 2017 shares	May 31, 2013 USD ($)
Class of Stock [Line Items]
Number of votes per share | vote		1
Subsequent Event
Class of Stock [Line Items]
Remaining authorized repurchase amount | $	$ 429,000,000
Class A Common Stock
Class of Stock [Line Items]
Common stock, shares authorized		1,500,000,000	1,500,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common stock outstanding, net of treasury stock		388,922,752	385,580,015	383,000,000	382,000,000
Authorized repurchase amount | $						$ 500,000,000
Number of rights | right				1
Exercise period | business_day				10
Exercise price (in dollars per share) | $ / shares				$ 90.00
Class A Common Stock | Subsequent Event
Class of Stock [Line Items]
Aggregate number of shares repurchased	5,200,000
Amount repurchased during period | $	$ 71,000,000
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized		750,000,000	750,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01	$ 0.01
Common stock outstanding, net of treasury stock		199,630,240	199,630,240	200,000,000	200,000,000
Shares repurchased during period, shares		0	0	0
Beneficial ownership percentage		15.00%
Divestment period of over purchase of shares | business_day		10,000,000,000
Series Common Stock
Class of Stock [Line Items]
Common stock, shares authorized		25,000,000
Common stock, par value (in dollars per share) | $ / shares		$ 0.01
Common stock outstanding, net of treasury stock		0
Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized		25,000,000
Preferred stock, par value (in dollars per share) | $ / shares		$ 0.01