Stockholders Equity - Narrative (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		9 Months Ended
	May 10, 2022	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022	Mar. 31, 2021
Stockholders Equity [Line Items]
Stock repurchase program, authorized amount		$ 4,000.0		$ 4,000.0
Shares repurchased		251.0	$ 306.0	$ 748.0	$ 725.0
Class A and Class B Common Stock
Stockholders Equity [Line Items]
Shares repurchased				20.0
Shares repurchased				$ 748.0
Remaining buyback authorization amount		$ 1,650.0		$ 1,650.0
Class A and Class B Common Stock | Subsequent Event
Stockholders Equity [Line Items]
Shares repurchased	1.4
Shares repurchased	$ 52.0
Class A Common Stock
Stockholders Equity [Line Items]
Cash dividend per share (in dollars per share)		$ 0.24	$ 0.23	$ 0.48	$ 0.46
Class B Common Stock
Stockholders Equity [Line Items]
Cash dividend per share (in dollars per share)		$ 0.24	$ 0.23	$ 0.48	$ 0.46