Stockholders' Equity - Narrative (Detail) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 04, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Jun. 30, 2024
Stockholders Equity [Line Items]
Shares repurchased		$ 252,000,000	$ 253,000,000	$ 505,000,000	$ 505,000,000
Class A and Class B Common Stock
Stockholders Equity [Line Items]
Stock repurchase program, authorized amount		7,000,000,000		7,000,000,000
Remaining buyback authorization amount		$ 900,000,000		$ 900,000,000
Class A Common Stock
Stockholders Equity [Line Items]
Common stock, par value (in dollars per share)		$ 0.01		$ 0.01		$ 0.01
Shares repurchased (in shares)				12
Shares repurchased				$ 500,000,000
Cash dividend per share (in dollars per share)		0	$ 0	$ 0.27	$ 0.26
Class A Common Stock | Subsequent Event
Stockholders Equity [Line Items]
Shares repurchased (in shares)	1
Shares repurchased	$ 50,000,000
Cash dividend per share (in dollars per share)	$ 0.27
Class B Common Stock
Stockholders Equity [Line Items]
Common stock, par value (in dollars per share)		0.01		0.01		$ 0.01
Cash dividend per share (in dollars per share)		$ 0	$ 0	$ 0.27	$ 0.26
Class B Common Stock | Subsequent Event
Stockholders Equity [Line Items]
Cash dividend per share (in dollars per share)	$ 0.27