Equity - Additional Information (Detail) - USD ($) $ / shares in Units, shares in Millions	1 Months Ended	3 Months Ended
	Aug. 30, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 22, 2021
Class of Stock [Line Items]
Stock repurchase program authorized amount				$ 1,000,000,000
Remaining authorized repurchase amount		$ 548,000,000
Class A Common Stock
Class of Stock [Line Items]
Stock repurchased and retired (in shares)		1.0	5.0
Stock repurchased and retired		$ 20,000,000	$ 84,000,000
Cash dividends declared per share of common stock (in usd per share)	$ 0.10
Class B Common Stock
Class of Stock [Line Items]
Stock repurchased and retired (in shares)		0.4	2.5
Stock repurchased and retired		$ 9,000,000	$ 43,000,000
Cash dividends declared per share of common stock (in usd per share)	$ 0.10