Equity - Additional Information (Detail) - USD ($)	1 Months Ended	3 Months Ended	6 Months Ended
	Aug. 31, 2021	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Sep. 22, 2021	Sep. 21, 2021	May 31, 2013
Class of Stock [Line Items]
Majority shareholder ownership percentage						44.00%
Class A Common Stock
Class of Stock [Line Items]
Stock repurchase program authorized amount					$ 1,000,000,000		$ 500,000,000
Remaining authorized repurchase amount		$ 954,000,000	$ 954,000,000
Stock repurchased and retired (in shares)		1,400,000	1,400,000
Stock repurchased and retired		$ 31,000,000	$ 31,000,000
Shares repurchased during period (in shares)			0	0
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)		700,000	700,000
Stock repurchased and retired		$ 15,000,000	$ 15,000,000
Shares repurchased during period (in shares)			0	0
Ownership agreement, majority shareholder increase in voting power						1.75%
Cash dividends declared per share of common stock (in usd per share)	$ 0.10
Class B Common Stock | Maximum
Class of Stock [Line Items]
Majority shareholder ownership percentage						44.00%