Stockholders Equity - Narrative (Detail) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 08, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Stockholders Equity [Line Items]
Stock repurchase program, authorized amount		$ 4,000.0		$ 4,000.0
Shares repurchased		250.0	$ 247.0	$ 500.0	$ 497.0
Subsequent Event
Stockholders Equity [Line Items]
Stock repurchase program, authorized amount	$ 7,000.0
Stock repurchase program, additional authorized amount	$ 3,000.0
Class A and Class B Common Stock
Stockholders Equity [Line Items]
Shares repurchased				16.0
Shares repurchased				$ 500.0
Remaining buyback authorization amount		$ 900.0		$ 900.0
Class A and Class B Common Stock | Subsequent Event
Stockholders Equity [Line Items]
Shares repurchased	1.6
Shares repurchased	$ 50.0
Class A Common Stock
Stockholders Equity [Line Items]
Cash dividend per share (in dollars per share)		$ 0	$ 0	$ 0.25	$ 0.24
Class B Common Stock
Stockholders Equity [Line Items]
Cash dividend per share (in dollars per share)		$ 0	$ 0	$ 0.25	$ 0.24