Additional Financial Information - Components of Other, Net Included in Statement of Operations (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2021
Other Income and Expenses [Line Items]
Remeasurement of equity securities	$ (11)	$ (9)	$ (14)	$ 19
Total Other, net	(6)	$ (7)	(24)	130
PropertyGuru Pte. Ltd. | REA Group
Other Income and Expenses [Line Items]
(Loss) gain on sale of businesses				$ 107
Ownership percentage		18.00%		18.00%
Nonoperating Income (Expense)
Other Income and Expenses [Line Items]
Remeasurement of equity securities	(11)	$ (9)	(14)	$ 19
Dividends received from equity security investments	2	9	4	10
(Loss) gain on sale of businesses	0	(9)	0	98
Gain on remeasurement of previously-held interest	0	3	0	3
Other	3	(1)	(14)	0
Total Other, net	$ (6)	$ (7)	$ (24)	$ 130