Additional Financial Information - Components of Other, Net Included in Statement of Operations (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Mar. 31, 2023	Mar. 31, 2022
Other Income and Expenses [Line Items]
Remeasurement of equity securities	$ (2)	$ (18)	$ (16)	$ 1
Total Other, net	14	13	(10)	143
PropertyGuru Pte. Ltd. | REA Group
Other Income and Expenses [Line Items]
Gain on sale of businesses		$ 15		$ 107
Ownership percentage		17.50%		17.50%
Nonoperating Income (Expense)
Other Income and Expenses [Line Items]
Remeasurement of equity securities	(2)	$ (19)	(16)	$ 0
Dividends received from equity security investments	2	8	6	18
Gain on sale of businesses	0	0	0	98
Gain on remeasurement of previously-held interest	0	0	0	3
Gain on dilution of PropertyGuru investment	0	15	0	15
Other	14	9	0	9
Total Other, net	$ 14	$ 13	$ (10)	$ 143