Income Taxes - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Income tax expense	$ 99	$ 85	$ 170	$ 110
Income before income tax benefit (loss)	$ 361	$ 346	699	418
Gross income tax paid			92	98
Income tax refunds			$ 1	$ 9
PropertyGuru Pte. Ltd. \| REA Group
Schedule of Equity Method Investments [Line Items]
Ownership percentage	18.00%		18.00%

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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+ Details

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References + Details