Investments - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Schedule of Equity Method Investments [Line Items]
Equity losses of affiliates	$ (65)	$ (47)	$ (17)
Other Equity Affiliates, Net
Schedule of Equity Method Investments [Line Items]
Equity losses of affiliates	(65)	(47)	$ (17)
Impairments of investment	$ 54	$ 32

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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