Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020	Jun. 30, 2020
Loss Contingencies [Line Items]
Other current assets	$ 388		$ 388		$ 393
U.K. Newspaper Matters
Loss Contingencies [Line Items]
Selling, general and administrative expenses, net	3	$ 4	8	$ 5
Litigation liability accrued	43		43
Impact due to reversal of previous accrued liability due to settlement with tax authority				$ 5
U.K. Newspaper Matters Indemnification | 21st Century Fox
Loss Contingencies [Line Items]
Other current assets	$ 52		$ 52