Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Jun. 30, 2020
Loss Contingencies [Line Items]
Other current assets	$ 453		$ 393
U.K. Newspaper Matters
Loss Contingencies [Line Items]
Selling, general and administrative expenses, net	2	$ 2
Litigation liability accrued	54
U.K. Newspaper Matters Indemnification | 21st Century Fox
Loss Contingencies [Line Items]
Other current assets	$ 61