Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
Loss Contingencies [Line Items]
Other current assets	$ 469	$ 393
U.K. Newspaper Matters
Loss Contingencies [Line Items]
Selling, general and administrative expenses (benefit), net	10	$ 8	$ 10
Litigation liability accrued	47
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	$ 55