Equity-Based Compensation (Summary of Restricted Stock Units and Target Performance Stock Units Granted to be Settled in Stock) (Details) - RSUs and PSUs - $ / shares shares in Thousands		12 Months Ended
		Jun. 30, 2020		Jun. 30, 2019		Jun. 30, 2018
RSUs and PSUs, Number of shares
Unvested units at beginning of the year		7,660	[1]	10,896	[1]	7,102
Granted		2,499		1,565	[2]	5,698	[3]
Vested		(1,862)		(5,070)	[4]	(1,112)
Cancelled		(254)		(3,166)		(792)
Net units granted in conversion as a result of Separation		0		1,011	[2],[3]	0
Granted after conversion		0		2,424		0
Unvested units at the end of the year	[1]	8,043		7,660		10,896
RSUs and PSUs, Weighted average grant-date fair value
Unvested units at beginning of the year	[5]	$ 32.27	[1]	$ 29.77	[1]	$ 28.62
Granted		32.44		46.11	[5]	32.21	[5]
Vested		43.07		30.07	[5]	34.59	[5]
Cancelled		27.14		29.72	[5]	30.28	[5]
Net units granted in conversion as a result of the Separation		0				0	[5]
Granted after conversion		0		40.11	[5]	0	[5]
Unvested units at the end of the year	[1]	$ 29.98		$ 32.27	[5]	$ 29.77	[5]

[1] The intrinsic value of unvested RSUs and target PSUs as of June 30, 2020 was approximately $215 million.

[2] ^{In fiscal 2019, 21CF’s Compensation Committee granted approximately 1.6 million 21CF RSUs to certain employees of the Company that converted into FOX RSUs that will generally vest in August 2021.}

[3] In fiscal 2018, 21CF’s Compensation Committee granted approximately 3.1 million 21CF PSUs to certain employees of the Company that converted into FOX RSUs that will vest in August 2020. In addition, 21CF’s Compensation Committee made a special grant of approximately 2.6 million 21CF restricted stock units (“Retention RSUs”) to certain of the Company’s senior executives, including 21CF named executive officers. Approximately 50% of the Retention RSUs were paid out in shares of 21CF class A common stock and the remaining 50% were converted into FOX RSUs and Disney RSUs on the same pro rata basis accorded to shareholders of 21CF common stock in the mergers contemplated by the 21CF Disney Merger Agreement and vested in fiscal 2020.

[4] The 21CF PSUs scheduled to vest in 2019 were accelerated and paid out and 50% of the Retention RSUs were paid out in shares of 21CF class A common stock in connection with the Distribution.

[5] ^{The weighted average grant date fair value prior to the Distribution represents the fair value of awards granted with respect to 21CF class A common stock prior to the conversion of the awards to FOX equity awards. The weighted average grant date fair value of the unvested units after the conversion in fiscal 2019 represents the fair value of awards using the applicable conversion ratio}