UNAUDITED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Total	Total Fox Corporation Stockholders' Equity	Common Stock Class A Common Stock	Common Stock Class B Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss	Noncontrolling Interests
Beginning balance (in shares) at Jun. 30, 2020			344	261
Beginning balance at Jun. 30, 2020	$ 10,111	$ 10,094	$ 3	$ 3	$ 9,831	$ 674	$ (417)	$ 17
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	1,339	1,330				1,330		9
Other comprehensive income	16	16					16
Dividends	(138)	(138)				(138)
Shares repurchased			(11)	(4)
Shares repurchased	(419)	(419)			(247)	(172)
Other (in shares)			2
Other	12	34			71	(37)		(22)
Ending balance (in shares) at Dec. 31, 2020			335	257
Ending balance at Dec. 31, 2020	10,921	10,917	$ 3	$ 3	9,655	1,657	(401)	4
Beginning balance (in shares) at Sep. 30, 2020			338	258
Beginning balance at Sep. 30, 2020	10,806	10,791	$ 3	$ 3	9,668	1,525	(408)	15
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	226	224				224		2
Other comprehensive income	7	7					7
Shares repurchased			(4)	(1)
Shares repurchased	(149)	(149)			(86)	(63)
Other (in shares)			1
Other	31	44			73	(29)		(13)
Ending balance (in shares) at Dec. 31, 2020			335	257
Ending balance at Dec. 31, 2020	10,921	10,917	$ 3	$ 3	9,655	1,657	(401)	4
Beginning balance (in shares) at Jun. 30, 2021			324	252
Beginning balance at Jun. 30, 2021	11,125	11,123	$ 3	$ 3	9,453	1,982	(318)	2
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	639	616				616		23
Other comprehensive income	14	14					14
Dividends	(138)	(138)				(138)
Shares repurchased			(10)	(4)
Shares repurchased	(497)	(497)			(222)	(275)
Other (in shares)			3
Other	147	157			34	123		(10)
Ending balance (in shares) at Dec. 31, 2021			317	248
Ending balance at Dec. 31, 2021	11,290	11,275	$ 3	$ 3	9,265	2,308	(304)	15
Beginning balance (in shares) at Sep. 30, 2021			321	250
Beginning balance at Sep. 30, 2021	11,430	11,430	$ 3	$ 3	9,327	2,409	(312)	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net (loss) income	(70)	(85)				(85)		15
Other comprehensive income	8	8					8
Shares repurchased			(5)	(2)
Shares repurchased	(247)	(247)			(108)	(139)
Other (in shares)			1
Other	169	169			46	123
Ending balance (in shares) at Dec. 31, 2021			317	248
Ending balance at Dec. 31, 2021	$ 11,290	$ 11,275	$ 3	$ 3	$ 9,265	$ 2,308	$ (304)	$ 15