Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income attributable to Fox Corporation stockholders	$ 1,239	$ 1,205	$ 2,150
Weighted average shares - basic	529	566	591
Shares issuable under equity-based compensation plans	2	4	4
Weighted average shares - diluted	531	570	595
Net income attributable to Fox Corporation stockholders per share - basic (in USD per share)	$ 2.34	$ 2.13	$ 3.64
Net income attributable to Fox Corporation stockholders per share - diluted (in USD per share)	$ 2.33	$ 2.11	$ 3.61