Earnings Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Earnings Per Share [Abstract]
Net income attributable to Fox Corporation stockholders	$ 1,685	$ 2,263	$ 1,501
Weighted average shares - basic (in shares)	431	455	478
Shares issuable under equity-based compensation plans (in shares)	8	6	2
Weighted average shares - diluted (in shares)	439	461	480
Net income attributable to Fox Corporation stockholders per share - basic (in dollars per share)	$ 3.91	$ 4.97	$ 3.14
Net income attributable to Fox Corporation stockholders per share - diluted (in dollars per share)	$ 3.84	$ 4.91	$ 3.13