Restructuring, Impairment and Other Corporate Matters - Schedule of Components of Restructuring Impairment and Other Corporate Matters (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2024
Restructuring and Related Activities [Abstract]
Restructuring charges	$ (64)	$ (35)	$ (13)
Impairment charges	(64)	(68)	0
Other corporate matters
Legal settlement costs	(12)	(126)	(24)
U.K. Newspaper Matters Indemnity	2	(30)	(20)
Other	(13)	(91)	(10)
Total restructuring, impairment and other corporate matters	$ (151)	$ (350)	$ (67)