Additional Financial Information - Schedule of Components of Restructuring Impairment and Other Corporate Matters (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Restructuring charges	$ (5)	$ (3)	$ (7)	$ (11)
Other corporate matters
Legal settlement costs	(4)	(90)	(10)	(97)
U.K. Newspaper Matters Indemnity	(1)	(13)	(2)	(19)
Other	(4)	(64)	13	(69)
Total restructuring, impairment and other corporate matters	$ (14)	$ (170)	$ (6)	$ (196)