Segment Information - Schedule of Reconciliation of Depreciation and Amortization from Segments to Consolidated (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 100	$ 97	$ 198	$ 188
Capital expenditures	122	74	226	138
Operating Segments | Cable Network Programming
Segment Reporting Information [Line Items]
Depreciation and amortization	27	25	53	45
Capital expenditures	38	30	66	53
Operating Segments | Television
Segment Reporting Information [Line Items]
Depreciation and amortization	30	30	60	59
Capital expenditures	31	17	63	28
Corporate and Other
Segment Reporting Information [Line Items]
Depreciation and amortization	43	42	85	84
Capital expenditures	$ 53	$ 27	$ 97	$ 57