Segment Information - Schedule of Reconciliation of Depreciation and Amortization from Segments to Consolidated and Reconciliation of Capital Expenditures from Segments to Consolidated (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 389	$ 411	$ 363
Capital expenditures	345	357	307
Corporate and Other
Segment Reporting Information [Line Items]
Depreciation and amortization	195	214	191
Capital expenditures	108	195	136
Cable Network Programming | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	77	71	60
Capital expenditures	161	66	67
Television | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	117	126	112
Capital expenditures	$ 76	$ 96	$ 104