Segment Information - 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, 2023	Jun. 30, 2022	Jun. 30, 2021
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 411	$ 363	$ 300
Capital expenditures	357	307	484
Cable Network Programming
Segment Reporting Information [Line Items]
Depreciation and amortization	71	60	55
Capital expenditures	66	67	53
Television
Segment Reporting Information [Line Items]
Depreciation and amortization	126	112	104
Capital expenditures	96	104	100
Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Depreciation and amortization	214	191	141
Capital expenditures	$ 195	$ 136	$ 331