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, 2022	Jun. 30, 2021	Jun. 30, 2020
Segment Reporting Information [Line Items]
Depreciation and amortization	$ 363	$ 300	$ 258
Capital expenditures	307	484	359
Operating Segments | Cable Network Programming
Segment Reporting Information [Line Items]
Depreciation and amortization	60	55	59
Capital expenditures	67	53	43
Operating Segments | Television
Segment Reporting Information [Line Items]
Depreciation and amortization	112	104	73
Capital expenditures	104	100	72
Operating Segments | Other, Corporate and Eliminations
Segment Reporting Information [Line Items]
Depreciation and amortization	191	141	126
Capital expenditures	$ 136	$ 331	$ 244