v3.25.1
Segment Information - Schedule of Reconciliation of Assets from Segments to Consolidated (Detail) - USD ($)
$ in Millions
Mar. 31, 2025
Jun. 30, 2024
Segment Reporting Information [Line Items]    
Total assets $ 23,367 $ 21,972
Investments 1,362 1,129
Corporate and Other    
Segment Reporting Information [Line Items]    
Total assets 10,207 10,090
Cable Network Programming | Operating Segments    
Segment Reporting Information [Line Items]    
Total assets 3,078 2,792
Television | Operating Segments    
Segment Reporting Information [Line Items]    
Total assets $ 8,720 $ 7,961