v3.25.2
Summary of Significant Accounting Policies - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2023
Summary Of Significant Accounting Policies [Line Items]      
Non-cash impairment charge for intangible assets $ 68 $ 0 $ 0
Advertising expense 694 $ 646 $ 680
FCC licenses      
Summary Of Significant Accounting Policies [Line Items]      
Non-cash impairment charge for intangible assets $ 70    
Fair carrying value less than (percent) 10.00%    
FCC licenses | Measurement Input, Discount Rate      
Summary Of Significant Accounting Policies [Line Items]      
Measurement input increase (decrease) (percent) 0.50%    
Aggregate fair value less than carrying value $ 80    
FCC licenses | Measurement Input, Long-Term Revenue Growth Rate      
Summary Of Significant Accounting Policies [Line Items]      
Measurement input increase (decrease) (percent) (0.50%)    
Aggregate fair value less than carrying value $ 50    
Class A Common Stock      
Summary Of Significant Accounting Policies [Line Items]      
Common stock, par value (in dollars per share) $ 0.01 $ 0.01  
Class B Common Stock      
Summary Of Significant Accounting Policies [Line Items]      
Common stock, par value (in dollars per share) $ 0.01 $ 0.01  
Minimum | Buildings and Leaseholds      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 3 years    
Minimum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 3 years    
Maximum      
Summary Of Significant Accounting Policies [Line Items]      
Finite-lived intangible asset, useful life 10 years    
Maximum | Buildings and Leaseholds      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 40 years    
Maximum | Machinery and Equipment      
Summary Of Significant Accounting Policies [Line Items]      
Property, plant and equipment, useful life 10 years