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Investments - Additional Information (Detail) - USD ($)
$ in Billions
Sep. 27, 2025
Sep. 28, 2024
Schedule of Equity Method Investments [Line Items]    
Excess book value of equity method investments representing intangible assets and goodwill $ 1.6 $ 0.5
Equity Securities without Readily Determinable Fair Value, Amount $ 1.7 $ 1.7
India Joint Venture    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Ownership Interest 37.00%  
A&E    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Ownership Interest 50.00%  
CTV Specialty Television, Inc.    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Ownership Interest 30.00%  
Epic Games    
Schedule of Equity Method Investments [Line Items]    
Equity Method Investment, Ownership Interest 8.00%  
Equity Securities without Readily Determinable Fair Value, Amount $ 1.6