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Financial Instruments - Additional Information (Details)
$ in Billions
3 Months Ended 12 Months Ended
Dec. 28, 2024
USD ($)
Vendor
Customer
Sep. 28, 2024
USD ($)
Vendor
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Carrying amount of hedged term debt | $ $ 13.3 $ 13.5
Trade receivables | Credit concentration risk    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Number of customers that individually represented 10% or more of total trade receivables | Customer 2  
Trade receivables | Credit concentration risk | Customer One    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Concentration risk, percentage 18.00%  
Trade receivables | Credit concentration risk | Customer Two    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Concentration risk, percentage 11.00%  
Trade receivables | Credit concentration risk | Cellular network carriers    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Concentration risk, percentage 33.00% 38.00%
Non-trade receivables | Credit concentration risk    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Number of vendors that individually represented 10% or more of total vendor non-trade receivables | Vendor 2 2
Non-trade receivables | Credit concentration risk | Vendor one    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Concentration risk, percentage 43.00% 44.00%
Non-trade receivables | Credit concentration risk | Vendor two    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Concentration risk, percentage 24.00% 23.00%
Hedges of foreign currency exposure associated with revenue and inventory purchases    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Maximum length of time over which the Company is hedging its exposure to the variability in future cash flows for foreign currency transactions 12 months  
Hedges of foreign currency exposure associated with term debt    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Maximum length of time over which the Company is hedging its exposure to the variability in future cash flows for foreign currency transactions 18 years  
Marketable debt securities other than mortgage- and asset-backed securities    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Between 1 and 5 years 85.00%  
Between 5 and 10 years 11.00%  
Greater than 10 years 4.00%  
Mortgage- and asset-backed securities    
Debt Securities, Available-for-Sale, Maturity, Fair Value, Rolling Maturity [Abstract]    
Between 1 and 5 years 13.00%  
Between 5 and 10 years 10.00%  
Greater than 10 years 77.00%