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Financial Instruments - Additional Information (Detail)
$ in Millions
3 Months Ended 12 Months Ended
Dec. 31, 2016
USD ($)
Vendor
Customer
Sep. 24, 2016
USD ($)
Vendor
Customer
Financial Instruments [Line Items]    
Maturities of long-term marketable securities, minimum 1 year  
Maturities of long-term marketable securities, maximum 5 years  
Hedged foreign currency transactions, typical term 12 months  
Hedged interest rate transactions, expected period to be recognized 10 years  
Reduction to derivative assets by rights of set-off associated with derivative contracts $ 2,700 $ 1,500
Reduction to derivative liabilities by rights of set-off associated with derivative contracts 2,700 1,500
Net derivative assets (liabilities) $ (222) $ 160
Trade Receivables | Credit Concentration Risk    
Financial Instruments [Line Items]    
Number of customers representing 10% or more of trade receivables | Customer 1 1
Trade Receivables | Credit Concentration Risk | Customer One    
Financial Instruments [Line Items]    
Concentration risk, percentage 11.00% 10.00%
Trade Receivables | Credit Concentration Risk | Cellular Network Carriers    
Financial Instruments [Line Items]    
Concentration risk, percentage 55.00% 63.00%
Non-Trade Receivables | Credit Concentration Risk    
Financial Instruments [Line Items]    
Number of vendors representing a significant portion of non-trade receivables | Vendor 3 2
Non-Trade Receivables | Credit Concentration Risk | Vendor One    
Financial Instruments [Line Items]    
Concentration risk, percentage 49.00% 47.00%
Non-Trade Receivables | Credit Concentration Risk | Vendor Two    
Financial Instruments [Line Items]    
Concentration risk, percentage 14.00% 21.00%
Non-Trade Receivables | Credit Concentration Risk | Vendor Three    
Financial Instruments [Line Items]    
Concentration risk, percentage 13.00%  
Accrued expenses    
Financial Instruments [Line Items]    
Net cash collateral received, derivative instruments $ 1,100 $ 163
Not Designated as Hedging Instrument | Net sales    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains or losses 273  
Not Designated as Hedging Instrument | Cost of sales    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains or losses 332  
Not Designated as Hedging Instrument | Other income/(expense), net    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains or losses $ 508