XML 51 R35.htm IDEA: XBRL DOCUMENT v3.10.0.1
Financial Instruments - Additional Information (Details)
$ in Millions
12 Months Ended
Sep. 29, 2018
USD ($)
Customer
Vendor
Sep. 30, 2017
USD ($)
Customer
Vendor
Financial Instruments [Line Items]    
Hedged interest rate transactions, expected recognition period 9 years  
Potential reduction to derivative assets resulting from rights of set-off under master netting arrangements $ 2,100 $ 1,400
Potential reduction to derivative liabilities resulting from rights of set-off under master netting arrangements 2,100 1,400
Net derivative assets/(liabilities) after potential reductions under master netting arrangements $ 138 $ 32
Trade receivables | Credit concentration risk    
Financial Instruments [Line Items]    
Number of customers that individually represented 10% or more of total trade receivables | Customer 1 2
Trade receivables | Credit concentration risk | Customer one    
Financial Instruments [Line Items]    
Concentration risk, percentage 10.00% 10.00%
Trade receivables | Credit concentration risk | Customer two    
Financial Instruments [Line Items]    
Concentration risk, percentage   10.00%
Trade receivables | Credit concentration risk | Cellular network carriers    
Financial Instruments [Line Items]    
Concentration risk, percentage 59.00% 59.00%
Non-trade receivables | Credit concentration risk    
Financial Instruments [Line Items]    
Number of vendors that individually represented 10% or more of total vendor non-trade receivables | Vendor 2 3
Non-trade receivables | Credit concentration risk | Vendor one    
Financial Instruments [Line Items]    
Concentration risk, percentage 62.00% 42.00%
Non-trade receivables | Credit concentration risk | Vendor two    
Financial Instruments [Line Items]    
Concentration risk, percentage 12.00% 19.00%
Non-trade receivables | Credit concentration risk | Vendor three    
Financial Instruments [Line Items]    
Concentration risk, percentage   10.00%
Other current assets    
Financial Instruments [Line Items]    
Net cash collateral posted, derivative instruments $ 1,000  
Other current liabilities    
Financial Instruments [Line Items]    
Net cash collateral received, derivative instruments   $ 35
Derivatives not designated as accounting hedges | Net sales    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains/(losses) 20 20
Derivatives not designated as accounting hedges | Cost of sales    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains/(losses) 85 (40)
Derivatives not designated as accounting hedges | Other income/(expense), net    
Financial Instruments [Line Items]    
Non-designated derivatives, fair value adjustment gains/(losses) $ (198) $ 606
Hedges of foreign currency exposure associated with revenue and inventory purchases    
Financial Instruments [Line Items]    
Hedged foreign currency transactions, expected recognition period 12 months  
Hedges of foreign currency exposure associated with term debt    
Financial Instruments [Line Items]    
Hedged foreign currency transactions, expected recognition period 24 years  
Minimum    
Financial Instruments [Line Items]    
General maturities of long-term marketable securities 1 year  
Maximum    
Financial Instruments [Line Items]    
General maturities of long-term marketable securities 5 years