Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Items Accounts Receivable (Details)

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Composition of Certain Financial Statement Items Accounts Receivable (Details) - USD ($)
$ in Millions
Dec. 30, 2018
Oct. 01, 2018
Sep. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable $ 2,330   $ 2,667
Unbilled receivables 1,072   201
Other 24   36
Accounts receivables, net 3,426 $ 3,861 2,904
Allowance for doubtful accounts 47   56
Apple [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable $ 960   $ 960