Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Items Accounts Receivable (Details)

v3.19.1
Composition of Certain Financial Statement Items Accounts Receivable (Details) - USD ($)
$ in Millions
Mar. 31, 2019
Oct. 01, 2018
Sep. 30, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable $ 2,430   $ 2,667
Unbilled receivables 1,196   201
Other 12   36
Accounts receivables, net 3,638 $ 3,861 2,904
Allowance for doubtful accounts 47   56
Apple [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accounts receivable $ 960   $ 960