Annual report pursuant to Section 13 and 15(d)

The Company and Its Significant Accounting Policies Equity and Cost Method Investments (Details)

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The Company and Its Significant Accounting Policies Equity and Cost Method Investments (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 24, 2017
Sep. 25, 2016
Schedule of Equity and Cost Method Investments [Line Items]    
Equity method investments $ 379 $ 324
Cost method investments 603 531
Carrying value of non-marketable equity investments 982 855
Equity Method Investees [Member]    
Schedule of Equity and Cost Method Investments [Line Items]    
Revenues from transactions with two equity method investees 165 196
Aggregate accounts receivable from two equity method investees $ 29 $ 73