Annual report pursuant to Section 13 and 15(d)

Schedule II - Valuation and Qualifying Accounts (Details)

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Schedule II - Valuation and Qualifying Accounts (Details) - USD ($)
$ in Millions
 12 Months Ended
Sep. 24, 2017
Sep. 25, 2016
Sep. 27, 2015
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Beginning Balance $ 755 $ 641 $ 423
Valuation Allowances and Reserves, Charged (Credited) to Costs and Expenses 119 113 131
Valuation Allowances and Reserves, Deductions 0 0 (3)
Valuation Allowances and Reserves, Other 0 1 90
Valuation Allowances and Reserves, Ending Balance 874 755 641
Allowance for Trade Receivables [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Beginning Balance 1 6 5
Valuation Allowances and Reserves, Charged (Credited) to Costs and Expenses 10 (5) 1
Valuation Allowances and Reserves, Deductions 0 0 0
Valuation Allowances and Reserves, Other 0 0 0
Valuation Allowances and Reserves, Ending Balance 11 1 6
Allowance for Notes Receivable [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Beginning Balance   0 4
Valuation Allowances and Reserves, Charged (Credited) to Costs and Expenses     0
Valuation Allowances and Reserves, Deductions     (3)
Valuation Allowances and Reserves, Other [1]     (1)
Valuation Allowances and Reserves, Ending Balance     0
Valuation Allowance of Deferred Tax Assets [Member]      
Movement in Valuation Allowances and Reserves [Roll Forward]      
Valuation Allowances and Reserves, Beginning Balance 754 635 414
Valuation Allowances and Reserves, Charged (Credited) to Costs and Expenses 109 118 130
Valuation Allowances and Reserves, Deductions 0 0 0
Valuation Allowances and Reserves, Other [2] 0 1 91
Valuation Allowances and Reserves, Ending Balance $ 863 $ 754 $ 635
[1] This amount relates to notes receivable on strategic investments that were converted to cost method equity investments.
[2] This amount was recorded to goodwill in connection with a business acquisition.