Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies Derivatives (Details)

v3.10.0.1
Significant Accounting Policies Derivatives (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 30, 2018
Sep. 24, 2017
Derivative [Line Items]    
Gross notional amount of Derivatives $ 3,807 $ 5,496
Chinese renminbi [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 650 1,460
Euro [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 938 146
Indian rupee [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 336 772
Japanese yen [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 17 68
Korean won [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 0 50
United States dollars [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 1,866 3,000
Interest Rate Swaps Related to Long-term Debt [Member]    
Derivative [Line Items]    
Fair value of Derivatives 50  
Gross notional amount of Derivatives 1,800 3,000
Foreign Currency Hedges [Member]    
Derivative [Line Items]    
Derivative Asset, Fair Value Recorded in Assets   10
Derivative Liability, Fair Value Recorded in Liabilities 19 22
Forwards [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 682 163
Options [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives 1,375 2,333
Swaps [Member]    
Derivative [Line Items]    
Gross notional amount of Derivatives $ 1,750 $ 3,000
Maximum [Member] | Foreign Currency Hedges [Member]    
Derivative [Line Items]    
Derivative, Remaining Maturity 12 months  
Fixed-rate 2.25% notes due May 20, 2020 [Member]    
Derivative [Line Items]    
Long-term Notes Hedged by Interest Rate Swaps, Percentage 43.00% 43.00%
Fixed-rate 3.00% notes due May 20, 2022 [Member]    
Derivative [Line Items]    
Long-term Notes Hedged by Interest Rate Swaps, Percentage 50.00% 50.00%