Quarterly report pursuant to Section 13 or 15(d)

Composition of Certain Financial Statement Items Revenue recognition (Details)

v3.20.2
Composition of Certain Financial Statement Items Revenue recognition (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jun. 28, 2020
Jun. 30, 2019
Jun. 28, 2020
Jun. 30, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Contract with Customer, Performance Obligation Satisfied in Previous Period $ 141 $ 4,800 $ 258 $ 4,100
Licensing 1,099 6,104 3,809 8,422
Contract with Customer, Liability, Revenue Recognized     424 $ 371
Revenue, Remaining Performance Obligation, Amount 1,400   1,400  
Apple [Member]        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Licensing   $ 4,700    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-06-29        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 180   $ 180  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 3 months   3 months  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-28        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 511   $ 511  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year   1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-09-27        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 462   $ 462  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year   1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-09-26        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 209   $ 209  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year   1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-09-25        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 51   $ 51  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year   1 year  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-30        
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]        
Revenue, Remaining Performance Obligation, Amount $ 26   $ 26  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 1 year   1 year