Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies Revenue Recognition (Details)

v3.19.3
Significant Accounting Policies Revenue Recognition (Details) - USD ($)
$ in Millions
 3 Months Ended 12 Months Ended
Jun. 30, 2019
Sep. 29, 2019
Sep. 30, 2018
Sep. 24, 2017
Revenue from External Customer [Line Items]        
Licensing   $ 9,662 $ 5,211 $ 5,611
Contract with Customer, Performance Obligation Satisfied in Previous Period   4,100    
Contract with Customer, Liability, Revenue Recognized   481    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-09-30        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   544    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-09-28        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   453    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-09-27        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   440    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-09-26        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   196    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2023-09-23        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   50    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2024-09-30        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   27    
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)        
Revenue from External Customer [Line Items]        
Revenue, Remaining Performance Obligation, Amount   $ 1,700    
Revenue Benchmark [Member]        
Revenue from External Customer [Line Items]        
Percentage of total (less than)   5.00% 5.00% 5.00%
Apple [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)        
Revenue from External Customer [Line Items]        
Licensing $ 4,700      
QTL [Member] | Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: (nil)        
Revenue from External Customer [Line Items]        
Loss Contingency, Loss in Period   $ 0