Annual report pursuant to Section 13 and 15(d)

Restructuring Plans (Details)

v3.10.0.1
Restructuring Plans (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 29, 2019
Sep. 30, 2018
Sep. 24, 2017
Sep. 25, 2016
Restructuring Cost and Reserve [Line Items]        
Cost Plan, announcement date   Jan. 16, 2018    
Reduction of annual costs   $ 1,000    
Restructuring and restructuring related charges     $ 37 $ 202
Restructuring-related costs   334    
Gain on disposition of business       $ 48
Restructuring Reserve [Roll Forward]        
Beginning balance of restructuring accrual $ 83 0    
Restructuring charges   360    
Cash payments   270    
Adjustment   (7)    
Ending balance of restructuring accrual   83 0  
Other Restructuring [Member]        
Restructuring Cost and Reserve [Line Items]        
Fair value adjustments of certain contingent consideration   (41)    
Employee Severance [Member]        
Restructuring Reserve [Roll Forward]        
Beginning balance of restructuring accrual $ 61 0    
Restructuring charges   317    
Cash payments   251    
Adjustment   (5)    
Ending balance of restructuring accrual   61 0  
Other Expense [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and restructuring related charges   629    
Restructuring Reserve [Roll Forward]        
Restructuring charges   353    
Investment and Other Income, Net [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and restructuring related charges   58    
Scenario, Forecast [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring plans, completion date Sep. 29, 2019      
Scenario, Forecast [Member] | Maximum [Member]        
Restructuring Cost and Reserve [Line Items]        
Restructuring and restructuring related charges $ 100      
Other Restructuring [Member]        
Restructuring Reserve [Roll Forward]        
Beginning balance of restructuring accrual $ 22 0    
Restructuring charges   43    
Cash payments   19    
Adjustment   (2)    
Ending balance of restructuring accrual   $ 22 $ 0