Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Details)

v3.21.1
Marketable Securities (Details) - USD ($)
$ in Millions
Mar. 28, 2021
Sep. 27, 2020
Marketable Securities [Line Items]    
Available-for-sale Securities, Current $ 5,190 $ 4,125
Marketable securities 5,526 4,507
Available-for-sale Securities, Noncurrent 35 35
Marketable Securities, Noncurrent 35 35
Less than one year 2,103  
One to five years 2,911  
No single maturity date 211  
Debt Securities, Available-for-sale 5,225  
US Treasury and Government-Related Securities [Member]    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 11 10
Available-for-sale Securities, Noncurrent 0 0
Corporate bonds and notes [Member]    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 5,003 4,049
Available-for-sale Securities, Noncurrent 0 0
Mortgage- and asset-backed and auction rate securities [Member]    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 176 66
Available-for-sale Securities, Noncurrent 35 35
Equity securities [Member]    
Marketable Securities [Line Items]    
Marketable securities 336 352
Marketable Securities, Noncurrent 0 0
Bank Time Deposits [Member]    
Marketable Securities [Line Items]    
Marketable securities 0 30
Marketable Securities, Noncurrent $ 0 $ 0