Annual report pursuant to Section 13 and 15(d)

Marketable Securities (Details)

v3.20.2
Marketable Securities (Details) - USD ($)
$ in Millions
12 Months Ended
Sep. 27, 2020
Sep. 29, 2019
Marketable Securities [Line Items]    
Available-for-sale Securities, Current $ 4,125 $ 4
Available-for-sale Securities, Noncurrent [1] 35 35
Marketable Securities, Current 4,507 421
Marketable Securities, Noncurrent [1] 35 36
Less than one year 2,868  
One to five years 1,192  
No single maturity date 100  
Debt Securities, Available-for-sale 4,160  
Debt Securities, Available-for-sale, Unrealized Gain 20  
US Treasury and Government    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 10 0
Available-for-sale Securities, Noncurrent [1] 0 0
Corporate Bond Securities [Member]    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 4,049 4
Available-for-sale Securities, Noncurrent [1] 0 0
Mortgage- and asset-backed and auction rate securities [Member]    
Marketable Securities [Line Items]    
Available-for-sale Securities, Current 66 0
Available-for-sale Securities, Noncurrent [1] 35 35
Equity [Member]    
Marketable Securities [Line Items]    
Marketable Securities, Current 352 417
Marketable Securities, Noncurrent [1] 0 1
Bank Time Deposits [Member]    
Marketable Securities [Line Items]    
Marketable Securities, Current [2] 30 0
Marketable Securities, Noncurrent [1],[2] $ 0 $ 0
[1] Noncurrent marketable securities were included in other assets.
[2] At September 27, 2020, marketable securities also included a time deposit with an original maturity of greater than 90 days