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Marketable Securities (Tables)
9 Months Ended
Jun. 27, 2021
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities
Our marketable securities were comprised as follows (in millions):
CurrentNoncurrent (1)
June 27,
2021
September 27,
2020
June 27,
2021
September 27,
2020
Available-for-sale debt securities:    
Corporate bonds and notes$5,035 $4,049 $— $— 
Mortgage- and asset-backed and auction rate securities160 66 — 35 
U.S. Treasury securities and government-related securities10 10 — — 
Total available-for-sale debt securities5,205 4,125 — 35 
Equity securities
303 352 — — 
 Time deposit (2)— 30 — — 
Total marketable securities$5,508 $4,507 $— $35 
(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.
Investments Classified by Contractual Maturity Date
The contractual maturities of available-for-sale debt securities were as follows (in millions):
June 27,
2021
Years to Maturity
Less than one year$1,938 
One to five years3,107 
No single maturity date160 
Total$5,205