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Marketable Securities
 9 Months Ended
Jun. 26, 2022
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities Marketable Securities
Our marketable securities were all classified as current and were comprised as follows (in millions):
June 26,
2022		September 26,
2021
Available-for-sale debt securities:  
Corporate bonds and notes$3,802 $4,459 
Mortgage- and asset-backed securities108 147 
U.S. Treasury securities and government-related securities16 10 
Total available-for-sale debt securities3,926 4,616 
Equity securities
246 682 
Total marketable securities$4,172 $5,298 
The contractual maturities of available-for-sale debt securities were as follows (in millions):
June 26,
2022
Years to Maturity
Less than one year$959 
One to five years2,859 
No single maturity date108 
Total$3,926 
Debt securities with no single maturity date included mortgage- and asset-backed securities.