Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Notes)

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Marketable Securities (Notes)
 3 Months Ended
Dec. 27, 2020
Investments, Debt and Equity Securities [Abstract]  
Marketable Securities Marketable Securities
We classify marketable securities as current or noncurrent based on the nature of the securities and their availability for use in current operations. Our marketable securities were comprised as follows (in millions):
Current Noncurrent (1)
December 27,
2020		 September 27,
2020		 December 27,
2020		 September 27,
2020
Available-for-sale debt securities:        
U.S. Treasury securities and government-related securities $ 27  $ 10  $ —  $ — 
Corporate bonds and notes 4,675  4,049  —  — 
Mortgage- and asset-backed and auction rate securities 95  66  35  35 
Total available-for-sale debt securities 4,797  4,125  35  35 
Equity securities
 425  352  —  — 
 Time deposit (2) —  30  —  — 
Total marketable securities $ 5,222  $ 4,507  $ 35  $ 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.
The contractual maturities of available-for-sale debt securities were as follows (in millions):
December 27,
2020
Years to Maturity
Less than one year $ 2,810 
One to five years 1,892 
No single maturity date 130 
Total $ 4,832 
Debt securities with no single maturity date included mortgage- and asset-backed securities and auction rate securities.