Quarterly report pursuant to Section 13 or 15(d)

Marketable Securities (Notes)

v3.10.0.1
Marketable Securities (Notes)
3 Months Ended
Dec. 30, 2018
Marketable Securities [Abstract]  
Marketable Securities
Marketable Securities
Our marketable securities were comprised as follows (in millions):
 
Current
 
Noncurrent (1)
 
December 30,
2018
 
September 30,
2018
 
December 30,
2018
 
September 30,
2018
Available-for-sale debt securities:
 
 
 
 
 
 
 
Corporate bonds and notes
$
108

 
$
144

 
$

 
$

Auction rate securities

 

 
35

 
35

Total available-for-sale debt securities
108

 
144

 
35

 
35

Equity securities
141

 
167

 

 

Total marketable securities
$
249

 
$
311

 
$
35

 
$
35


(1) Noncurrent marketable securities were included in other assets.
The contractual maturities of available-for-sale debt securities were as follows (in millions):
 
December 30,
2018
Years to Maturity
 
Less than one year
$
108

No single maturity date
35

Total
$
143

Debt securities with no single maturity date included auction rate securities.
During the three months ended December 30, 2018, there were no realized gains or losses on sales of available-for-sale debt securities, and during the three months ended December 24, 2017, gross realized gains were negligible.
As of December 30, 2018 and September 30, 2018, unrealized gains and losses on available for sale debt securities were negligible. As of September 30, 2018, available-for-sale securities also included equity securities with a fair value of $167 million, including an unrealized gain of $63 million.