Marketable Securities

6 Months Ended

Mar. 29, 2020

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

Note 8. 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)
	March 29, 2020		September 29, 2019		March 29, 2020		September 29, 2019
Available-for-sale debt securities:
U.S. Treasury securities and government-related securities	$	3	$	—	$	—	$	—
Corporate bonds and notes	1,253		4		—		—
Mortgage- and asset-backed and auction rate securities	48		—		33		35
Total available-for-sale debt securities	1,304		4		33		35
Equity securities	239		417		—		1
Total marketable securities	$	1,543	$	421	$	33	$	36

(1) Noncurrent marketable securities were included in other assets.

The contractual maturities of available-for-sale marketable debt securities were as follows (in millions):

	March 29, 2020
Years to Maturity
Less than one year	$	813
One to five years	443
No single maturity date	81
Total	$	1,337

Debt securities with no single maturity date included mortgage- and asset-backed securities and auction rate securities.