Marketable Securities (Tables)

3 Months Ended

Dec. 27, 2020

Investments, Debt and Equity Securities [Abstract]

Marketable Securities

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.

Investments Classified by Contractual Maturity Date

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