Marketable Securities (Notes)
|6 Months Ended|
Mar. 31, 2019
|Marketable Securities [Abstract]|
Our marketable securities were comprised as follows (in millions):
(1) Noncurrent marketable securities were included in other assets.
The contractual maturities of available-for-sale debt securities were as follows (in millions):
Debt securities with no single maturity date included auction rate securities.
During the three and six months ended March 31, 2019, there were no realized gains or losses on sales of available-for-sale debt securities, and during the three and six months ended March 25, 2018, gross realized gains were $11 million. As of March 31, 2019 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.
The entire disclosure for investments in certain debt and equity securities.
Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef