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Cash and Investments
3 Months Ended
Nov. 28, 2019
Investments [Abstract]  
Cash and Investments
Cash and Investments
Substantially all of our marketable debt and equity investments were classified as available-for-sale as of the dates noted below. Cash and equivalents and the fair values of our available-for-sale investments, which approximated amortized costs, were as follows:
November 28, 2019August 29, 2019
As ofCash and Equivalents  Short-term Investments  
Long-term Marketable Investments (1)
Total Fair Value  Cash and Equivalents  Short-term Investments  
Long-term Marketable Investments (1)
Total Fair Value  
Cash$2,319  $—  $—  $2,319  $2,388  $—  $—  $2,388  
Level 1 (2)
Money market funds
2,565  —  —  2,565  3,418  —  —  3,418  
Level 2 (3)
Certificates of deposits
2,063  223   2,291  1,292  13   1,306  
Corporate bonds
—  271  299  570  —  550  689  1,239  
Government securities
—  80  159  239  36  149  232  417  
Asset-backed securities
—  30  136  166  —  67  242  309  
Commercial paper
22  15  —  37  18  24  —  42  
6,969  $619  $599  $8,187  7,152  $803  $1,164  $9,119  
Restricted cash (4)
126  127  
Cash, cash equivalents, and restricted cash
$7,095  $7,279  
(1)The maturities of long-term marketable investments range from one year to four years.
(2)The fair value of Level 1 securities is measured based on quoted prices in active markets for identical assets.
(3)The fair value of Level 2 securities is measured using information obtained from pricing services, which obtain quoted market prices for similar instruments, non-binding market consensus prices that are corroborated by observable market data, or various other methodologies, to determine the appropriate value at the measurement date. We perform supplemental analyses to validate information obtained from these pricing services. No adjustments were made to the fair values indicated by such pricing information as of November 28, 2019 or August 29, 2019.
(4)Restricted cash is included in other noncurrent assets and primarily relates to the MMJ Creditor Payments and certain government incentives received prior to being earned. The restrictions lapse on the MMJ Creditor Payments upon approval by the trustees and/or Tokyo District Court and for the government incentives upon achieving certain performance conditions.

Gross realized gains and losses from sales of available-for-sale securities were not significant for any period presented. As of November 28, 2019, there were no available-for-sale securities that had been in a loss position for longer than 12 months.