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Cash and Investments | 6 Months Ended
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Feb. 28, 2019
Investments [Abstract] |
Cash and Investments | Cash and Investments Cash and equivalents and the fair values of our available-for-sale investments, which approximated amortized costs, were as follows:
As of |  | February 28, 2019 |  | August 30, 2018
|  | Cash 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 |  | $ | 2,652 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,652 |  |  | $ | 3,223 |  |  | $ | — |  |  | $ | — |  |  | $ | 3,223 |
Level 1(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | 3,114 |  |  | — |  |  | — |  |  | 3,114 |  |  | 2,443 |  |  | — |  |  | — |  |  | 2,443 |
Level 2(3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | 21 |  |  | 692 |  |  | 923 |  |  | 1,636 |  |  | 3 |  |  | 172 |  |  | 272 |  |  | 447 |
Government securities |  | 80 |  |  | 255 |  |  | 280 |  |  | 615 |  |  | 5 |  |  | 63 |  |  | 103 |  |  | 171 |
Asset-backed securities |  | — |  |  | 105 |  |  | 401 |  |  | 506 |  |  | — |  |  | 34 |  |  | 96 |  |  | 130 |
Certificates of deposit |  | 382 |  |  | 39 |  |  | 10 |  |  | 431 |  |  | 806 |  |  | 11 |  |  | 2 |  |  | 819 |
Commercial paper |  | 104 |  |  | 89 |  |  | — |  |  | 193 |  |  | 26 |  |  | 16 |  |  | — |  |  | 42 |
|  | 6,353 |  |  | $ | 1,180 |  |  | $ | 1,614 |  |  | $ | 9,147 |  |  | 6,506 |  |  | $ | 296 |  |  | $ | 473 |  |  | $ | 7,275 |
Restricted cash(4) |  | 76 |  |  |  |  |  |  |  |  | 81 |  |  |  |  |  |  |
Cash, cash equivalents, and restricted cash |  | $ | 6,429 |  |  |  |  |  |  |  |  | $ | 6,587 |  |  |  |  |  |  |
(1) | The maturities of long-term marketable securities range from one 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 February 28, 2019 or August 30, 2018.
(4) | Restricted cash is included in other noncurrent assets and primarily consisted of balances related to the MMJ Creditor Payments. The restrictions on the MMJ Creditor Payments lapse upon approval by the trustees and/or Tokyo District Court.
Gross realized gains and losses from sales of available-for-sale securities were not material for any period presented. As of February 28, 2019, there were no available-for-sale securities that had been in a loss position for longer than 12 months.

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- Definition The entire disclosure of cash, cash equivalents, and debt and equity securities, including any unrealized or realized gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 305 -URI http://asc.fasb.org/topic&trid=2122426 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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