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Cash and Investments (Tables) | 12 Months Ended
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Aug. 31, 2017
Investments [Abstract] |
Cash and equivalents and the fair values of available-for-sale investments | Cash and equivalents and the fair values of our available-for-sale investments, which approximated amortized costs, were as follows:
As of |  | 2017 |  | 2016
|  | 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 |  | $ | 2,237 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,237 |  |  | $ | 2,258 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,258 |
Level 1(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | 2,332 |  |  | — |  |  | — |  |  | 2,332 |  |  | 1,507 |  |  | — |  |  | — |  |  | 1,507 |
Level 2(3) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Certificates of deposit |  | 483 |  |  | 24 |  |  | 3 |  |  | 510 |  |  | 373 |  |  | 33 |  |  | — |  |  | 406 |
Corporate bonds |  | — |  |  | 193 |  |  | 315 |  |  | 508 |  |  | — |  |  | 142 |  |  | 235 |  |  | 377 |
Government securities |  | 1 |  |  | 90 |  |  | 126 |  |  | 217 |  |  | 2 |  |  | 62 |  |  | 82 |  |  | 146 |
Asset-backed securities |  | — |  |  | 2 |  |  | 173 |  |  | 175 |  |  | — |  |  | 12 |  |  | 97 |  |  | 109 |
Commercial paper |  | 56 |  |  | 10 |  |  | — |  |  | 66 |  |  | — |  |  | 9 |  |  | — |  |  | 9 |
|  | 5,109 |  |  | $ | 319 |  |  | $ | 617 |  |  | $ | 6,045 |  |  | 4,140 |  |  | $ | 258 |  |  | $ | 414 |  |  | $ | 4,812 |
Restricted cash(4) |  | 107 |  |  |  |  |  |  |  |  | 123 |  |  |  |  |  |  |
Cash, cash equivalents, and restricted cash |  | $ | 5,216 |  |  |  |  |  |  |  |  | $ | 4,263 |  |  |  |  |  |  |
(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 analysis to validate information obtained from these pricing services. No adjustments were made to such pricing information as of August 31, 2017 or September 1, 2016.
(4) | Restricted cash is included in other noncurrent assets and generally represents balances related to the MMJ Creditor Payments and interest reserve balances related to the 2021 MSTW Term Loan. The restrictions on the MMJ Creditor Payments lapse upon approval by the trustees and/or Japan Court. The restrictions on the interest reserve balances lapse in proportion to the reduction in the amount of interest expected to be paid under the 2021 MSTW Term Loan for the subsequent six months. (See "Debt" note.)

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- Definition Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62557-112803 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27337-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27198-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 320 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75019621&loc=d3e62586-112803 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27357-111563 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27290-111563 + Details
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