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Investments - Available-for-sale and Held-to-maturity Investments (Detail) - USD ($) $ in Millions | 6 Months Ended |
--- | --- | ---
Feb. 16, 2020 | Sep. 01, 2019
Available-for-sale and Held-to-maturity [Line Items] |  |
Document Period End Date | Feb. 16, 2020 |
Available-for-sale, cost basis, total | $ 523 |
Held-to-maturity, cost basis | 400 |
Total investments, recorded basis | 929 | $ 1,060
Short-term Investments |  |
Available-for-sale and Held-to-maturity [Line Items] |  |
Available-for-sale, cost basis, total | 523 | 716
Unrealized gains/(loss), net | 6 | 6
Available-for-sale, recorded basis, total | 529 | 722
Held-to-maturity, recorded basis | 400 | 338
Held-to-maturity, cost basis | 400 | 338
Total investments, recorded basis | 929 | 1,060
Total investments, cost basis, total | 923 | 1,054
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 6 | 6
Short-term Investments | Government and Agency Securities |  |
Available-for-sale and Held-to-maturity [Line Items] |  |
Available-for-sale, cost basis, total | 523 | 716
Available-for-sale, recorded basis, total | 529 | 722
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax | 6 | 6
Short-term Investments | Certificates of deposit |  |
Available-for-sale and Held-to-maturity [Line Items] |  |
Held-to-maturity, recorded basis | 400 | 338
Held-to-maturity, cost basis | $ 400 | $ 338

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118939692&loc=d3e27161-111563 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=118942338&loc=SL82898722-210454 + Details
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