Cash and Investments (Details) - USD ($) |
3 Months Ended | 6 Months Ended | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Mar. 03, 2016 |
Mar. 05, 2015 |
Mar. 03, 2016 |
Mar. 05, 2015 |
Sep. 03, 2015 |
Aug. 28, 2014 |
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| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | $ 3,078,000,000 | $ 3,547,000,000 | $ 3,078,000,000 | $ 3,547,000,000 | $ 2,287,000,000 | $ 4,150,000,000 | |||||||
| Short-term investments | 957,000,000 | 957,000,000 | 1,234,000,000 | ||||||||||
| Long-term marketable investments | [1] | 1,108,000,000 | 1,108,000,000 | 2,113,000,000 | |||||||||
| Total fair value | 5,143,000,000 | 5,143,000,000 | 5,634,000,000 | ||||||||||
| Available-for-sale Securities, Gross Realized Gain (Loss), Disclosures [Abstract] | |||||||||||||
| Proceeds from sales of available-for-sale securities | 585,000,000 | $ 143,000,000 | 992,000,000 | $ 376,000,000 | |||||||||
| Available-for-sale securities in an unrealized loss position for longer than twelve months | 0 | $ 0 | |||||||||||
| Minimum [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Long-term marketable investments, general maturities (in years) | 1 year | ||||||||||||
| Maximum [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Long-term marketable investments, general maturities (in years) | 4 years | ||||||||||||
| Cash [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | 2,343,000,000 | $ 2,343,000,000 | 1,684,000,000 | ||||||||||
| Short-term investments | 0 | 0 | 0 | ||||||||||
| Long-term marketable investments | 0 | 0 | 0 | ||||||||||
| Total fair value | 2,343,000,000 | 2,343,000,000 | 1,684,000,000 | ||||||||||
| Money market funds [Member] | Level 1 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [2] | 339,000,000 | 339,000,000 | 168,000,000 | |||||||||
| Short-term investments | [2] | 0 | 0 | 0 | |||||||||
| Long-term marketable investments | [1],[2] | 0 | 0 | 0 | |||||||||
| Total fair value | [2] | 339,000,000 | 339,000,000 | 168,000,000 | |||||||||
| Corporate bonds [Member] | Level 2 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [3] | 0 | 0 | 2,000,000 | |||||||||
| Short-term investments | [3] | 675,000,000 | 675,000,000 | 616,000,000 | |||||||||
| Long-term marketable investments | [1],[3] | 673,000,000 | 673,000,000 | 1,261,000,000 | |||||||||
| Total fair value | [3] | 1,348,000,000 | 1,348,000,000 | 1,879,000,000 | |||||||||
| Government securities [Member] | Level 2 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [3] | 53,000,000 | 53,000,000 | 58,000,000 | |||||||||
| Short-term investments | [3] | 213,000,000 | 213,000,000 | 391,000,000 | |||||||||
| Long-term marketable investments | [1],[3] | 97,000,000 | 97,000,000 | 254,000,000 | |||||||||
| Total fair value | [3] | 363,000,000 | 363,000,000 | 703,000,000 | |||||||||
| Certificates of deposit [Member] | Level 2 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [3] | 331,000,000 | 331,000,000 | 311,000,000 | |||||||||
| Short-term investments | [3] | 20,000,000 | 20,000,000 | 28,000,000 | |||||||||
| Long-term marketable investments | [1],[3] | 10,000,000 | 10,000,000 | 23,000,000 | |||||||||
| Total fair value | [3] | 361,000,000 | 361,000,000 | 362,000,000 | |||||||||
| Asset-backed securities [Member] | Level 2 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [3] | 0 | 0 | 0 | |||||||||
| Short-term investments | [3] | 6,000,000 | 6,000,000 | 8,000,000 | |||||||||
| Long-term marketable investments | [1],[3] | 328,000,000 | 328,000,000 | 575,000,000 | |||||||||
| Total fair value | [3] | 334,000,000 | 334,000,000 | 583,000,000 | |||||||||
| Commercial paper [Member] | Level 2 [Member] | |||||||||||||
| Schedule of Available-for-sale Securities [Line Items] | |||||||||||||
| Cash and equivalents | [3] | 12,000,000 | 12,000,000 | 64,000,000 | |||||||||
| Short-term investments | [3] | 43,000,000 | 43,000,000 | 191,000,000 | |||||||||
| Long-term marketable investments | [1],[3] | 0 | 0 | 0 | |||||||||
| Total fair value | [3] | $ 55,000,000 | $ 55,000,000 | $ 255,000,000 | |||||||||
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