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Cash and Investments | 12 Months Ended
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Sep. 03, 2015
Investments [Abstract] |
Cash and Investments [Text Block] | Cash and Investments Cash and the fair values of our available-for-sale investments, which approximated amortized costs, were as follows:
As of |  | September 3, 2015 |  | August 28, 2014
|  | Cash and Equivalents |  | Short-term Investments |  | Long-term Marketable Investments(3) |  | Total Fair Value |  | Cash and Equivalents |  | Short-term Investments |  | Long-term Marketable Investments(3) |  | Total Fair Value
Cash |  | $ | 1,684 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,684 |  |  | $ | 2,445 |  |  | $ | — |  |  | $ | — |  |  | $ | 2,445 |
Level 1(1) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Money market funds |  | 168 |  |  | — |  |  | — |  |  | 168 |  |  | 1,281 |  |  | — |  |  | — |  |  | 1,281 |
Marketable equity securities |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | 1 |
|  | 168 |  |  | — |  |  | — |  |  | 168 |  |  | 1,281 |  |  | — |  |  | 1 |  |  | 1,282 |
Level 2(2) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Corporate bonds |  | 2 |  |  | 616 |  |  | 1,261 |  |  | 1,879 |  |  | — |  |  | 154 |  |  | 407 |  |  | 561 |
Government securities |  | 58 |  |  | 391 |  |  | 254 |  |  | 703 |  |  | — |  |  | 136 |  |  | 284 |  |  | 420 |
Asset-backed securities |  | — |  |  | 8 |  |  | 575 |  |  | 583 |  |  | — |  |  | 1 |  |  | 127 |  |  | 128 |
Certificates of deposit |  | 311 |  |  | 28 |  |  | 23 |  |  | 362 |  |  | 402 |  |  | 8 |  |  | — |  |  | 410 |
Commercial paper |  | 64 |  |  | 191 |  |  | — |  |  | 255 |  |  | 22 |  |  | 85 |  |  | — |  |  | 107 |
|  | 435 |  |  | 1,234 |  |  | 2,113 |  |  | 3,782 |  |  | 424 |  |  | 384 |  |  | 818 |  |  | 1,626 |
|  | $ | 2,287 |  |  | $ | 1,234 |  |  | $ | 2,113 |  |  | $ | 5,634 |  |  | $ | 4,150 |  |  | $ | 384 |  |  | $ | 819 |  |  | $ | 5,353 |
(1) | The fair value of Level 1 securities is measured based on quoted prices in active markets for identical assets.
(2) | 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. As of September 3, 2015, no adjustments were made to such pricing information.
(3) | The maturities of our long-term marketable securities generally range from one to four years.
Proceeds from sales of available-for-sale securities for 2015, 2014, and 2013 were $1.49 billion, $355 million, and $526 million, respectively. Gross realized gains and losses from sales of available-for-sale securities were not significant for any period presented. As of September 3, 2015, none of our available-for-sale securities had been in a loss position for longer than 12 months.

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