Redeemable Convertible Notes (Details) - USD ($) $ in Millions |
Sep. 03, 2015 |
Aug. 28, 2014 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Redeemable convertible notes | $ 49 | $ 68 |
| 2033E and 2033F convertible senior notes [Member] | ||
| Debt Instrument [Line Items] | ||
| Redeemable convertible notes | $ 49 | $ 68 |