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Equity - Capped Calls (Details) - USD ($) $ / shares in Units, shares in Millions | 12 Months Ended
--- | ---
Sep. 01, 2016 | Sep. 03, 2015 | Aug. 28, 2014 | Aug. 29, 2013 | Aug. 30, 2012
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Value at Expiration | $ 0 | $ 0 |  |  |
Treasury Stock, held (in shares) | 54 | 45 |  |  |
Call Option | Convertible Debt |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Treasury Stock, held (in shares) | 2 |  |  |  |
Call Option | Convertible Debt | 2031A and 2031B convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Treasury Stock, retired (in shares) |  |  | 3 |  |
Call Option | Purchased options | Convertible Debt |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Underlying Common Shares (in shares) | 148 |  |  |  |
Capped call settlement shares received | 2 |  |  |  |
Capped call settlement, dollar value of shares received | $ 23,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | Minimum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Value at Expiration | 0 |  |  |  |
Call Option | Purchased options | Convertible Debt | Maximum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Value at Expiration | $ 719,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032C and 2032D convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cash paid for capped call transactions |  |  |  |  | $ 103,000,000
Call Option | Purchased options | Convertible Debt | 2033E and 2033F convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cash paid for capped call transactions |  |  |  | $ 48,000,000 |
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Strike price (in dollars per share) | $ 9.80 |  |  |  |
Underlying Common Shares (in shares) | 50 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes | Minimum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.62 |  |  |  |
Value at Expiration | $ 0 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032C convertible senior notes | Maximum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 15.69 |  |  |  |
Value at Expiration | $ 279,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Strike price (in dollars per share) | $ 10.16 |  |  |  |
Underlying Common Shares (in shares) | 44 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes | Minimum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.62 |  |  |  |
Value at Expiration | $ 0 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2032D convertible senior notes | Maximum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 16.04 |  |  |  |
Value at Expiration | $ 244,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Strike price (in dollars per share) | $ 10.93 |  |  |  |
Underlying Common Shares (in shares) | 27 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes | Minimum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.51 |  |  |  |
Value at Expiration | $ 0 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033E convertible senior notes | Maximum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.51 |  |  |  |
Value at Expiration | $ 98,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Strike price (in dollars per share) | $ 10.93 |  |  |  |
Underlying Common Shares (in shares) | 27 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note | Minimum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.51 |  |  |  |
Value at Expiration | $ 0 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2033F convertible senior note | Maximum |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Cap Price Range | $ 14.51 |  |  |  |
Value at Expiration | $ 98,000,000 |  |  |  |
Call Option | Purchased options | Convertible Debt | 2031A and 2031B convertible senior notes |  |  |  |  |
Option Indexed to Issuer's Equity [Line Items] |  |  |  |  |
Capped call settlement shares received |  | 3 | 3 |  |
Capped call settlement, dollar value of shares received |  | $ 50,000,000 | $ 86,000,000 |  |

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