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Debt (Additional Information) (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Sep. 01, 2019 | Sep. 02, 2018 | May 18, 2017 | Feb. 17, 2015 | Dec. 07, 2012
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt | $ 6,852 | $ 6,613 |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events | 101.00% |  |  |  |
1.7% Senior Notes due December 2019 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 1.70% |  |  |  |
Debt instrument, maturity date | Dec. 15, 2019 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  |  |  | 101.00%
1.75% Senior Notes due February 2020 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 1.75% |  |  |  |
Debt instrument, maturity date | Feb. 15, 2020 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  |  | 101.00% |
2.15% Senior Notes due May 2021 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.15% |  |  |  |
Debt instrument, maturity date | May 18, 2021 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  | 101.00% |  |
2.25% Senior Notes due February 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.25% |  |  |  |
Debt instrument, maturity date | Feb. 15, 2022 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  |  | 101.00% |
2.30% Senior Notes due May 2022 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.30% |  |  |  |
Debt instrument, maturity date | May 18, 2022 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  | 101.00% |  |
2.75% Senior Notes due May 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 2.75% |  |  |  |
Debt instrument, maturity date | May 18, 2024 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  | 101.00% |  |
3.00% Senior Notes due May 2027 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Debt instrument, interest rate, stated percentage | 3.00% |  |  |  |
Debt instrument, maturity date | May 18, 2027 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annually |  |  |  |
Debt Instrument, Redemption Price, Percentage | 100.00% |  |  |  |
Redemption Price Certain Events |  |  | 101.00% |  |
Senior Notes Point Two Eight Percent Due August Twenty Twenty Nine [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt | $ 200 |  |  |  |
Debt instrument, interest rate, stated percentage | 0.28% |  |  |  |
Debt instrument, maturity date | Aug. 22, 2029 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annially |  |  |  |
Senior Notes Point Four Two Percent Due August Twenty Thirty Four [Member] |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term Debt | $ 100 |  |  |  |
Debt instrument, interest rate, stated percentage | 0.42% |  |  |  |
Debt instrument, maturity date | Aug. 22, 2034 |  |  |  |
Debt instrument, frequency of periodic payment | Interest is payable semi-annially |  |  |  |

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