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Financing - Schedule of Debt (Detail) - USD ($) $ in Thousands | Feb. 09, 2019 | Aug. 25, 2018
--- | --- | ---
Debt Instrument [Line Items] |  |
Commercial paper | $ 1,428,800 | $ 1,325,300
Total debt before discounts and debt issuance costs | 5,128,800 | 5,025,300
Less: Discounts and debt issuance costs | 17,599 | 19,370
Long-term debt | 5,111,201 | 5,005,930
1.625% Senior Notes due April 2019, effective interest rate of 1.77% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 250,000 | 250,000
4.000% Senior Notes due November 2020, effective interest rate of 4.43% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 500,000 | 500,000
2.500% Senior Notes due April 2021, effective interest rate of 2.62% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 250,000 | 250,000
3.700% Senior Notes due April 2022, effective interest rate of 3.85% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 500,000 | 500,000
2.875% Senior Notes due January 2023, effective interest rate of 3.21% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 300,000 | 300,000
3.125% Senior Notes due July 2023, effective interest rate of 3.26% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 500,000 | 500,000
3.250% Senior Notes due April 2025, effective interest rate 3.36% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 400,000 | 400,000
3.125% Senior Notes due April 2026, effective interest rate of 3.28% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | 400,000 | 400,000
3.750% Senior Notes due June 2027, effective interest rate of 3.83% [Member] |  |
Debt Instrument [Line Items] |  |
Senior notes | $ 600,000 | $ 600,000

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