Financing - Schedule of Debt (Detail) - USD ($) $ in Thousands	Aug. 29, 2015	Aug. 30, 2014
Debt Instrument [Line Items]
Commercial paper	$ 1,047,600	$ 893,800
Total debt	4,647,600	4,343,800
Total debt	4,647,600	4,343,800
Less: Short-term borrowings		180,910
Long-term debt before discounts and debt issuance costs Total debt	4,647,600	4,162,890
Less: Discounts and debt issuance costs	22,724	20,694
Long-term debt	4,624,876	4,142,196
5.750% Senior Notes due January 2015, effective interest rate of 5.89% [Member]
Debt Instrument [Line Items]
Total debt		500,000
5.500% Senior Notes due November 2015, effective interest rate of 4.86% [Member]
Debt Instrument [Line Items]
Total debt	300,000	300,000
Long-term debt	300,000
6.950% Senior Notes due June 2016, effective interest rate of 7.09% [Member]
Debt Instrument [Line Items]
Total debt	200,000	200,000
Long-term debt	200,000
1.300% Senior Notes due January 2017, effective interest rate 1.43% [Member]
Debt Instrument [Line Items]
Total debt	400,000	400,000
7.125% Senior Notes due August 2018, effective interest rate of 7.28% [Member]
Debt Instrument [Line Items]
Total debt	250,000	250,000
4.000% Senior Notes due November 2020, effective interest rate of 4.43% [Member]
Debt Instrument [Line Items]
Total debt	500,000	500,000
2.500% Senior Notes due April 2021, effective interest rate of 3.85% [Member]
Debt Instrument [Line Items]
Total debt	250,000
3.700% Senior Notes due April 2022, effective interest rate of 3.85% [Member]
Debt Instrument [Line Items]
Total debt	500,000	500,000
2.875% Senior Notes due January 2023, effective interest rate of 3.21% [Member]
Debt Instrument [Line Items]
Total debt	300,000	300,000
3.125% Senior Notes due July 2023, effective interest rate of 3.26% [Member]
Debt Instrument [Line Items]
Total debt	500,000	$ 500,000
3.250% Senior Notes due April 2025, effective interest rate 3.36% [Member]
Debt Instrument [Line Items]
Total debt	$ 400,000