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Financing - Schedule of Debt (Parenthetical) (Detail)
5 Months Ended 12 Months Ended
Apr. 21, 2016
Feb. 11, 2017
Aug. 27, 2016
Commercial paper, weighted average interest rate of 1.04% and 0.72% at February 11, 2017 and August 27, 2016, respectively [Member]      
Debt Instrument [Line Items]      
Weighted average interest rate of commercial paper   1.04% 0.72%
1.300% Senior Notes due January 2017, effective interest rate of 1.43% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   1.30% 1.30%
Effective interest rate   1.43% 1.43%
Debt instrument maturity, month and year   2017-01 2017-01
7.125% Senior Notes due August 2018, effective interest rate of 7.28% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   7.125% 7.125%
Effective interest rate   7.28% 7.28%
Debt instrument maturity, month and year   2018-08 2018-08
1.625% Senior Notes due April 2019, effective interest rate of 1.77% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage 1.625% 1.625% 1.625%
Effective interest rate   1.77% 1.77%
Debt instrument maturity, month and year 2019-04 2019-04 2019-04
4.000% Senior Notes due November 2020, effective interest rate of 4.43% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   4.00% 4.00%
Effective interest rate   4.43% 4.43%
Debt instrument maturity, month and year   2020-11 2020-11
2.500% Senior Notes due April 2021, effective interest rate of 2.62% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   2.50% 2.50%
Effective interest rate   2.62% 2.62%
Debt instrument maturity, month and year   2021-04 2021-04
3.700% Senior Notes due April 2022, effective interest rate of 3.85% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   3.70% 3.70%
Effective interest rate   3.85% 3.85%
Debt instrument maturity, month and year   2022-04 2022-04
2.875% Senior Notes due January 2023, effective interest rate of 3.21% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   2.875% 2.875%
Effective interest rate   3.21% 3.21%
Debt instrument maturity, month and year   2023-01 2023-01
3.125% Senior Notes due July 2023, effective interest rate of 3.26% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   3.125% 3.125%
Effective interest rate   3.26% 3.26%
Debt instrument maturity, month and year   2023-07 2023-07
3.250% Senior Notes due April 2025, effective interest rate 3.36% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage   3.25% 3.25%
Effective interest rate   3.36% 3.36%
Debt instrument maturity, month and year   2025-04 2025-04
3.125% Senior Notes due April 2026, effective interest rate of 3.28% [Member]      
Debt Instrument [Line Items]      
Stated interest rate percentage 3.125% 3.125% 3.125%
Effective interest rate   3.28% 3.28%
Debt instrument maturity, month and year 2026-04 2026-04 2026-04