Debt (Carrying Value and Estimated Fair Value of Company's Long-term Debt) (Details) - USD ($)
$ in Millions |
8 Months Ended |
|
May 13, 2018 |
Sep. 03, 2017 |
| Debt Instrument [Line Items] |
|
|
| Total long-term debt, carrying value |
$ 6,611
|
$ 6,659
|
| Less current portion, carrying value |
119
|
86
|
| Long-term debt, excluding current portion |
6,492
|
6,573
|
| Total long-term debt, fair value |
$ 6,493
|
6,753
|
| 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
|
|
| Total long-term debt, carrying value |
$ 1,198
|
1,198
|
| 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
|
|
| Total long-term debt, carrying value |
$ 499
|
498
|
| 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
|
|
| Total long-term debt, carrying value |
$ 995
|
994
|
| 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
|
|
| Total long-term debt, carrying value |
$ 498
|
497
|
| 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
|
|
| Total long-term debt, carrying value |
$ 794
|
793
|
| 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
|
|
| Total long-term debt, carrying value |
$ 992
|
991
|
| 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
|
|
| Total long-term debt, carrying value |
$ 986
|
986
|
| Other Long-term Debt |
|
|
| Debt Instrument [Line Items] |
|
|
| Total long-term debt, carrying value |
$ 649
|
$ 702
|