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Income Taxes Income Taxes (Details) - USD ($) $ in Millions | 3 Months Ended | 8 Months Ended
--- | --- | ---
May 07, 2017 | May 08, 2016 | May 07, 2017 | May 08, 2016
Income Taxes [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Percent | 26.80% | 34.20% | 32.00% | 34.70%
Discrete Income Tax Benefit | $ 82 |  | $ 88 |
Special Dividend [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Effective Income Tax Rate Reconciliation, Deduction, Dividends, Amount | $ 82 |  |  |
Four Zero One K Plan [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Shares, Outstanding | 30,000,000 |  | 30,000,000 |

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