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Basis of Presentation (Details) $ in Millions | 3 Months Ended |
--- | --- | ---
Apr. 30, 2016 USD ($) | May. 02, 2015 USD ($) | Jan. 30, 2016 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |
Number of Weeks in Fiscal Period | 13 | 13 |
Reporting period lag for consolidation of financial results | 1 month |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other Assets, Current | $ 401 | $ 465 | $ 392
Other Assets |  | 863 |
Assets | 12,901 | 13,712 | 13,519
Long-term Debt, Excluding Current Maturities | 1,334 | 1,217 | 1,339
Liabilities and Equity | $ 12,901 | 13,712 | $ 13,519
Accounting Standards Update 2015-03 and 2015-15 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other Assets, Current |  | (2) |
Other Assets |  | (5) |
Assets |  | 7 |
Long-term Debt, Excluding Current Maturities |  | (7) |
Liabilities and Equity |  | 7 |
Accounting Standards Update 2015-17 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other Assets, Current |  | (265) |
Other Assets |  | 265 |
Assets |  | 0 |
As reported [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Other Assets, Current |  | 732 |
Other Assets |  | 603 |
Assets |  | 13,719 |
Long-term Debt, Excluding Current Maturities |  | 1,224 |
Liabilities and Equity |  | $ 13,719 |

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