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New Accounting Pronouncements Share-based Compensation (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Feb. 03, 2018 | Jan. 28, 2017 | Jan. 30, 2016
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Provision for Income Taxes | $ 329 | $ 538 | $ 681
Net Cash Provided by (Used in) Operating Activities | 1,406 | 1,990 | 2,027
Adjustments for New Accounting Pronouncement [Member] | Accounting Standards Update 2016-09 [Member] |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |
Provision for Income Taxes | $ 13 |  |
Net Cash Provided by (Used in) Operating Activities |  | $ 100 | $ 158

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