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Summary of Significant Accounting Policies - Basis of Presentation (Details) $ in Millions | 12 Months Ended
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Feb. 03, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | $ (2)
Reporting Lag for Certain Foreign Operations in Financial Statements | 1 month
Retained Earnings [Member] |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |
New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets | $ (12)

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- Details
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