New Accounting Pronouncement Financial Instruments (Details) $ in Millions |
12 Months Ended |
|---|---|
|
Feb. 03, 2018
USD ($)
| |
| Adjustments for New Accounting Pronouncement [Member] | Accounting Standards Update 2016-01 [Member] | |
| New Accounting Pronouncements or Change in Accounting Principle [Line Items] | |
| Cumulative Effect on Retained Earnings, Net of Tax | $ 2 |