Stock Based Compensation (Additional Information Relating To Stock Options) (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Jan. 28, 2017 |
Jan. 30, 2016 |
Jan. 31, 2015 |
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| Share-based Compensation [Abstract] | |||
| Intrinsic value of options exercised | $ 12 | $ 127 | $ 189 |
| Cash received from stock options exercised | $ 35 | $ 125 | $ 200 |
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- Definition The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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