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Taxes (Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) - USD ($) $ in Millions | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015 | Jan. 28, 2017 | Jan. 30, 2016 | Jan. 31, 2015
Balance, beginning of period | $ 178 | $ 172 | $ 189 |  |  |
Additions based on tax positions related to the current year | 16 | 30 | 33 |  |  |
Additions for tax positions of prior years | 0 | 0 | 0 |  |  |
Reductions for tax positions of prior years | (12) | (7) | (15) |  |  |
Settlements | (4) | (3) | (23) |  |  |
Statute expirations | (11) | (14) | (12) |  |  |
Balance, end of period | 167 | 178 | 172 |  |  |
Current income taxes |  |  |  | $ 6 | $ 12 | $ 11
Unrecognized tax benefits | $ 178 | $ 172 | $ 189 | 167 | 178 | 172
Long term deferred income taxes [Member] |  |  |  |  |  |
Long-term uncertian tax positions |  |  |  | 4 | 5 | 6
Other noncurrent liabilities [Member] |  |  |  |  |  |
Long-term uncertian tax positions |  |  |  | $ 157 | $ 161 | $ 155

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