|
Income Taxes (Narrative) (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 9 Months Ended | |||
|---|---|---|---|---|---|
|
Oct. 27, 2012
|
Oct. 29, 2011
|
Oct. 27, 2012
|
Oct. 29, 2011
|
Jan. 28, 2012
|
|
| Income Taxes [Abstract] | |||||
| Effective Income Tax Rate, Continuing Operations | (41.70%) | (36.70%) | (41.00%) | (34.30%) | |
| Amount of unrecognized tax benefits that would impact effective tax rate if recognized | $ 58 | $ 58 | |||
| Benefit of federal tax deduction of state taxes | 20 | ||||
| Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Decrease to Unrecorded Benefit | 2 | 2 | |||
| Accrued Interest and Penalties for Unrecognized Tax Benefits | 4 | 4 | 4 | ||
| Unrecognized tax benefits | 86 | 86 | 110 | ||
| Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities | $ 24 | ||||