|
Income Taxes (Reconciliation of Unrecognized Tax Benefits) (Details) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Jan. 28, 2012
|
Jan. 29, 2011
|
Jan. 30, 2010
|
|
| Income Taxes [Abstract] | |||
| Beginning balance | $ 162 | $ 165 | $ 192 |
| Additions for tax positions of prior years | 10 | 21 | 37 |
| Reductions for tax positions of prior years | (14) | (5) | (1) |
| Settlements and effective settlements with tax authorities | (45) | (16) | (59) |
| Expirations of statute | (3) | (3) | (4) |
| Balance at end of year | $ 110 | $ 162 | $ 165 |