Annual report pursuant to Section 13 and 15(d)

Taxes (Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details)

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Taxes (Reconciliation Of Beginning And Ending Amount Of Unrecognized Tax Benefits) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jan. 28, 2012
Jan. 29, 2011
Balance, beginning of period $ 205 $ 207
Additions based on tax positions related to the current year 23 19
Additions for tax positions of prior years 0 0
Reductions for tax positions of prior years (21) (8)
Settlements (15) (4)
Statute expirations (13) (9)
Balance, end of period 179 205
Other liabilities 18 11
Long-term deferred income taxes 27 24
Current income taxes 27 24
Unrecognized tax benefits 179 205
Other Liabilities [Member]
   
Long-term deferred income taxes 134 170
Current income taxes $ 134 $ 170