Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 29, 2011	Jan. 30, 2010	Jan. 31, 2009
Benefit Plans
ESOP expenses	$ 20	$ 17	$ 8
Percentage of maximum investment by the participants	100.00%
Percentage of participant's contribution 100% matched, per participants	3.00%
Increase in percentage of participant's contribution 100% matched, per participants	5.00%
Defined contribution plan expense, net of forfeitures	$ 34	$ 37	$ 30
Non-qualified deferred compensation plan, pre-tax compensation deferrals, maximum	100.00%
Deferrals and credited investment returns vesting percentage	100.00%

Deferrals and Credited Investment Returns Vesting Percentage

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- Definition

Defined Benefit Plan Contributions By Plan Participants Percentage

+ Details

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- Definition

Employee Benefit Plans [Abstract]

+ Details

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- Definition

Increase in Percentage of Participants Contribution Fully Matched Per Participants

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- Definition

Non-qualified Deferred Compensation Plan Percentage of Before Tax Compensation Deferrals

+ Details

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- Definition

Percentage of Participant's Contribution Fully Matched, Per Participants

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- Definition

The amount of the cost recognized during the period for defined contribution plans.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 132R
-Paragraph 11

+ Details

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- Definition

The amount of plan compensation cost recognized during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher AICPA
-Name Statement of Position (SOP)
-Number 93-6
-Paragraph 53
-Subparagraph c

+ Details

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