Benefit Plans (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jan. 28, 2012	Jan. 29, 2011	Jan. 30, 2010
Benefit Plans [Abstract]
ESOP expenses	$ 21	$ 20	$ 17
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	$ 36	$ 34	$ 37
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

No definition available.

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- Definition

Defined benefit plan contributions by plan participants percentage

+ References

No definition available.

+ Details

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- Definition

Increase in percentage of participants contribution fully matched per participants

+ References

No definition available.

+ Details

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- Definition

Non-qualified deferred compensation plan percentage of before tax compensation deferrals

+ References

No definition available.

+ Details

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- Definition

Percentage of participant's contribution fully matched, per participants

+ References

No definition available.

+ Details

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- Details

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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

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 70

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6414718&loc=d3e28014-114942

+ Details

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Balance Type:	debit
Period Type:	duration

- 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

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 40

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6418621&loc=d3e17540-113929

+ Details

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Balance Type:	debit
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