Debt (Narrative) (Details) (USD $)	12 Months Ended		12 Months Ended
	Jan. 28, 2012	Jan. 28, 2012 Interest Rate Hedges [Member]	Jan. 28, 2012 4.00% Notes Maturing On November 1, 2021 [Member]	Oct. 31, 2011 4.00% Notes Maturing On November 1, 2021 [Member]	Jan. 28, 2012 Senior Notes Due 2021 [Member]	Jan. 28, 2012 Senior Unsecured Revolving Credit Facility [Member]	Jun. 30, 2011 Senior Unsecured Revolving Credit Facility [Member]	Jan. 28, 2012 Demand Notes [Member]	Jan. 28, 2012 Trade Letters Of Credit And Stand-By Letters Of Credit [Member]	Jan. 28, 2012 Minimum Commitment By 13 Other Lenders [Member]	Jan. 28, 2012 Maximum Commitment By 13 Other Lenders [Member]	Jan. 28, 2012 Bank Of America [Member]	Jan. 28, 2012 U.S. Bank [Member]	Jan. 28, 2012 Wells Fargo Bank [Member]
Debt Instrument [Line Items]
Debt issued		$ 400,000,000		$ 650,000,000
Debt instrument, interest rate				4.00%
Debt instrument, interest rate terms			semi-annual interest payments beginning May 2012
Effective interest rate					4.81%
Maturity of notes			Nov. 01, 2021
Interest rate hedges, fair value	48,000,000
Unrealized loss on the hedges recognized as interest expense	5,000,000
Life of debt	ten-year
Revolving credit facility term	5-year
Borrowings under credit facility						900,000,000	1,000,000,000	30,000,000		30,000,000	85,000,000	110,000,000	110,000,000	110,000,000
Line of credit facility outstanding amount									$ 77,000,000