Financing Activities (Detail Of Debt Repayments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Debt repaid	$ 5	$ 5
9.5% Amortizing Debentures due Two Thousand Twenty One [Member]
Extinguishment of debt	2	2
9.75% Amortizing Debentures Due Two Thousand Twenty One [Member]
Extinguishment of debt	1	1
Capital Lease and Other Long-Term Obligations [Member]
Extinguishment of debt	$ 2	$ 2