Financing Activities (Detail Of Debt Repayments) (Details) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013
Debt repaid	$ 459	$ 7
5.75% Senior Notes due Two Thousand Fourteen [Member]
Extinguishment of debt	453	0
Debt Instrument, Interest Rate, Stated Percentage	5.75%
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	$ 3	$ 4