Shareholders' Equity (Deficit) (Dividends Paid) (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended												12 Months Ended			2 Months Ended	3 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Mar. 21, 2014 Dividend Declared [Member]	Feb. 01, 2014 Dividend Declared [Member]
Common Stock, Dividends, Per Share, Cash Paid	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 0.25	$ 0.25	$ 0.25	$ 0.25	$ 0.20	$ 0.20	$ 0.20	$ 0.20	$ 1.20	$ 1.00	$ 0.80
Special Dividend To Common Stockholders Per Share Paid	$ 0.00	$ 0.00	$ 0.00	$ 0.00	$ 3.00	$ 1.00	$ 0.00	$ 0.00	$ 2.00	$ 0.00	$ 1.00	$ 0.00	$ 0	$ 4.00	$ 3.00
Total Dividends Per Share Cash Paid	$ 0.30	$ 0.30	$ 0.30	$ 0.30	$ 3.25	$ 1.25	$ 0.25	$ 0.25	$ 2.20	$ 0.20	$ 1.20	$ 0.20	$ 1.20	$ 5.00	$ 3.80
Dividends Paid	$ 88	$ 87	$ 87	$ 87	$ 942	$ 361	$ 73	$ 73	$ 653	$ 60	$ 367	$ 64	$ 349	$ 1,449	$ 1,144	$ 390
Common Stock, Dividends, Per Share, Declared													$ 1.20	$ 5.00	$ 3.80	$ 0.34	$ 0.30
Special Dividends Per Share Declared																$ 1