Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended
	Nov. 02, 2013	Nov. 02, 2013 investments	Feb. 02, 2013	Nov. 03, 2012
Schedule of Investments
Total equity and other investments	$ 41	$ 41	$ 86	$ 91
Number of investments in portfolio		3
Securities redeemed	7
Debt Securities (Auction-Rate Securities) [Member]
Schedule of Investments
Total equity and other investments	9	9	21	21
Auction rate securities, par value	10	10
Investments, Fair Value Disclosure	9	9
Marketable Equity Securities [Member]
Schedule of Investments
Total equity and other investments	10	10	27	3
Other Investments [Member]
Schedule of Investments
Total equity and other investments	$ 22	$ 22	$ 38	$ 67