Investments (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	May 04, 2013 investments	Feb. 02, 2013	May 05, 2012
Schedule of Investments
Total equity and other investments	$ 61	$ 86	$ 128
Securities redeemed	0
Investments in portfolio (investments)	6
Debt Securities (Auction-Rate Securities) [Member]
Schedule of Investments
Total equity and other investments	21	21	66
Investments, Fair Value Disclosure	21
Auction Rate Securities, Par Value	23
Pre-tax unrealized gain (loss) in accumulated other comprehensive income	(2)
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	(1)	(1)	(3)
Marketable Equity Securities [Member]
Schedule of Investments
Total equity and other investments	3	27	3
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax	3	3	0
Marketable Equity Securities, Other [Member]
Schedule of Investments
Total equity and other investments	3	27	3
Other Investments [Member]
Schedule of Investments
Total equity and other investments	$ 37	$ 38	$ 59