Fair Value of Financial Instruments (Details) (USD $)	Aug. 02, 2014	Feb. 01, 2014
Level I [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	$ 612	$ 509
Long-term investments	2,571	2,107
Total investments	3,183	2,616
Level II [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Total investments	0	0
Level III [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short-term investments	0	0
Long-term investments	0	0
Total investments	$ 0	$ 0