Debt (Details) (USD $) In Millions, unless otherwise specified	Nov. 02, 2013	Feb. 02, 2013		Nov. 03, 2012
Short-term Debt
Short-term debt	$ 0	$ 596		$ 310
New U.S. Revolving Credit Facility - 364-Day [Member] [Domain]
Short-term Debt
Short-term debt	0
U.S. Revolving Credit facility - 364-Day [Member]
Short-term Debt
Short-term debt		0		0
U.S. Revolving Credit Facility - 5-Year [Member]
Short-term Debt
Short-term debt	0	0		0
Europe Revolving Credit Facility [Member]
Short-term Debt
Short-term debt	0	596	[1]	310	[1]
Canada Revolving Demand Facility [Member]
Short-term Debt
Short-term debt	0	0		0
China Revolving Demand Facilities [Member]
Short-term Debt
Short-term debt	$ 0	$ 0		$ 0

[1] Short-term debt associated with the Europe revolving credit facility is related to our Best Buy Europe operations, which we sold on June 26, 2013, as described in Note 2, Discontinued Operations.