Accelerated Share Repurchase Agreements (Narrative) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended						1 Months Ended	12 Months Ended
	Feb. 02, 2014		Feb. 03, 2013		Jan. 29, 2012		Mar. 27, 2014 2014 Accelerated Share Repurchase Agreement [Member] Subsequent Event [Member]	Feb. 02, 2014 2013 Accelerated Share Repurchase Agreements [Member]	Feb. 03, 2013 2012 Accelerated Share Repurchase Agreements [Member]	Jan. 29, 2012 2011 Accelerated Share Repurchase Agreements [Member]
Accelerated Share Repurchases [Line Items]
Cash paid for repurchase of common stock	$ 8,546	[1]	$ 3,984	[1]	$ 3,470	[1]	$ 950	$ 6,200	$ 3,050	$ 1,000
Number of shares of common stock repurchased pursuant to accelerated share repurchase agreement							10	81	58	27
Treasury Stock, Value	$ 19,194		$ 10,694					$ 6,200	$ 3,050	$ 1,000

[1] Fiscal years ended February 2, 2014 and January 29, 2012 include 52 weeks. Fiscal year ended February 3, 2013 includes 53 weeks.