Stock-Based Compensation (Summary Of Stock Option Activity) (Details) (Stock option [Member], USD $) In Millions, except Per Share data, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Stock option [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, beginning of year, Shares	14.1
Outstanding, beginning of year, Weighted-average exercise price	$ 32
Granted, Shares	2.9
Granted, Weighted-average exercise price	$ 53	$ 45	$ 37
Exercised, Shares	(3.0)
Exercised, Weighted-average exercise price	$ 25
Cancelled, Shares	(0.5)
Cancelled, Weighted-average exercise price	$ 44
Outstanding, end of year, Shares	13.5	14.1
Outstanding, end of year, Weighted-average exercise price	$ 38	$ 32
Outstanding, end of year, Weighted-average remaining contractual life (years)	6 years
Outstanding, end of year, Aggregate intrinsic value	$ 237
Options exercisable at end of year, Shares	6.7
Options exercisable at end of year, Weighted-average exercise price	$ 33
Options exercisable at end of year, Weighted-average remaining contractual life (years)	5 years
Options exercisable at end of year, Aggregate intrinsic value	148
Options vested or expected to vest at end of year, Shares	12.6
Options vested or expected to vest at end of year, Weighted-average exercise price	$ 37
Options vested or expected to vest at end of year, Weighted-average remaining contractual life (years)	6 years
Options vested or expected to vest at end of year, Aggregate intrinsic value	$ 226