Quarterly Results (Unaudited) (Detail) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended																12 Months Ended
	Jan. 31, 2015		Nov. 01, 2014		Aug. 02, 2014		May 03, 2014		Feb. 01, 2014		Nov. 02, 2013		Aug. 03, 2013		May 04, 2013		Jan. 31, 2015		Feb. 01, 2014		Feb. 02, 2013
Quarterly Results Of Operations [Line Items]
Sales	$ 1,911		$ 1,731		$ 1,641		$ 1,868		$ 1,791		$ 1,622		$ 1,454		$ 1,638		$ 7,151		$ 6,505		$ 6,182
Gross margin	629	[1]	574	[1]	525	[1]	646	[1]	582	[1]	537	[1]	453	[1]	561	[1]	2,374	[1]	2,133	[1]
Operating profit	220	[2]	187	[2]	144	[2]	254	[2]	181	[2]	162	[2]	106	[2]	215	[2]	805	[2]	664	[2]	610
Net income	$ 146		$ 120		$ 92		$ 162		$ 121		$ 104		$ 66		$ 138		$ 520		$ 429		$ 397
Basic earnings per share:	$ 1.03		$ 0.84		$ 0.63		$ 1.12		$ 0.83		$ 0.70		$ 0.44		$ 0.92		$ 3.61		$ 2.89		$ 2.62
Diluted earnings per share:	$ 1.01		$ 0.82		$ 0.63		$ 1.10		$ 0.81		$ 0.70		$ 0.44		$ 0.90		$ 3.56		$ 2.85		$ 2.58

[1] Gross margin represents sales less cost of sales.

[2] Operating profit represents income before income taxes, interest expense, net, and non-operating income.