CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions		3 Months Ended		9 Months Ended
		Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Sales		$ 1,886	$ 1,794	$ 5,653	$ 5,405
Cost of sales		1,246	1,187	3,730	3,575
Selling, general and administrative expenses		366	352	1,077	1,028
Depreciation and amortization		40	38	118	109
Impairment and litigation charges		6	100	6	100
Interest expense, net		1	1	2	3
Other income	[1]		(1)	(3)	(2)
Costs and expenses, total		1,659	1,677	4,930	4,813
Income before income taxes		227	117	723	592
Income tax expense		70	37	248	209
Net income		$ 157	$ 80	$ 475	$ 383
Basic earnings per share		$ 1.18	$ 0.57	$ 3.53	$ 2.74
Weighted-average shares outstanding		132.9	139.3	134.6	139.6
Diluted earnings per share		$ 1.17	$ 0.57	$ 3.50	$ 2.71
Weighted-average shares outstanding, assuming dilution		134.0	140.9	135.7	141.4

[1] Other income includes non-operating items, such as lease termination gains, royalty income, insurance recoveries, and the changes in fair value, premiums paid, and realized gains associated with foreign currency option contracts.