Segment Information (Sales and Division Operating Results for Reportable Segments) (Details) - USD ($) $ in Millions		3 Months Ended		6 Months Ended
		Jul. 30, 2016	Aug. 01, 2015	Jul. 30, 2016	Aug. 01, 2015
Segment Reporting Information [Line Items]
Sales		$ 1,780	$ 1,695	$ 3,767	$ 3,611
Division profit		215	203	530	510
Less: Corporate expense		17	17	36	34
Operating profit		198	186	494	476
Interest expense, net		1	1	1	2
Other income	[1]	1		3	1
Income before income taxes		198	185	496	475
Athletic Stores [Member]
Segment Reporting Information [Line Items]
Sales		1,576	1,503	3,311	3,184
Operating results before restructuring income		193	176	470	443
Direct-to-Customers [Member]
Segment Reporting Information [Line Items]
Sales		204	192	456	427
Operating results before restructuring income		$ 22	$ 27	$ 60	$ 67

[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.