Segment Reporting (Summary Of Net Sales Within Reportable Segments) (Details) - USD ($) $ in Millions		3 Months Ended		9 Months Ended
		Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Segment Reporting Information [Line Items]
Net sales		$ 3,541	$ 3,472	$ 10,537	$ 10,255
Nordstrom full-line stores - U.S. [Member]
Segment Reporting Information [Line Items]
Net sales	[1]	1,488	1,568	4,858	5,128
Nordstrom.com [Member]
Segment Reporting Information [Line Items]
Net sales		534	497	1,901	1,675
Full-price [Member]
Segment Reporting Information [Line Items]
Net sales		2,022	2,065	6,759	6,803
Nordstrom Rack [Member]
Segment Reporting Information [Line Items]
Net sales		966	958	2,910	2,777
Nordstromrack.com/HauteLook [Member]
Segment Reporting Information [Line Items]
Net sales		212	159	609	482
Off-price [Member]
Segment Reporting Information [Line Items]
Net sales		1,178	1,117	3,519	3,259
Other retail [Member]
Segment Reporting Information [Line Items]
Net sales	[2]	151	135	420	384
Retail segment [Member]
Segment Reporting Information [Line Items]
Net sales		3,351	3,317	10,698	10,446
Corporate/Other [Member]
Segment Reporting Information [Line Items]
Net sales		$ 190	$ 155	$ (161)	$ (191)

[1] Nordstrom full-line stores - U.S. includes Nordstrom Local.

[2] Other retail includes Nordstrom Canada full-line stores, Trunk Club and Jeffrey boutiques.