Revenue (Disaggregated Net Sales) (Details) $ in Millions		3 Months Ended
		May 05, 2018 USD ($)		Apr. 29, 2017 USD ($)
Disaggregation of Revenue [Line Items]
Total net sales		$ 3,469		$ 3,279
Net sales basis impact of differences affecting comparability		250
Full-price [Member]
Disaggregation of Revenue [Line Items]
Total net sales	[2]	$ 2,240	[1]	2,156
Net sales basis impact of differences affecting comparability		200
Off-price [Member]
Disaggregation of Revenue [Line Items]
Total net sales	[2]	$ 1,229	[1]	1,152
Net sales basis impact of differences affecting comparability		100
Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	[2]	$ 0	[1]	$ (29)

[1] Total net sales in the first quarter of 2018 increased approximately 250 basis points due to the shift of a Nordstrom Rewards loyalty event into the first quarter of 2018 relative to the second quarter of 2017 and the adoption of the new Revenue Guidance. Full-price and Off-price net sales increased approximately 200 basis points and 100 basis points for the same impacts as total company, in addition to allocating sales return reserve and loyalty related adjustments to the Full-price and Off-price businesses.

[2] We present our sales for 2018 and 2017 to align with how management views our results internally, including presenting 2018 under the new Revenue Guidance and allocating our sales return reserve to our Full-price and Off-price businesses. For 2017, Other primarily included unallocated sales return reserve, in-transit reserve and loyalty related adjustments necessary to reconcile sales by business to total net sales.