Goodwill (Details) - USD ($) $ in Millions	Jan. 29, 2017	Jan. 31, 2016
Goodwill [Line Items]
Goodwill	$ 618	$ 618
Icera
Goodwill [Line Items]
Goodwill	271	271
Portal Player
Goodwill [Line Items]
Goodwill	105	105
Mental Images
Goodwill [Line Items]
Goodwill	59	59
3dfx
Goodwill [Line Items]
Goodwill	50	50
MediaQ
Goodwill [Line Items]
Goodwill	35	35
ULi
Goodwill [Line Items]
Goodwill	31	31
Hybrid Graphics
Goodwill [Line Items]
Goodwill	28	28
Ageia
Goodwill [Line Items]
Goodwill	19	19
Portland Group, Inc.
Goodwill [Line Items]
Goodwill	2	2
Other
Goodwill [Line Items]
Goodwill	18	18
GPU
Goodwill [Line Items]
Goodwill	210	210
Tegra processor
Goodwill [Line Items]
Goodwill	$ 408	$ 408