Segment Information Schedule of Revenue by Market (Details) - USD ($) $ in Millions	3 Months Ended							6 Months Ended	12 Months Ended
	Jan. 28, 2018	Oct. 29, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jul. 30, 2017	Jan. 28, 2018	Jan. 29, 2017	Jan. 31, 2016
Revenue by Markets
Revenue	$ 2,911	$ 2,636	$ 1,937	$ 2,173	$ 2,004	$ 1,428	$ 1,305	$ 2,230	$ 9,714	$ 6,910	$ 5,010
Gaming
Revenue by Markets
Revenue									5,513	4,060	2,818
Professional Visualization
Revenue by Markets
Revenue									934	835	750
Datacenter
Revenue by Markets
Revenue									1,932	830	339
Automotive
Revenue by Markets
Revenue									558	487	320
OEM and IP
Revenue by Markets
Revenue									$ 777	$ 698	$ 783