Unaudited Quarterly Consolidated Financial Data (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Jan. 29, 2017	Oct. 30, 2016	Jul. 31, 2016	May 01, 2016	Jan. 31, 2016	Oct. 29, 2017	Oct. 30, 2016	Oct. 25, 2015
Unaudited Quarterly Consolidated Financial Data
Net sales	$ 3,969	$ 3,744	$ 3,546	$ 3,278	$ 3,297	$ 2,821	$ 2,450	$ 2,257	$ 14,537	$ 10,825	$ 9,659
Gross profit	1,787	1,700	1,600	1,445	1,399	1,192	1,004	916	6,532	4,511	3,952
Net income	$ 982	$ 925	$ 824	$ 703	$ 610	$ 505	$ 320	$ 286	$ 3,434	$ 1,721	$ 1,377
Diluted earnings per share (in dollars per share)	$ 0.91	$ 0.85	$ 0.76	$ 0.65	$ 0.56	$ 0.46	$ 0.29	$ 0.25	$ 3.17	$ 1.54	$ 1.12