Shareholders' Equity (Details Textual) - USD ($) shares in Millions					3 Months Ended				9 Months Ended
	Nov. 02, 2018	Aug. 31, 2018	Aug. 03, 2018	May 31, 2018	Nov. 02, 2018		Nov. 03, 2017		Nov. 02, 2018		Nov. 03, 2017		Jan. 26, 2018
Share Repurchases
Share repurchases, value					$ 645,000,000	[1]	$ 527,000,000	[1]	$ 2,508,000,000	[2]	$ 3,041,000,000	[2]
Cash used to repurchase shares									$ 2,498,000,000		$ 3,054,000,000
Share repurchases, shares					5.9		6.8		26.2		38.0
Share Repurchase Program
Share Repurchases
Remaining share repurchases authorization, value	$ 4,500,000,000				$ 4,500,000,000				$ 4,500,000,000
Share repurchases, value					$ 620,000,000	[1]	$ 500,000,000	[1]	$ 2,470,000,000	[2]	$ 3,000,000,000	[2]
Share repurchases, shares					5.7		6.4		25.9		37.5
January 26, 2018 Share Repurchase Authorization
Share Repurchases
Share repurchases authorized, value													$ 5,000,000,000
May 2018 Accelerated Share Repurchase Agreement Purchases
Share Repurchases
Share repurchases, value				$ 550,000,000
Cash used to repurchase shares				$ 550,000,000
Share repurchases, shares			0.8	4.8
August 2018 Accelerated Share Repurchase Agreement Purchases
Share Repurchases
Share repurchases, value		$ 310,000,000
Cash used to repurchase shares		$ 310,000,000
Share repurchases, shares	0.3	2.5
Open market purchases
Share Repurchases
Share repurchases, value					$ 310,000,000				$ 1,600,000,000
Share repurchases, shares					2.9				17.5

[1] Reductions of $603 million and $495 million were recorded to retained earnings, after capital in excess of par value was depleted, for the three months ended November 2, 2018 and November 3, 2017, respectively.

[2] Reductions of $2.3 billion and $2.9 billion were recorded to retained earnings, after capital in excess of par value was depleted, for the nine months ended November 2, 2018 and November 3, 2017, respectively.