Share Repurchase - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions		3 Months Ended					6 Months Ended
	May 05, 2018	May 04, 2019	Feb. 02, 2019	Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Aug. 04, 2018
Equity, Class of Treasury Stock [Line Items]
Stock repurchased and retired		$ 277,000,000	$ 167,000,000	$ 2,000,000	$ 7,000,000	$ 494,000,000
Share Repurchase Program 2017
Equity, Class of Treasury Stock [Line Items]
Authorized shares for accelerated stock repurchase, low end	$ 225,000,000	275,000,000				225,000,000
Authorized shares for accelerated stock repurchase, high end	425,000,000	400,000,000				425,000,000
Settlement of purchase agreement	425,000,000	400,000,000			$ 200,000,000	$ 425,000,000	$ 200,000,000
Authorized repurchase amount		$ 5,000,000,000
Repurchase of stock (in shares)		3.0			0.2	2.9	3.1
Stock repurchased and retired	$ 225,000,000	$ 247,000,000				$ 200,000,000
Shares receivable		$ 153,000,000
Prepaid repurchase amount							$ 225,000,000
Price paid per share (in dollars per share)							$ 73.06