Share Repurchases - Additional Information (Details) - USD ($) $ in Millions	Aug. 03, 2019	Feb. 26, 2019	Feb. 02, 2019	Aug. 04, 2018
Disclosure Share Repurchases Additional Information [Abstract]
Stock Repurchase Program, Authorized Amount		$ 1,000
Share repurchases, remaining amount	$ 900		$ 287
Stock Repurchase Program Amount Not Paid	$ 0		$ 0	$ 0

Amount remaining of a stock repurchase plan authorized.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant