Share Repurchases - Additional Information (Details) - USD ($) $ in Millions	Oct. 28, 2017	Feb. 25, 2016
Disclosure Share Repurchases Additional Information [Abstract]
Stock Repurchase Program, Authorized Amount		$ 1,000
Share repurchases, remaining amount	$ 700
Stock Repurchase Program Amount Not Paid	$ 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