Stockholders' Equity (Narrative) (Details) - USD ($) $ in Billions	Jul. 31, 2026	Feb. 28, 2019
Equity [Abstract]
Share repurchase, authorized amount	$ 5.1	$ 1.0
Share repurchase, remaining authorized amount	$ 1.0

Amount remaining authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 505
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481520/505-30-50-4

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