Stock-Based Compensation (Subsequent Events) (Details) - Subsequent Event [Member] - USD ($) $ / shares in Units, $ in Billions		24 Months Ended
Nov. 04, 2020	Nov. 04, 2022
Subsequent Event [Line Items]
Stock Repurchase Program Expiration Date		Nov. 04, 2022
Common Stock, Dividends, Per Share, Declared	$ 0.17
Stock Repurchase Program, Authorized Amount	$ 2.6

Aggregate dividends declared during the period for each share of common stock outstanding.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration