Stockholders' Equity (Narrative) (Details) - USD ($) $ in Millions	Mar. 31, 2025	Dec. 31, 2013
Equity [Abstract]
Stock repurchase program, authorized amount (up to)		$ 8,100
Remaining authorized repurchase amount	$ 757

Amount 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:	srt_StockRepurchaseProgramAuthorizedAmount1
Namespace Prefix:	srt_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant