Stockholders' Equity Share Repurchase Programs (Details) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($) $ / shares shares
Equity [Abstract]
Share repurchase program, open market \| shares	21
Share repurchase program, open market, average price per share \| $ / shares	$ 61.52
Share repurchase program, remaining authorized repurchase amount \| $	$ 500

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