Acquisitions And Divestitures Acquisition of Falmat (Details) - USD ($) $ in Millions	May 14, 2019	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Goodwill		$ 2,511	$ 2,580	$ 2,407
Falmat [Member]
Business Acquisition [Line Items]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Business Combination, Consideration Transferred	$ 25
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill	12
Other assets purchased and liabilities assumed, net	5
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net	17
Goodwill	8
Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net	$ 25
Customer Relationships [Member] | Falmat [Member]
Business Acquisition [Line Items]
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	9 years