Income Taxes (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Operating Loss Carryforwards [Line Items]
Income before income taxes, foreign		$ 134	$ 83	$ 62
Foreign earnings repatriated	$ 203
Undistributed earnings of foreign subsidiaries amount	737	737
Federal Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	475	475
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	621	621
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 3	$ 3