Income Taxes (Operating Loss Carryforwards, Tax Credit Carryforwards and Valuation Allowances) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Operating Loss Carryforwards [Line Items]
Valuation allowance	$ 49	$ 38
Domestic Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	4	4
State and Local Jurisdiction
Operating Loss Carryforwards [Line Items]
Operating loss and tax credit carryforward	40	128
Foreign Tax Authority
Operating Loss Carryforwards [Line Items]
Operating loss carryforwards	$ 20	$ 9